./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS --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 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b --- 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-4e7fbc6 [2022-11-23 01:51:01,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:51:01,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:51:01,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:51:01,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:51:01,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:51:01,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:51:01,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:51:01,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:51:01,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:51:01,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:51:01,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:51:01,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:51:01,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:51:01,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:51:01,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:51:01,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:51:01,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:51:01,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:51:01,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:51:01,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:51:01,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:51:01,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:51:01,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:51:01,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:51:01,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:51:01,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:51:01,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:51:01,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:51:01,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:51:01,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:51:01,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:51:01,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:51:01,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:51:01,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:51:01,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:51:01,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:51:01,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:51:01,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:51:01,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:51:01,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:51:01,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 01:51:01,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:51:01,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:51:01,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:51:01,935 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:51:01,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:51:01,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:51:01,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:51:01,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:51:01,937 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:51:01,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:51:01,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:51:01,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:51:01,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:51:01,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:51:01,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:51:01,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:51:01,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:51:01,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:51:01,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:51:01,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:51:01,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:51:01,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:51:01,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:51:01,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:51:01,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:51:01,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:51:01,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:51:01,941 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:51:01,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:51:01,942 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:51:01,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:51:01,942 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b [2022-11-23 01:51:02,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:51:02,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:51:02,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:51:02,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:51:02,194 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:51:02,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-11-23 01:51:05,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:51:05,898 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:51:05,899 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-11-23 01:51:05,954 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/data/d73e258d2/816ead12b8574da88ab6bf40933752e9/FLAGa647bcce7 [2022-11-23 01:51:05,975 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/data/d73e258d2/816ead12b8574da88ab6bf40933752e9 [2022-11-23 01:51:05,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:51:05,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:51:05,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:51:05,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:51:05,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:51:05,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:05" (1/1) ... [2022-11-23 01:51:05,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@81a4d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:05, skipping insertion in model container [2022-11-23 01:51:05,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:05" (1/1) ... [2022-11-23 01:51:06,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:51:06,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:51:09,002 WARN L237 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_4f30bd3c-bd66-498f-b0be-80f827941f89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2022-11-23 01:51:09,009 WARN L237 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_4f30bd3c-bd66-498f-b0be-80f827941f89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2022-11-23 01:51:09,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:51:09,076 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:51:09,472 WARN L237 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_4f30bd3c-bd66-498f-b0be-80f827941f89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2022-11-23 01:51:09,474 WARN L237 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_4f30bd3c-bd66-498f-b0be-80f827941f89/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2022-11-23 01:51:09,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:51:09,652 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:51:09,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09 WrapperNode [2022-11-23 01:51:09,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:51:09,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:51:09,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:51:09,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:51:09,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:09,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:09,903 INFO L138 Inliner]: procedures = 379, calls = 2122, calls flagged for inlining = 146, calls inlined = 127, statements flattened = 4122 [2022-11-23 01:51:09,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:51:09,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:51:09,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:51:09,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:51:09,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:09,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:09,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:09,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:10,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:10,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:10,093 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:10,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:10,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:51:10,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:51:10,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:51:10,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:51:10,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (1/1) ... [2022-11-23 01:51:10,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:51:10,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:51:10,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:51:10,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:51:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-23 01:51:10,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-23 01:51:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-11-23 01:51:10,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-11-23 01:51:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 01:51:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 01:51:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 01:51:10,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 01:51:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 01:51:10,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 01:51:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-11-23 01:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-11-23 01:51:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-11-23 01:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-11-23 01:51:10,315 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-11-23 01:51:10,315 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-11-23 01:51:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 01:51:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 01:51:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 01:51:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 01:51:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-23 01:51:10,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-23 01:51:10,316 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-11-23 01:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-11-23 01:51:10,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 01:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 01:51:10,317 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-11-23 01:51:10,317 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-11-23 01:51:10,317 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2022-11-23 01:51:10,318 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2022-11-23 01:51:10,318 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-11-23 01:51:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-11-23 01:51:10,319 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-11-23 01:51:10,319 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-11-23 01:51:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 01:51:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 01:51:10,320 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-11-23 01:51:10,320 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-11-23 01:51:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-23 01:51:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-23 01:51:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-11-23 01:51:10,321 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-11-23 01:51:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 01:51:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 01:51:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:51:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 01:51:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 01:51:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 01:51:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-11-23 01:51:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-11-23 01:51:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-11-23 01:51:10,323 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-11-23 01:51:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-23 01:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-23 01:51:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 01:51:10,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 01:51:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-11-23 01:51:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-11-23 01:51:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:51:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 01:51:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-11-23 01:51:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-11-23 01:51:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-11-23 01:51:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-11-23 01:51:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-23 01:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-23 01:51:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 01:51:10,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 01:51:10,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-23 01:51:10,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-23 01:51:10,329 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-11-23 01:51:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-11-23 01:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 01:51:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 01:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 01:51:10,330 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 01:51:10,330 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 01:51:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 01:51:10,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 01:51:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 01:51:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 01:51:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 01:51:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-11-23 01:51:10,332 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-11-23 01:51:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-11-23 01:51:10,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-11-23 01:51:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 01:51:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 01:51:10,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 01:51:10,334 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-11-23 01:51:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-11-23 01:51:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-11-23 01:51:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-11-23 01:51:10,335 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-11-23 01:51:10,335 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-11-23 01:51:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 01:51:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 01:51:10,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 01:51:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-11-23 01:51:10,336 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-11-23 01:51:10,336 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 01:51:10,337 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 01:51:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-11-23 01:51:10,337 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-11-23 01:51:10,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 01:51:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 01:51:10,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 01:51:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 01:51:10,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 01:51:10,338 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 01:51:10,338 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 01:51:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 01:51:10,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 01:51:10,339 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-11-23 01:51:10,340 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-11-23 01:51:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 01:51:10,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 01:51:10,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 01:51:10,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 01:51:10,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 01:51:10,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 01:51:10,346 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-11-23 01:51:10,347 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-11-23 01:51:10,347 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-23 01:51:10,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-23 01:51:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:51:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-23 01:51:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-23 01:51:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-11-23 01:51:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-11-23 01:51:10,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-23 01:51:10,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-23 01:51:10,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 01:51:10,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 01:51:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-11-23 01:51:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-11-23 01:51:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-11-23 01:51:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-11-23 01:51:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-11-23 01:51:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-11-23 01:51:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 01:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-11-23 01:51:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-11-23 01:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-11-23 01:51:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-11-23 01:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:51:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 01:51:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 01:51:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 01:51:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 01:51:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 01:51:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 01:51:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 01:51:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 01:51:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 01:51:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-11-23 01:51:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-11-23 01:51:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-11-23 01:51:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-11-23 01:51:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-23 01:51:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-23 01:51:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-23 01:51:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-23 01:51:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-11-23 01:51:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-11-23 01:51:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 01:51:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 01:51:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-11-23 01:51:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-11-23 01:51:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-11-23 01:51:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-11-23 01:51:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 01:51:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 01:51:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 01:51:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 01:51:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-11-23 01:51:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-11-23 01:51:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-11-23 01:51:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-11-23 01:51:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-23 01:51:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-23 01:51:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 01:51:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 01:51:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-11-23 01:51:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-11-23 01:51:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-23 01:51:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-23 01:51:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:51:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-23 01:51:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-23 01:51:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-11-23 01:51:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-11-23 01:51:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 01:51:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 01:51:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-11-23 01:51:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-11-23 01:51:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:51:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:51:11,141 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:51:11,145 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:51:11,349 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 01:51:16,094 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:51:16,123 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:51:16,123 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 01:51:16,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:16 BoogieIcfgContainer [2022-11-23 01:51:16,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:51:16,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:51:16,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:51:16,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:51:16,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:51:05" (1/3) ... [2022-11-23 01:51:16,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e43e57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:16, skipping insertion in model container [2022-11-23 01:51:16,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:09" (2/3) ... [2022-11-23 01:51:16,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e43e57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:51:16, skipping insertion in model container [2022-11-23 01:51:16,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:51:16" (3/3) ... [2022-11-23 01:51:16,142 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-11-23 01:51:16,167 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:51:16,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 01:51:16,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:51:16,296 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;@61dd5d66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:51:16,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 01:51:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 1802 states, 1069 states have (on average 1.2497661365762396) internal successors, (1336), 1100 states have internal predecessors, (1336), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) [2022-11-23 01:51:16,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-23 01:51:16,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:16,361 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:16,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:51:16,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:16,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1903987913, now seen corresponding path program 1 times [2022-11-23 01:51:16,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:16,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694803354] [2022-11-23 01:51:16,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:16,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:51:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:51:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:51:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:51:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:51:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:51:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:51:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:51:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:51:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:51:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:51:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:51:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:51:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:51:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:51:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:51:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:51:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:51:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:51:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:51:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:51:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:51:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:51:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:51:18,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:18,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694803354] [2022-11-23 01:51:18,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694803354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:18,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:18,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 01:51:18,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421944686] [2022-11-23 01:51:18,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:18,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 01:51:18,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:18,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 01:51:18,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:51:18,283 INFO L87 Difference]: Start difference. First operand has 1802 states, 1069 states have (on average 1.2497661365762396) internal successors, (1336), 1100 states have internal predecessors, (1336), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 7 states, 6 states have (on average 18.166666666666668) internal successors, (109), 4 states have internal predecessors, (109), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:51:21,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:51:24,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:51:31,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:31,958 INFO L93 Difference]: Finished difference Result 3819 states and 5590 transitions. [2022-11-23 01:51:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:51:31,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.166666666666668) internal successors, (109), 4 states have internal predecessors, (109), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 301 [2022-11-23 01:51:31,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:31,998 INFO L225 Difference]: With dead ends: 3819 [2022-11-23 01:51:31,998 INFO L226 Difference]: Without dead ends: 1991 [2022-11-23 01:51:32,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-11-23 01:51:32,017 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 3966 mSDsluCounter, 2174 mSDsCounter, 0 mSdLazyCounter, 5109 mSolverCounterSat, 4286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4197 SdHoareTripleChecker+Valid, 3281 SdHoareTripleChecker+Invalid, 9395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4286 IncrementalHoareTripleChecker+Valid, 5109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:32,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4197 Valid, 3281 Invalid, 9395 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4286 Valid, 5109 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2022-11-23 01:51:32,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-11-23 01:51:32,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1745. [2022-11-23 01:51:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1040 states have (on average 1.2471153846153846) internal successors, (1297), 1069 states have internal predecessors, (1297), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2022-11-23 01:51:32,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2527 transitions. [2022-11-23 01:51:32,338 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2527 transitions. Word has length 301 [2022-11-23 01:51:32,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:32,343 INFO L495 AbstractCegarLoop]: Abstraction has 1745 states and 2527 transitions. [2022-11-23 01:51:32,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.166666666666668) internal successors, (109), 4 states have internal predecessors, (109), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:51:32,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2527 transitions. [2022-11-23 01:51:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-23 01:51:32,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:32,358 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:32,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 01:51:32,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:51:32,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:32,360 INFO L85 PathProgramCache]: Analyzing trace with hash 975159511, now seen corresponding path program 1 times [2022-11-23 01:51:32,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:32,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170216112] [2022-11-23 01:51:32,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:32,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:51:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:51:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:51:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:51:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:51:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:51:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:51:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:51:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:51:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:51:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:51:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:51:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:51:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:51:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:51:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:51:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:51:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:51:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:51:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:51:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:51:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:51:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:51:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:51:33,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:33,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170216112] [2022-11-23 01:51:33,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170216112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:33,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:33,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:51:33,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483132879] [2022-11-23 01:51:33,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:33,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:51:33,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:33,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:51:33,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:51:33,545 INFO L87 Difference]: Start difference. First operand 1745 states and 2527 transitions. Second operand has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:51:36,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:51:38,798 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 [] [2022-11-23 01:51:48,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:48,876 INFO L93 Difference]: Finished difference Result 3717 states and 5415 transitions. [2022-11-23 01:51:48,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:51:48,879 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 302 [2022-11-23 01:51:48,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:48,897 INFO L225 Difference]: With dead ends: 3717 [2022-11-23 01:51:48,897 INFO L226 Difference]: Without dead ends: 1991 [2022-11-23 01:51:48,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-23 01:51:48,910 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 5137 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 4994 mSolverCounterSat, 6012 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5137 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 11006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6012 IncrementalHoareTripleChecker+Valid, 4994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:48,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5137 Valid, 3121 Invalid, 11006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6012 Valid, 4994 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-11-23 01:51:48,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-11-23 01:51:49,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1745. [2022-11-23 01:51:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1040 states have (on average 1.2461538461538462) internal successors, (1296), 1069 states have internal predecessors, (1296), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2022-11-23 01:51:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2526 transitions. [2022-11-23 01:51:49,100 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2526 transitions. Word has length 302 [2022-11-23 01:51:49,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:49,102 INFO L495 AbstractCegarLoop]: Abstraction has 1745 states and 2526 transitions. [2022-11-23 01:51:49,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.714285714285714) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:51:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2526 transitions. [2022-11-23 01:51:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-23 01:51:49,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:49,112 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:51:49,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 01:51:49,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:51:49,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:49,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1934200571, now seen corresponding path program 1 times [2022-11-23 01:51:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:51:49,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672069150] [2022-11-23 01:51:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:51:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:51:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:51:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:51:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:51:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:51:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:51:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:51:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:51:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:51:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:51:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:51:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:51:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:51:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:51:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:51:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:51:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:51:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:51:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:51:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:51:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:51:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:51:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:51:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:51:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:51:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:51:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:51:50,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:51:50,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672069150] [2022-11-23 01:51:50,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672069150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:50,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:50,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:51:50,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40497274] [2022-11-23 01:51:50,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:50,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:51:50,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:51:50,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:51:50,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:51:50,379 INFO L87 Difference]: Start difference. First operand 1745 states and 2526 transitions. Second operand has 8 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:51:54,487 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 [] [2022-11-23 01:51:55,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:51:57,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:06,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:52:06,097 INFO L93 Difference]: Finished difference Result 3717 states and 5413 transitions. [2022-11-23 01:52:06,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:52:06,098 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 303 [2022-11-23 01:52:06,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:52:06,115 INFO L225 Difference]: With dead ends: 3717 [2022-11-23 01:52:06,115 INFO L226 Difference]: Without dead ends: 1991 [2022-11-23 01:52:06,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-23 01:52:06,130 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 5131 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 4992 mSolverCounterSat, 6012 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5131 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 11004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6012 IncrementalHoareTripleChecker+Valid, 4992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:52:06,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5131 Valid, 3121 Invalid, 11004 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6012 Valid, 4992 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2022-11-23 01:52:06,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-11-23 01:52:06,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1745. [2022-11-23 01:52:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1040 states have (on average 1.2451923076923077) internal successors, (1295), 1069 states have internal predecessors, (1295), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2022-11-23 01:52:06,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2525 transitions. [2022-11-23 01:52:06,337 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2525 transitions. Word has length 303 [2022-11-23 01:52:06,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:52:06,339 INFO L495 AbstractCegarLoop]: Abstraction has 1745 states and 2525 transitions. [2022-11-23 01:52:06,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.857142857142858) internal successors, (111), 5 states have internal predecessors, (111), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:52:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2525 transitions. [2022-11-23 01:52:06,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-23 01:52:06,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:52:06,349 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:52:06,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 01:52:06,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:52:06,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:52:06,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1815533293, now seen corresponding path program 1 times [2022-11-23 01:52:06,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:52:06,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644134111] [2022-11-23 01:52:06,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:52:06,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:52:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:52:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:52:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:52:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:52:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:52:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:52:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:52:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:52:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:52:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:52:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:52:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:52:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:52:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:52:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:52:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:52:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:52:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:52:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:52:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:52:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:52:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:52:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:52:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:52:07,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:52:07,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644134111] [2022-11-23 01:52:07,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644134111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:52:07,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:52:07,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:52:07,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805752818] [2022-11-23 01:52:07,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:52:07,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:52:07,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:52:07,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:52:07,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:52:07,470 INFO L87 Difference]: Start difference. First operand 1745 states and 2525 transitions. Second operand has 8 states, 7 states have (on average 16.0) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:52:11,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:12,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:13,977 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 [] [2022-11-23 01:52:23,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:52:23,046 INFO L93 Difference]: Finished difference Result 3717 states and 5411 transitions. [2022-11-23 01:52:23,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:52:23,047 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.0) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 304 [2022-11-23 01:52:23,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:52:23,065 INFO L225 Difference]: With dead ends: 3717 [2022-11-23 01:52:23,065 INFO L226 Difference]: Without dead ends: 1991 [2022-11-23 01:52:23,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-23 01:52:23,080 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 5125 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 4986 mSolverCounterSat, 6014 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5125 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 11000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6014 IncrementalHoareTripleChecker+Valid, 4986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-23 01:52:23,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5125 Valid, 3120 Invalid, 11000 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6014 Valid, 4986 Invalid, 0 Unknown, 0 Unchecked, 14.9s Time] [2022-11-23 01:52:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2022-11-23 01:52:23,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1745. [2022-11-23 01:52:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1040 states have (on average 1.2442307692307693) internal successors, (1294), 1069 states have internal predecessors, (1294), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2022-11-23 01:52:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2524 transitions. [2022-11-23 01:52:23,287 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2524 transitions. Word has length 304 [2022-11-23 01:52:23,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:52:23,288 INFO L495 AbstractCegarLoop]: Abstraction has 1745 states and 2524 transitions. [2022-11-23 01:52:23,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.0) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:52:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2524 transitions. [2022-11-23 01:52:23,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-23 01:52:23,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:52:23,297 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 01:52:23,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 01:52:23,298 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:52:23,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:52:23,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1943322521, now seen corresponding path program 1 times [2022-11-23 01:52:23,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:52:23,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544151472] [2022-11-23 01:52:23,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:52:23,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:52:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:52:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:52:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:52:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:52:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:52:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 01:52:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:52:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:52:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:52:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:52:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 01:52:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 01:52:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 01:52:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-23 01:52:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 01:52:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 01:52:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:52:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-23 01:52:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-23 01:52:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 01:52:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 01:52:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 01:52:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:23,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 01:52:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-23 01:52:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:52:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-23 01:52:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 01:52:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-11-23 01:52:24,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:52:24,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544151472] [2022-11-23 01:52:24,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544151472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:52:24,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:52:24,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:52:24,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086075077] [2022-11-23 01:52:24,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:52:24,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:52:24,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:52:24,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:52:24,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:52:24,091 INFO L87 Difference]: Start difference. First operand 1745 states and 2524 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-23 01:52:29,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:31,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:34,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:46,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:52:46,699 INFO L93 Difference]: Finished difference Result 5334 states and 7796 transitions. [2022-11-23 01:52:46,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 01:52:46,707 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 280 [2022-11-23 01:52:46,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:52:46,740 INFO L225 Difference]: With dead ends: 5334 [2022-11-23 01:52:46,741 INFO L226 Difference]: Without dead ends: 3608 [2022-11-23 01:52:46,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 01:52:46,756 INFO L413 NwaCegarLoop]: 1495 mSDtfsCounter, 3197 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 6572 mSolverCounterSat, 2070 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3802 SdHoareTripleChecker+Valid, 3950 SdHoareTripleChecker+Invalid, 8642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2070 IncrementalHoareTripleChecker+Valid, 6572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-11-23 01:52:46,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3802 Valid, 3950 Invalid, 8642 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2070 Valid, 6572 Invalid, 0 Unknown, 0 Unchecked, 21.6s Time] [2022-11-23 01:52:46,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2022-11-23 01:52:47,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 3482. [2022-11-23 01:52:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3482 states, 2074 states have (on average 1.2314368370298938) internal successors, (2554), 2132 states have internal predecessors, (2554), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1255), 1205 states have call predecessors, (1255), 1229 states have call successors, (1255) [2022-11-23 01:52:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 3482 states and 5038 transitions. [2022-11-23 01:52:47,293 INFO L78 Accepts]: Start accepts. Automaton has 3482 states and 5038 transitions. Word has length 280 [2022-11-23 01:52:47,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:52:47,294 INFO L495 AbstractCegarLoop]: Abstraction has 3482 states and 5038 transitions. [2022-11-23 01:52:47,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-23 01:52:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 5038 transitions. [2022-11-23 01:52:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-23 01:52:47,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:52:47,310 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 01:52:47,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 01:52:47,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:52:47,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:52:47,311 INFO L85 PathProgramCache]: Analyzing trace with hash -156415909, now seen corresponding path program 1 times [2022-11-23 01:52:47,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:52:47,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900818567] [2022-11-23 01:52:47,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:52:47,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:52:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:52:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:52:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:52:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:52:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:52:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 01:52:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:52:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:52:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:52:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:52:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 01:52:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 01:52:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 01:52:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-23 01:52:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 01:52:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 01:52:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:52:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-23 01:52:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-23 01:52:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 01:52:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 01:52:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 01:52:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 01:52:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-23 01:52:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:52:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:52:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:52:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-23 01:52:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:52:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-23 01:52:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-11-23 01:52:48,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:52:48,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900818567] [2022-11-23 01:52:48,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900818567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:52:48,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:52:48,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:52:48,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483926917] [2022-11-23 01:52:48,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:52:48,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:52:48,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:52:48,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:52:48,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:52:48,461 INFO L87 Difference]: Start difference. First operand 3482 states and 5038 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-23 01:52:51,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:52,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:52:58,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:04,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:04,943 INFO L93 Difference]: Finished difference Result 10104 states and 14635 transitions. [2022-11-23 01:53:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 01:53:04,943 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 280 [2022-11-23 01:53:04,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:04,995 INFO L225 Difference]: With dead ends: 10104 [2022-11-23 01:53:04,995 INFO L226 Difference]: Without dead ends: 6656 [2022-11-23 01:53:05,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 01:53:05,021 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 4175 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 5169 mSolverCounterSat, 3596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4672 SdHoareTripleChecker+Valid, 3134 SdHoareTripleChecker+Invalid, 8765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3596 IncrementalHoareTripleChecker+Valid, 5169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:05,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4672 Valid, 3134 Invalid, 8765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3596 Valid, 5169 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2022-11-23 01:53:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6656 states. [2022-11-23 01:53:05,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6422. [2022-11-23 01:53:05,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 3829 states have (on average 1.2340036563071297) internal successors, (4725), 3937 states have internal predecessors, (4725), 2248 states have call successors, (2248), 342 states have call predecessors, (2248), 344 states have return successors, (2309), 2202 states have call predecessors, (2309), 2248 states have call successors, (2309) [2022-11-23 01:53:05,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 9282 transitions. [2022-11-23 01:53:05,963 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 9282 transitions. Word has length 280 [2022-11-23 01:53:05,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:05,965 INFO L495 AbstractCegarLoop]: Abstraction has 6422 states and 9282 transitions. [2022-11-23 01:53:05,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-23 01:53:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 9282 transitions. [2022-11-23 01:53:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-11-23 01:53:05,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:05,982 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:05,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 01:53:05,982 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:53:05,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:05,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1645465473, now seen corresponding path program 1 times [2022-11-23 01:53:05,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:05,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786163229] [2022-11-23 01:53:05,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:05,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:53:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:53:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:53:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:53:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:53:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:53:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:53:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:53:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:53:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:53:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:53:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:53:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:53:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:53:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:53:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:53:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:53:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:53:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:53:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:53:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:53:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:53:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:53:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:53:06,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:06,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786163229] [2022-11-23 01:53:06,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786163229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:06,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:06,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 01:53:06,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904220735] [2022-11-23 01:53:06,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:06,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:53:06,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:06,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:53:06,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:53:06,651 INFO L87 Difference]: Start difference. First operand 6422 states and 9282 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-23 01:53:13,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:15,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:17,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:30,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:30,192 INFO L93 Difference]: Finished difference Result 10323 states and 14908 transitions. [2022-11-23 01:53:30,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 01:53:30,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 305 [2022-11-23 01:53:30,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:30,245 INFO L225 Difference]: With dead ends: 10323 [2022-11-23 01:53:30,246 INFO L226 Difference]: Without dead ends: 7126 [2022-11-23 01:53:30,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-23 01:53:30,268 INFO L413 NwaCegarLoop]: 1886 mSDtfsCounter, 4230 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 7584 mSolverCounterSat, 5670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4551 SdHoareTripleChecker+Valid, 5198 SdHoareTripleChecker+Invalid, 13254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5670 IncrementalHoareTripleChecker+Valid, 7584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:30,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4551 Valid, 5198 Invalid, 13254 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5670 Valid, 7584 Invalid, 0 Unknown, 0 Unchecked, 22.0s Time] [2022-11-23 01:53:30,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7126 states. [2022-11-23 01:53:31,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7126 to 6422. [2022-11-23 01:53:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 3829 states have (on average 1.2274745364324888) internal successors, (4700), 3937 states have internal predecessors, (4700), 2248 states have call successors, (2248), 342 states have call predecessors, (2248), 344 states have return successors, (2256), 2202 states have call predecessors, (2256), 2248 states have call successors, (2256) [2022-11-23 01:53:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 9204 transitions. [2022-11-23 01:53:31,347 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 9204 transitions. Word has length 305 [2022-11-23 01:53:31,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:31,347 INFO L495 AbstractCegarLoop]: Abstraction has 6422 states and 9204 transitions. [2022-11-23 01:53:31,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-11-23 01:53:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 9204 transitions. [2022-11-23 01:53:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-11-23 01:53:31,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:31,362 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:31,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 01:53:31,363 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:53:31,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:31,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1977668929, now seen corresponding path program 1 times [2022-11-23 01:53:31,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:31,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422295874] [2022-11-23 01:53:31,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:31,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:53:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:53:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:53:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:53:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:53:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:53:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:53:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:53:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:53:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:53:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:53:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:53:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:53:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:53:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:53:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:53:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:53:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:53:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:53:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:53:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:53:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:53:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:53:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:53:32,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:32,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422295874] [2022-11-23 01:53:32,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422295874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:32,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:32,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:53:32,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618100258] [2022-11-23 01:53:32,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:32,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:53:32,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:32,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:53:32,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:53:32,266 INFO L87 Difference]: Start difference. First operand 6422 states and 9204 transitions. Second operand has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:53:36,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:37,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:47,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:47,087 INFO L93 Difference]: Finished difference Result 13512 states and 19464 transitions. [2022-11-23 01:53:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:53:47,091 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 305 [2022-11-23 01:53:47,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:47,145 INFO L225 Difference]: With dead ends: 13512 [2022-11-23 01:53:47,145 INFO L226 Difference]: Without dead ends: 7124 [2022-11-23 01:53:47,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-23 01:53:47,186 INFO L413 NwaCegarLoop]: 1067 mSDtfsCounter, 5113 mSDsluCounter, 2072 mSDsCounter, 0 mSdLazyCounter, 5001 mSolverCounterSat, 5982 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5113 SdHoareTripleChecker+Valid, 3139 SdHoareTripleChecker+Invalid, 10983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5982 IncrementalHoareTripleChecker+Valid, 5001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:47,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5113 Valid, 3139 Invalid, 10983 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5982 Valid, 5001 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2022-11-23 01:53:47,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7124 states. [2022-11-23 01:53:48,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7124 to 6422. [2022-11-23 01:53:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 3829 states have (on average 1.2264298772525464) internal successors, (4696), 3937 states have internal predecessors, (4696), 2248 states have call successors, (2248), 342 states have call predecessors, (2248), 344 states have return successors, (2256), 2202 states have call predecessors, (2256), 2248 states have call successors, (2256) [2022-11-23 01:53:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 9200 transitions. [2022-11-23 01:53:48,265 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 9200 transitions. Word has length 305 [2022-11-23 01:53:48,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:48,266 INFO L495 AbstractCegarLoop]: Abstraction has 6422 states and 9200 transitions. [2022-11-23 01:53:48,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.142857142857142) internal successors, (113), 5 states have internal predecessors, (113), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:53:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 9200 transitions. [2022-11-23 01:53:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-23 01:53:48,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:48,280 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:48,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 01:53:48,281 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:53:48,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:48,281 INFO L85 PathProgramCache]: Analyzing trace with hash -577629873, now seen corresponding path program 1 times [2022-11-23 01:53:48,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:48,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162309994] [2022-11-23 01:53:48,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:48,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:53:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:53:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:53:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:53:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:53:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:53:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:53:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:53:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:53:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:53:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:53:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:53:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:53:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:53:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:53:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:53:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:53:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:53:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:53:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:53:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:53:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:53:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:53:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:53:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:53:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:53:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:49,160 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:53:49,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:49,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162309994] [2022-11-23 01:53:49,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162309994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:49,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:49,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:53:49,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411678494] [2022-11-23 01:53:49,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:49,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:53:49,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:49,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:53:49,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:53:49,163 INFO L87 Difference]: Start difference. First operand 6422 states and 9200 transitions. Second operand has 8 states, 7 states have (on average 16.285714285714285) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:53:53,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:53:55,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:04,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:04,724 INFO L93 Difference]: Finished difference Result 13512 states and 19456 transitions. [2022-11-23 01:54:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:54:04,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.285714285714285) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 306 [2022-11-23 01:54:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:04,773 INFO L225 Difference]: With dead ends: 13512 [2022-11-23 01:54:04,773 INFO L226 Difference]: Without dead ends: 7124 [2022-11-23 01:54:04,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-23 01:54:04,806 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 5107 mSDsluCounter, 2072 mSDsCounter, 0 mSdLazyCounter, 4991 mSolverCounterSat, 5986 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5107 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 10977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5986 IncrementalHoareTripleChecker+Valid, 4991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:04,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5107 Valid, 3137 Invalid, 10977 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5986 Valid, 4991 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2022-11-23 01:54:04,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7124 states. [2022-11-23 01:54:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7124 to 6422. [2022-11-23 01:54:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 3829 states have (on average 1.225385218072604) internal successors, (4692), 3937 states have internal predecessors, (4692), 2248 states have call successors, (2248), 342 states have call predecessors, (2248), 344 states have return successors, (2256), 2202 states have call predecessors, (2256), 2248 states have call successors, (2256) [2022-11-23 01:54:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 9196 transitions. [2022-11-23 01:54:05,969 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 9196 transitions. Word has length 306 [2022-11-23 01:54:05,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:05,970 INFO L495 AbstractCegarLoop]: Abstraction has 6422 states and 9196 transitions. [2022-11-23 01:54:05,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.285714285714285) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:54:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 9196 transitions. [2022-11-23 01:54:05,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-23 01:54:05,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:05,983 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:05,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 01:54:05,983 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:54:05,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:05,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1927002493, now seen corresponding path program 1 times [2022-11-23 01:54:05,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:54:05,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874619771] [2022-11-23 01:54:05,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:05,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:54:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:54:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:54:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:54:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:54:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:54:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:54:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:54:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:54:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:54:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:54:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:54:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:54:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:54:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:54:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:54:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:54:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:54:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:54:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:54:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:54:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:54:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:54:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:54:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:54:06,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:54:06,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874619771] [2022-11-23 01:54:06,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874619771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:06,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:06,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:54:06,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092265607] [2022-11-23 01:54:06,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:06,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:54:06,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:54:06,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:54:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:54:06,976 INFO L87 Difference]: Start difference. First operand 6422 states and 9196 transitions. Second operand has 8 states, 7 states have (on average 16.428571428571427) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:54:10,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:11,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:14,349 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 [] [2022-11-23 01:54:22,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:22,965 INFO L93 Difference]: Finished difference Result 13512 states and 19448 transitions. [2022-11-23 01:54:22,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:54:22,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.428571428571427) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 307 [2022-11-23 01:54:22,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:23,019 INFO L225 Difference]: With dead ends: 13512 [2022-11-23 01:54:23,019 INFO L226 Difference]: Without dead ends: 7124 [2022-11-23 01:54:23,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-23 01:54:23,055 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 5105 mSDsluCounter, 2066 mSDsCounter, 0 mSdLazyCounter, 4988 mSolverCounterSat, 6004 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5105 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 10993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6004 IncrementalHoareTripleChecker+Valid, 4988 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:23,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5105 Valid, 3126 Invalid, 10993 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6004 Valid, 4988 Invalid, 1 Unknown, 0 Unchecked, 14.4s Time] [2022-11-23 01:54:23,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7124 states. [2022-11-23 01:54:23,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7124 to 6422. [2022-11-23 01:54:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 3829 states have (on average 1.2243405588926612) internal successors, (4688), 3937 states have internal predecessors, (4688), 2248 states have call successors, (2248), 342 states have call predecessors, (2248), 344 states have return successors, (2256), 2202 states have call predecessors, (2256), 2248 states have call successors, (2256) [2022-11-23 01:54:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 9192 transitions. [2022-11-23 01:54:23,970 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 9192 transitions. Word has length 307 [2022-11-23 01:54:23,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:23,971 INFO L495 AbstractCegarLoop]: Abstraction has 6422 states and 9192 transitions. [2022-11-23 01:54:23,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.428571428571427) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:54:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 9192 transitions. [2022-11-23 01:54:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-11-23 01:54:23,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:23,982 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:23,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 01:54:23,983 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:54:23,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:23,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1919256181, now seen corresponding path program 1 times [2022-11-23 01:54:23,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:54:23,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675234345] [2022-11-23 01:54:23,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:23,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:54:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:54:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:54:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:54:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:54:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:54:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:54:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:54:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:54:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:54:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:54:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:54:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:54:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:54:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:54:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:54:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:54:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:54:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:54:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:54:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:54:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:54:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:54:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:54:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:54:24,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:54:24,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675234345] [2022-11-23 01:54:24,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675234345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:24,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:24,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:54:24,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007971978] [2022-11-23 01:54:24,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:24,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:54:24,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:54:24,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:54:24,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:54:24,791 INFO L87 Difference]: Start difference. First operand 6422 states and 9192 transitions. Second operand has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:54:28,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:30,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:39,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:39,130 INFO L93 Difference]: Finished difference Result 13512 states and 19440 transitions. [2022-11-23 01:54:39,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:54:39,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 308 [2022-11-23 01:54:39,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:39,174 INFO L225 Difference]: With dead ends: 13512 [2022-11-23 01:54:39,174 INFO L226 Difference]: Without dead ends: 7124 [2022-11-23 01:54:39,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-23 01:54:39,205 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 5097 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 4994 mSolverCounterSat, 5987 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5097 SdHoareTripleChecker+Valid, 3134 SdHoareTripleChecker+Invalid, 10981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5987 IncrementalHoareTripleChecker+Valid, 4994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:39,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5097 Valid, 3134 Invalid, 10981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5987 Valid, 4994 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2022-11-23 01:54:39,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7124 states. [2022-11-23 01:54:40,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7124 to 6422. [2022-11-23 01:54:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 3829 states have (on average 1.2232958997127188) internal successors, (4684), 3937 states have internal predecessors, (4684), 2248 states have call successors, (2248), 342 states have call predecessors, (2248), 344 states have return successors, (2256), 2202 states have call predecessors, (2256), 2248 states have call successors, (2256) [2022-11-23 01:54:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 9188 transitions. [2022-11-23 01:54:40,300 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 9188 transitions. Word has length 308 [2022-11-23 01:54:40,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:40,301 INFO L495 AbstractCegarLoop]: Abstraction has 6422 states and 9188 transitions. [2022-11-23 01:54:40,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:54:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 9188 transitions. [2022-11-23 01:54:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-11-23 01:54:40,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:40,312 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:40,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 01:54:40,312 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:54:40,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:40,313 INFO L85 PathProgramCache]: Analyzing trace with hash -779674183, now seen corresponding path program 1 times [2022-11-23 01:54:40,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:54:40,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988912806] [2022-11-23 01:54:40,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:40,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:54:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:54:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:54:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:54:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:54:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:54:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:54:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:54:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:54:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:54:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:54:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:54:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-23 01:54:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 01:54:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-23 01:54:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-23 01:54:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:54:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-23 01:54:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-23 01:54:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:54:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:54:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-23 01:54:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-23 01:54:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-23 01:54:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:54:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:54:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-23 01:54:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:42,495 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-11-23 01:54:42,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:54:42,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988912806] [2022-11-23 01:54:42,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988912806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:42,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:42,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:54:42,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701786895] [2022-11-23 01:54:42,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:42,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:54:42,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:54:42,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:54:42,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:54:42,498 INFO L87 Difference]: Start difference. First operand 6422 states and 9188 transitions. Second operand has 8 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 4 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:54:46,629 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 [] [2022-11-23 01:54:48,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:52,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:00,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:55:00,218 INFO L93 Difference]: Finished difference Result 13480 states and 19376 transitions. [2022-11-23 01:55:00,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 01:55:00,219 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 4 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 309 [2022-11-23 01:55:00,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:55:00,273 INFO L225 Difference]: With dead ends: 13480 [2022-11-23 01:55:00,273 INFO L226 Difference]: Without dead ends: 7092 [2022-11-23 01:55:00,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-23 01:55:00,312 INFO L413 NwaCegarLoop]: 1067 mSDtfsCounter, 2289 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 8289 mSolverCounterSat, 3087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 5065 SdHoareTripleChecker+Invalid, 11376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3087 IncrementalHoareTripleChecker+Valid, 8289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-23 01:55:00,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 5065 Invalid, 11376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3087 Valid, 8289 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2022-11-23 01:55:00,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7092 states. [2022-11-23 01:55:01,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7092 to 6390. [2022-11-23 01:55:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6390 states, 3799 states have (on average 1.2208475914714398) internal successors, (4638), 3907 states have internal predecessors, (4638), 2246 states have call successors, (2246), 342 states have call predecessors, (2246), 344 states have return successors, (2254), 2200 states have call predecessors, (2254), 2246 states have call successors, (2254) [2022-11-23 01:55:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6390 states to 6390 states and 9138 transitions. [2022-11-23 01:55:01,456 INFO L78 Accepts]: Start accepts. Automaton has 6390 states and 9138 transitions. Word has length 309 [2022-11-23 01:55:01,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:55:01,456 INFO L495 AbstractCegarLoop]: Abstraction has 6390 states and 9138 transitions. [2022-11-23 01:55:01,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 4 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-23 01:55:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 6390 states and 9138 transitions. [2022-11-23 01:55:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-23 01:55:01,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:55:01,467 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 01:55:01,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 01:55:01,468 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:55:01,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:55:01,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2106303653, now seen corresponding path program 1 times [2022-11-23 01:55:01,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:55:01,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595577891] [2022-11-23 01:55:01,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:01,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:55:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:55:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:55:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:55:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:55:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:55:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 01:55:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:55:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:55:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:55:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:55:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 01:55:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 01:55:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 01:55:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-23 01:55:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 01:55:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 01:55:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:55:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-23 01:55:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-23 01:55:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 01:55:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 01:55:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 01:55:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 01:55:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-23 01:55:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:55:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-23 01:55:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-23 01:55:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-23 01:55:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:02,574 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-11-23 01:55:02,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:55:02,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595577891] [2022-11-23 01:55:02,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595577891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:55:02,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:55:02,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:55:02,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992799071] [2022-11-23 01:55:02,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:55:02,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:55:02,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:55:02,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:55:02,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:55:02,577 INFO L87 Difference]: Start difference. First operand 6390 states and 9138 transitions. Second operand has 8 states, 8 states have (on average 15.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:55:07,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:09,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:11,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:29,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:32,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:55:32,010 INFO L93 Difference]: Finished difference Result 16730 states and 23776 transitions. [2022-11-23 01:55:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 01:55:32,011 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 292 [2022-11-23 01:55:32,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:55:32,083 INFO L225 Difference]: With dead ends: 16730 [2022-11-23 01:55:32,083 INFO L226 Difference]: Without dead ends: 13264 [2022-11-23 01:55:32,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-11-23 01:55:32,102 INFO L413 NwaCegarLoop]: 1845 mSDtfsCounter, 8992 mSDsluCounter, 2796 mSDsCounter, 0 mSdLazyCounter, 9711 mSolverCounterSat, 9649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9372 SdHoareTripleChecker+Valid, 4641 SdHoareTripleChecker+Invalid, 19360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9649 IncrementalHoareTripleChecker+Valid, 9711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-11-23 01:55:32,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9372 Valid, 4641 Invalid, 19360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9649 Valid, 9711 Invalid, 0 Unknown, 0 Unchecked, 26.2s Time] [2022-11-23 01:55:32,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13264 states. [2022-11-23 01:55:33,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13264 to 12762. [2022-11-23 01:55:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12762 states, 7563 states have (on average 1.2094406981356605) internal successors, (9147), 7805 states have internal predecessors, (9147), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-11-23 01:55:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12762 states to 12762 states and 18111 transitions. [2022-11-23 01:55:33,987 INFO L78 Accepts]: Start accepts. Automaton has 12762 states and 18111 transitions. Word has length 292 [2022-11-23 01:55:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:55:33,988 INFO L495 AbstractCegarLoop]: Abstraction has 12762 states and 18111 transitions. [2022-11-23 01:55:33,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:55:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 12762 states and 18111 transitions. [2022-11-23 01:55:33,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-23 01:55:33,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:55:34,000 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 01:55:34,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 01:55:34,000 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:55:34,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:55:34,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2126305381, now seen corresponding path program 1 times [2022-11-23 01:55:34,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:55:34,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70916094] [2022-11-23 01:55:34,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:34,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:55:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:55:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:55:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:55:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:55:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:55:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 01:55:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:55:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:55:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:55:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:55:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 01:55:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 01:55:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 01:55:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-23 01:55:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 01:55:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 01:55:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:55:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-23 01:55:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-23 01:55:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 01:55:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 01:55:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 01:55:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 01:55:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-23 01:55:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:55:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-23 01:55:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:34,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:35,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-23 01:55:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:35,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-23 01:55:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-11-23 01:55:35,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:55:35,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70916094] [2022-11-23 01:55:35,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70916094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:55:35,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:55:35,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:55:35,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425888987] [2022-11-23 01:55:35,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:55:35,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:55:35,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:55:35,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:55:35,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:55:35,086 INFO L87 Difference]: Start difference. First operand 12762 states and 18111 transitions. Second operand has 8 states, 8 states have (on average 15.125) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:55:38,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:40,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:41,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:42,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:55:52,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:55:52,641 INFO L93 Difference]: Finished difference Result 21780 states and 31070 transitions. [2022-11-23 01:55:52,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:55:52,642 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 293 [2022-11-23 01:55:52,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:55:52,697 INFO L225 Difference]: With dead ends: 21780 [2022-11-23 01:55:52,697 INFO L226 Difference]: Without dead ends: 13254 [2022-11-23 01:55:52,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-11-23 01:55:52,730 INFO L413 NwaCegarLoop]: 1101 mSDtfsCounter, 3349 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 5013 mSolverCounterSat, 3487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3349 SdHoareTripleChecker+Valid, 3165 SdHoareTripleChecker+Invalid, 8500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3487 IncrementalHoareTripleChecker+Valid, 5013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:55:52,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3349 Valid, 3165 Invalid, 8500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3487 Valid, 5013 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2022-11-23 01:55:52,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13254 states. [2022-11-23 01:55:54,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13254 to 12762. [2022-11-23 01:55:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12762 states, 7563 states have (on average 1.208647362157874) internal successors, (9141), 7805 states have internal predecessors, (9141), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-11-23 01:55:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12762 states to 12762 states and 18105 transitions. [2022-11-23 01:55:54,641 INFO L78 Accepts]: Start accepts. Automaton has 12762 states and 18105 transitions. Word has length 293 [2022-11-23 01:55:54,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:55:54,642 INFO L495 AbstractCegarLoop]: Abstraction has 12762 states and 18105 transitions. [2022-11-23 01:55:54,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.125) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:55:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 12762 states and 18105 transitions. [2022-11-23 01:55:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-11-23 01:55:54,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:55:54,655 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 01:55:54,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 01:55:54,655 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:55:54,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:55:54,656 INFO L85 PathProgramCache]: Analyzing trace with hash 307715863, now seen corresponding path program 1 times [2022-11-23 01:55:54,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:55:54,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174825575] [2022-11-23 01:55:54,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:55:54,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:55:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:55:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:55:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:55:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:55:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:55:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 01:55:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:55:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:55:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:55:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:55:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 01:55:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 01:55:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 01:55:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-23 01:55:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 01:55:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 01:55:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:55:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-23 01:55:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-23 01:55:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 01:55:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 01:55:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 01:55:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 01:55:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-23 01:55:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:55:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:55:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:55:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-23 01:55:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:55:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-23 01:55:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-23 01:55:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:55:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-11-23 01:55:55,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:55:55,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174825575] [2022-11-23 01:55:55,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174825575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:55:55,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:55:55,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:55:55,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788272651] [2022-11-23 01:55:55,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:55:55,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:55:55,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:55:55,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:55:55,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:55:55,772 INFO L87 Difference]: Start difference. First operand 12762 states and 18105 transitions. Second operand has 8 states, 8 states have (on average 15.25) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:55:59,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:01,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:04,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:11,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:56:11,106 INFO L93 Difference]: Finished difference Result 21780 states and 31058 transitions. [2022-11-23 01:56:11,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:56:11,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 294 [2022-11-23 01:56:11,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:56:11,173 INFO L225 Difference]: With dead ends: 21780 [2022-11-23 01:56:11,173 INFO L226 Difference]: Without dead ends: 13254 [2022-11-23 01:56:11,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-11-23 01:56:11,218 INFO L413 NwaCegarLoop]: 1102 mSDtfsCounter, 3898 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 4351 mSolverCounterSat, 4370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3898 SdHoareTripleChecker+Valid, 2746 SdHoareTripleChecker+Invalid, 8721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4370 IncrementalHoareTripleChecker+Valid, 4351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-23 01:56:11,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3898 Valid, 2746 Invalid, 8721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4370 Valid, 4351 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-11-23 01:56:11,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13254 states. [2022-11-23 01:56:13,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13254 to 12762. [2022-11-23 01:56:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12762 states, 7563 states have (on average 1.2078540261800872) internal successors, (9135), 7805 states have internal predecessors, (9135), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-11-23 01:56:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12762 states to 12762 states and 18099 transitions. [2022-11-23 01:56:13,455 INFO L78 Accepts]: Start accepts. Automaton has 12762 states and 18099 transitions. Word has length 294 [2022-11-23 01:56:13,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:56:13,455 INFO L495 AbstractCegarLoop]: Abstraction has 12762 states and 18099 transitions. [2022-11-23 01:56:13,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.25) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:56:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 12762 states and 18099 transitions. [2022-11-23 01:56:13,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-11-23 01:56:13,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:56:13,463 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 01:56:13,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 01:56:13,463 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:56:13,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:56:13,463 INFO L85 PathProgramCache]: Analyzing trace with hash -119467743, now seen corresponding path program 1 times [2022-11-23 01:56:13,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:56:13,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044380675] [2022-11-23 01:56:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:56:13,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:56:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:56:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:56:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:56:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:56:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:56:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 01:56:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:56:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:56:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:56:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:56:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 01:56:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 01:56:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 01:56:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-23 01:56:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 01:56:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 01:56:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:56:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-23 01:56:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-23 01:56:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 01:56:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 01:56:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 01:56:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 01:56:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-23 01:56:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:56:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-23 01:56:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-23 01:56:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-23 01:56:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-11-23 01:56:14,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:56:14,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044380675] [2022-11-23 01:56:14,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044380675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:56:14,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:56:14,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:56:14,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095016148] [2022-11-23 01:56:14,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:56:14,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:56:14,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:56:14,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:56:14,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:56:14,340 INFO L87 Difference]: Start difference. First operand 12762 states and 18099 transitions. Second operand has 8 states, 8 states have (on average 15.375) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:56:18,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:20,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:32,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:56:32,516 INFO L93 Difference]: Finished difference Result 21780 states and 31046 transitions. [2022-11-23 01:56:32,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:56:32,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 295 [2022-11-23 01:56:32,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:56:32,614 INFO L225 Difference]: With dead ends: 21780 [2022-11-23 01:56:32,614 INFO L226 Difference]: Without dead ends: 13254 [2022-11-23 01:56:32,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-11-23 01:56:32,671 INFO L413 NwaCegarLoop]: 1102 mSDtfsCounter, 3341 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 5013 mSolverCounterSat, 3485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 3166 SdHoareTripleChecker+Invalid, 8498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3485 IncrementalHoareTripleChecker+Valid, 5013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-23 01:56:32,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 3166 Invalid, 8498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3485 Valid, 5013 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2022-11-23 01:56:32,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13254 states. [2022-11-23 01:56:34,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13254 to 12762. [2022-11-23 01:56:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12762 states, 7563 states have (on average 1.2070606902023007) internal successors, (9129), 7805 states have internal predecessors, (9129), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-11-23 01:56:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12762 states to 12762 states and 18093 transitions. [2022-11-23 01:56:34,897 INFO L78 Accepts]: Start accepts. Automaton has 12762 states and 18093 transitions. Word has length 295 [2022-11-23 01:56:34,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:56:34,897 INFO L495 AbstractCegarLoop]: Abstraction has 12762 states and 18093 transitions. [2022-11-23 01:56:34,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 5 states have internal predecessors, (123), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:56:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 12762 states and 18093 transitions. [2022-11-23 01:56:34,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-23 01:56:34,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:56:34,912 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 01:56:34,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 01:56:34,913 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:56:34,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:56:34,913 INFO L85 PathProgramCache]: Analyzing trace with hash -362741037, now seen corresponding path program 1 times [2022-11-23 01:56:34,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:56:34,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181400641] [2022-11-23 01:56:34,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:56:34,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:56:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:56:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:56:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:56:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:56:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:56:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 01:56:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:56:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:56:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:56:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:56:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 01:56:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 01:56:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 01:56:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-23 01:56:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 01:56:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 01:56:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:56:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-23 01:56:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-23 01:56:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 01:56:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 01:56:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 01:56:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 01:56:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-23 01:56:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:56:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-23 01:56:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-23 01:56:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-23 01:56:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-11-23 01:56:36,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:56:36,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181400641] [2022-11-23 01:56:36,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181400641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:56:36,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:56:36,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:56:36,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492762416] [2022-11-23 01:56:36,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:56:36,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:56:36,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:56:36,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:56:36,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:56:36,003 INFO L87 Difference]: Start difference. First operand 12762 states and 18093 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:56:39,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:41,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:43,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:56:52,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:56:52,193 INFO L93 Difference]: Finished difference Result 21780 states and 31034 transitions. [2022-11-23 01:56:52,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:56:52,194 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 296 [2022-11-23 01:56:52,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:56:52,256 INFO L225 Difference]: With dead ends: 21780 [2022-11-23 01:56:52,256 INFO L226 Difference]: Without dead ends: 13254 [2022-11-23 01:56:52,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-11-23 01:56:52,295 INFO L413 NwaCegarLoop]: 1101 mSDtfsCounter, 4441 mSDsluCounter, 1630 mSDsCounter, 0 mSdLazyCounter, 4305 mSolverCounterSat, 5253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4441 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 9558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5253 IncrementalHoareTripleChecker+Valid, 4305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-23 01:56:52,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4441 Valid, 2731 Invalid, 9558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5253 Valid, 4305 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2022-11-23 01:56:52,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13254 states. [2022-11-23 01:56:54,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13254 to 12762. [2022-11-23 01:56:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12762 states, 7563 states have (on average 1.2062673542245141) internal successors, (9123), 7805 states have internal predecessors, (9123), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-11-23 01:56:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12762 states to 12762 states and 18087 transitions. [2022-11-23 01:56:54,285 INFO L78 Accepts]: Start accepts. Automaton has 12762 states and 18087 transitions. Word has length 296 [2022-11-23 01:56:54,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:56:54,285 INFO L495 AbstractCegarLoop]: Abstraction has 12762 states and 18087 transitions. [2022-11-23 01:56:54,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:56:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 12762 states and 18087 transitions. [2022-11-23 01:56:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-23 01:56:54,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:56:54,293 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 01:56:54,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 01:56:54,293 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:56:54,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:56:54,293 INFO L85 PathProgramCache]: Analyzing trace with hash 800238045, now seen corresponding path program 1 times [2022-11-23 01:56:54,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:56:54,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680418097] [2022-11-23 01:56:54,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:56:54,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:56:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:56:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:56:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:56:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:56:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:56:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 01:56:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:56:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:56:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:56:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:56:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 01:56:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 01:56:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 01:56:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-23 01:56:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 01:56:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 01:56:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:56:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-23 01:56:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-23 01:56:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 01:56:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 01:56:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 01:56:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 01:56:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-23 01:56:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:56:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:56:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:56:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-23 01:56:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:56:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-23 01:56:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-23 01:56:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:56:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-11-23 01:56:55,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:56:55,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680418097] [2022-11-23 01:56:55,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680418097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:56:55,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:56:55,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:56:55,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059622614] [2022-11-23 01:56:55,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:56:55,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:56:55,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:56:55,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:56:55,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:56:55,157 INFO L87 Difference]: Start difference. First operand 12762 states and 18087 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:56:59,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:57:10,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:57:10,682 INFO L93 Difference]: Finished difference Result 21780 states and 31022 transitions. [2022-11-23 01:57:10,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:57:10,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 297 [2022-11-23 01:57:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:57:10,758 INFO L225 Difference]: With dead ends: 21780 [2022-11-23 01:57:10,758 INFO L226 Difference]: Without dead ends: 13254 [2022-11-23 01:57:10,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-11-23 01:57:10,805 INFO L413 NwaCegarLoop]: 1103 mSDtfsCounter, 3885 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 4560 mSolverCounterSat, 4364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3885 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 8924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4364 IncrementalHoareTripleChecker+Valid, 4560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-23 01:57:10,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3885 Valid, 2736 Invalid, 8924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4364 Valid, 4560 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-11-23 01:57:10,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13254 states. [2022-11-23 01:57:12,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13254 to 12762. [2022-11-23 01:57:12,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12762 states, 7563 states have (on average 1.2054740182467274) internal successors, (9117), 7805 states have internal predecessors, (9117), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-11-23 01:57:12,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12762 states to 12762 states and 18081 transitions. [2022-11-23 01:57:12,894 INFO L78 Accepts]: Start accepts. Automaton has 12762 states and 18081 transitions. Word has length 297 [2022-11-23 01:57:12,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:57:12,894 INFO L495 AbstractCegarLoop]: Abstraction has 12762 states and 18081 transitions. [2022-11-23 01:57:12,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-23 01:57:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 12762 states and 18081 transitions. [2022-11-23 01:57:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-23 01:57:12,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:57:12,900 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 01:57:12,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 01:57:12,901 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:57:12,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:12,901 INFO L85 PathProgramCache]: Analyzing trace with hash 828867196, now seen corresponding path program 1 times [2022-11-23 01:57:12,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:12,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459894131] [2022-11-23 01:57:12,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:12,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:57:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:57:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:57:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:57:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:57:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-23 01:57:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:57:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:57:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:57:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:57:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 01:57:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-23 01:57:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-23 01:57:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-23 01:57:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-23 01:57:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 01:57:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 01:57:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-23 01:57:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-23 01:57:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-23 01:57:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-23 01:57:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-23 01:57:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-23 01:57:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-23 01:57:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:57:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-23 01:57:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-23 01:57:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-23 01:57:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-11-23 01:57:13,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:13,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459894131] [2022-11-23 01:57:13,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459894131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:13,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:13,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 01:57:13,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780313423] [2022-11-23 01:57:13,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:13,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:57:13,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:13,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:57:13,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:57:13,869 INFO L87 Difference]: Start difference. First operand 12762 states and 18081 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2022-11-23 01:57:16,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:57:22,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 01:57:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:57:29,107 INFO L93 Difference]: Finished difference Result 13276 states and 18785 transitions. [2022-11-23 01:57:29,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:57:29,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) Word has length 297 [2022-11-23 01:57:29,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:57:29,159 INFO L225 Difference]: With dead ends: 13276 [2022-11-23 01:57:29,159 INFO L226 Difference]: Without dead ends: 13274 [2022-11-23 01:57:29,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-23 01:57:29,168 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 2188 mSDsluCounter, 3614 mSDsCounter, 0 mSdLazyCounter, 7379 mSolverCounterSat, 2087 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2547 SdHoareTripleChecker+Valid, 4719 SdHoareTripleChecker+Invalid, 9466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2087 IncrementalHoareTripleChecker+Valid, 7379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-23 01:57:29,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2547 Valid, 4719 Invalid, 9466 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2087 Valid, 7379 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-11-23 01:57:29,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13274 states. [2022-11-23 01:57:31,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13274 to 12774. [2022-11-23 01:57:31,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12774 states, 7571 states have (on average 1.204728569541672) internal successors, (9121), 7815 states have internal predecessors, (9121), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 762 states have return successors, (4528), 4328 states have call predecessors, (4528), 4440 states have call successors, (4528) [2022-11-23 01:57:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12774 states to 12774 states and 18089 transitions. [2022-11-23 01:57:31,186 INFO L78 Accepts]: Start accepts. Automaton has 12774 states and 18089 transitions. Word has length 297 [2022-11-23 01:57:31,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:57:31,186 INFO L495 AbstractCegarLoop]: Abstraction has 12774 states and 18089 transitions. [2022-11-23 01:57:31,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 4 states have internal predecessors, (125), 1 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2022-11-23 01:57:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 12774 states and 18089 transitions. [2022-11-23 01:57:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2022-11-23 01:57:31,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:57:31,233 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 10, 10, 8, 8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:57:31,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-23 01:57:31,234 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 01:57:31,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:31,234 INFO L85 PathProgramCache]: Analyzing trace with hash -806565150, now seen corresponding path program 1 times [2022-11-23 01:57:31,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:31,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225361054] [2022-11-23 01:57:31,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:31,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 01:57:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:57:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-23 01:57:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-23 01:57:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-23 01:57:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-23 01:57:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-23 01:57:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-23 01:57:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-23 01:57:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-23 01:57:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-23 01:57:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-23 01:57:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 01:57:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 01:57:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-23 01:57:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-23 01:57:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-23 01:57:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-23 01:57:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:57:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:57:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 01:57:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-23 01:57:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-23 01:57:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 01:57:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 01:57:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-23 01:57:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-23 01:57:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-23 01:57:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-23 01:57:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 01:57:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-23 01:57:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 01:57:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-23 01:57:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-23 01:57:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-23 01:57:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-11-23 01:57:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-23 01:57:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-23 01:57:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-23 01:57:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 01:57:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-23 01:57:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-23 01:57:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-23 01:57:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-23 01:57:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-23 01:57:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-23 01:57:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-23 01:57:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-23 01:57:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-11-23 01:57:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-11-23 01:57:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-11-23 01:57:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-11-23 01:57:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-11-23 01:57:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-11-23 01:57:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 01:57:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 01:57:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 01:57:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-11-23 01:57:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 01:57:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-11-23 01:57:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:32,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-11-23 01:57:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-11-23 01:57:33,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:33,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225361054] [2022-11-23 01:57:33,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225361054] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 01:57:33,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353922924] [2022-11-23 01:57:33,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:33,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:57:33,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:33,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:57:33,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 01:57:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:34,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 5745 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 01:57:34,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:57:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 807 trivial. 0 not checked. [2022-11-23 01:57:35,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:57:35,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353922924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:35,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 01:57:35,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2022-11-23 01:57:35,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591724119] [2022-11-23 01:57:35,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:35,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:57:35,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:35,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:57:35,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-11-23 01:57:35,451 INFO L87 Difference]: Start difference. First operand 12774 states and 18089 transitions. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 2 states have call successors, (77), 2 states have call predecessors, (77), 3 states have return successors, (74), 3 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-23 01:57:37,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:57:37,728 INFO L93 Difference]: Finished difference Result 17500 states and 24907 transitions. [2022-11-23 01:57:37,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:57:37,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 2 states have call successors, (77), 2 states have call predecessors, (77), 3 states have return successors, (74), 3 states have call predecessors, (74), 2 states have call successors, (74) Word has length 585 [2022-11-23 01:57:37,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:57:37,734 INFO L225 Difference]: With dead ends: 17500 [2022-11-23 01:57:37,734 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 01:57:37,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 766 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-11-23 01:57:37,789 INFO L413 NwaCegarLoop]: 3329 mSDtfsCounter, 1598 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 4902 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 01:57:37,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1598 Valid, 4902 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 01:57:37,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 01:57:37,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 01:57:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:57:37,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 01:57:37,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 585 [2022-11-23 01:57:37,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:57:37,796 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 01:57:37,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 2 states have call successors, (77), 2 states have call predecessors, (77), 3 states have return successors, (74), 3 states have call predecessors, (74), 2 states have call successors, (74) [2022-11-23 01:57:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 01:57:37,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 01:57:37,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 01:57:37,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 01:57:38,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f30bd3c-bd66-498f-b0be-80f827941f89/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-11-23 01:57:38,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 02:00:52,741 WARN L233 SmtUtils]: Spent 1.35m on a formula simplification that was a NOOP. DAG size: 123 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:02:03,833 WARN L233 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 119 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:03:12,777 WARN L233 SmtUtils]: Spent 1.15m on a formula simplification that was a NOOP. DAG size: 120 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-23 02:04:20,864 WARN L233 SmtUtils]: Spent 1.13m on a formula simplification that was a NOOP. DAG size: 122 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)