./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 27c97bcf411d26ec272f425e404581082a84d844ce897669cae8d1db38d078c4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:28:35,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:28:35,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:28:35,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:28:35,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:28:35,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:28:35,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:28:35,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:28:35,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:28:35,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:28:35,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:28:35,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:28:35,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:28:35,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:28:35,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:28:35,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:28:35,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:28:35,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:28:35,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:28:35,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:28:35,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:28:35,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:28:35,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:28:35,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:28:35,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:28:35,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:28:35,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:28:35,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:28:35,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:28:35,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:28:35,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:28:35,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:28:35,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:28:35,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:28:35,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:28:35,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:28:35,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:28:35,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:28:35,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:28:35,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:28:35,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:28:35,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:28:35,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:28:35,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:28:35,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:28:35,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:28:35,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:28:35,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:28:35,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:28:35,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:28:35,166 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:28:35,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:28:35,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:28:35,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:28:35,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:28:35,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:28:35,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:28:35,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:28:35,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:28:35,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:28:35,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:28:35,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:28:35,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:28:35,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:28:35,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:28:35,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:28:35,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:28:35,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:28:35,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:28:35,172 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:28:35,173 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:28:35,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:28:35,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27c97bcf411d26ec272f425e404581082a84d844ce897669cae8d1db38d078c4 [2022-11-16 11:28:35,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:28:35,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:28:35,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:28:35,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:28:35,523 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:28:35,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2022-11-16 11:28:35,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/data/61fcd294f/093e3658817b410a86f5bcfb8d7c9c93/FLAG35ea83fbe [2022-11-16 11:28:36,950 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:28:36,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2022-11-16 11:28:37,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/data/61fcd294f/093e3658817b410a86f5bcfb8d7c9c93/FLAG35ea83fbe [2022-11-16 11:28:37,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/data/61fcd294f/093e3658817b410a86f5bcfb8d7c9c93 [2022-11-16 11:28:37,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:28:37,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:28:37,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:28:37,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:28:37,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:28:37,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:28:37" (1/1) ... [2022-11-16 11:28:37,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601f13c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:37, skipping insertion in model container [2022-11-16 11:28:37,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:28:37" (1/1) ... [2022-11-16 11:28:37,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:28:37,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:28:43,723 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[624921,624934] [2022-11-16 11:28:43,725 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[625066,625079] [2022-11-16 11:28:43,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:28:43,838 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:28:44,667 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[624921,624934] [2022-11-16 11:28:44,668 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[625066,625079] [2022-11-16 11:28:44,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:28:44,949 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:28:44,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44 WrapperNode [2022-11-16 11:28:44,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:28:44,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:28:44,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:28:44,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:28:44,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:45,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:45,694 INFO L138 Inliner]: procedures = 618, calls = 9059, calls flagged for inlining = 319, calls inlined = 245, statements flattened = 13657 [2022-11-16 11:28:45,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:28:45,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:28:45,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:28:45,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:28:45,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:45,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:45,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:45,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:46,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:46,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:46,308 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:46,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:46,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:28:46,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:28:46,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:28:46,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:28:46,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (1/1) ... [2022-11-16 11:28:46,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:28:46,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:28:46,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:28:46,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607b9b08-c904-44ac-9172-f79f203b16ec/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:28:46,533 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 11:28:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 11:28:46,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 11:28:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 11:28:46,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:28:46,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:28:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-11-16 11:28:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-11-16 11:28:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-11-16 11:28:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-11-16 11:28:46,535 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-11-16 11:28:46,535 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-11-16 11:28:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-11-16 11:28:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-11-16 11:28:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-11-16 11:28:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-11-16 11:28:46,536 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-11-16 11:28:46,536 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-11-16 11:28:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-16 11:28:46,537 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-16 11:28:46,537 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-11-16 11:28:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-11-16 11:28:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-11-16 11:28:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-11-16 11:28:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-11-16 11:28:46,538 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-11-16 11:28:46,538 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-11-16 11:28:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-11-16 11:28:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-11-16 11:28:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:28:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:28:46,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2022-11-16 11:28:46,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2022-11-16 11:28:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 11:28:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-11-16 11:28:46,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-11-16 11:28:46,540 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-11-16 11:28:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-11-16 11:28:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 11:28:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 11:28:46,541 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-16 11:28:46,541 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-16 11:28:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 11:28:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 11:28:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 11:28:46,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 11:28:46,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:28:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:28:46,543 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-16 11:28:46,543 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-16 11:28:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:28:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-16 11:28:46,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-16 11:28:46,544 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-11-16 11:28:46,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-11-16 11:28:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-11-16 11:28:46,546 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-11-16 11:28:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 11:28:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 11:28:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-16 11:28:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-16 11:28:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-11-16 11:28:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-11-16 11:28:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 11:28:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 11:28:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-11-16 11:28:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-11-16 11:28:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:28:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-11-16 11:28:46,549 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-11-16 11:28:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:28:46,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:28:46,550 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-11-16 11:28:46,550 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-11-16 11:28:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:28:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-11-16 11:28:46,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-11-16 11:28:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 11:28:46,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 11:28:46,551 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-11-16 11:28:46,552 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-11-16 11:28:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-11-16 11:28:46,552 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-11-16 11:28:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-16 11:28:46,552 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-16 11:28:46,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:28:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-11-16 11:28:46,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-11-16 11:28:46,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-16 11:28:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-16 11:28:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:28:46,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:28:46,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-16 11:28:46,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-16 11:28:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 11:28:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 11:28:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-16 11:28:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-16 11:28:46,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 11:28:46,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 11:28:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-11-16 11:28:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-11-16 11:28:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-16 11:28:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-16 11:28:46,557 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-11-16 11:28:46,557 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-11-16 11:28:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-11-16 11:28:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 11:28:46,558 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 11:28:46,558 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-16 11:28:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-16 11:28:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:28:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-16 11:28:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-16 11:28:46,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-16 11:28:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-16 11:28:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-16 11:28:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-16 11:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-16 11:28:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-16 11:28:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-11-16 11:28:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-11-16 11:28:46,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:28:46,568 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-11-16 11:28:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-11-16 11:28:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 11:28:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 11:28:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:28:46,569 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-11-16 11:28:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-11-16 11:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:28:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:28:46,570 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-11-16 11:28:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-11-16 11:28:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-16 11:28:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-16 11:28:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-16 11:28:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-16 11:28:46,571 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 11:28:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 11:28:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-11-16 11:28:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-11-16 11:28:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-11-16 11:28:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-11-16 11:28:46,572 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-11-16 11:28:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-11-16 11:28:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-16 11:28:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-16 11:28:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-11-16 11:28:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-11-16 11:28:46,573 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-11-16 11:28:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-11-16 11:28:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-11-16 11:28:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-11-16 11:28:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:28:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:28:46,574 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 11:28:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 11:28:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:28:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:28:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:28:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:28:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-16 11:28:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-16 11:28:46,576 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-11-16 11:28:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-11-16 11:28:46,576 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-11-16 11:28:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-11-16 11:28:46,576 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-11-16 11:28:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-11-16 11:28:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-16 11:28:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-16 11:28:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-16 11:28:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-16 11:28:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-11-16 11:28:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-11-16 11:28:46,577 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-16 11:28:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-16 11:28:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-11-16 11:28:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-11-16 11:28:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-16 11:28:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-16 11:28:46,578 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:28:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:28:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-11-16 11:28:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-11-16 11:28:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-11-16 11:28:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-11-16 11:28:46,579 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-11-16 11:28:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-11-16 11:28:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:28:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:28:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-11-16 11:28:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-11-16 11:28:46,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-11-16 11:28:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-11-16 11:28:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-16 11:28:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-16 11:28:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-11-16 11:28:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-11-16 11:28:46,581 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-11-16 11:28:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-11-16 11:28:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-16 11:28:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-16 11:28:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-16 11:28:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-16 11:28:46,582 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-16 11:28:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-16 11:28:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-11-16 11:28:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-11-16 11:28:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59___0 [2022-11-16 11:28:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59___0 [2022-11-16 11:28:46,583 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-11-16 11:28:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-11-16 11:28:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-11-16 11:28:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-11-16 11:28:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:28:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:28:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:28:46,584 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-11-16 11:28:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-11-16 11:28:46,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:28:46,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-11-16 11:28:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-11-16 11:28:46,585 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-11-16 11:28:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-11-16 11:28:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-11-16 11:28:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-11-16 11:28:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-16 11:28:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-16 11:28:46,586 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-11-16 11:28:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-11-16 11:28:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:28:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 11:28:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 11:28:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-16 11:28:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-16 11:28:46,587 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:28:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:28:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-11-16 11:28:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-11-16 11:28:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 11:28:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 11:28:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2022-11-16 11:28:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2022-11-16 11:28:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 11:28:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 11:28:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-11-16 11:28:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-11-16 11:28:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 11:28:46,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 11:28:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-11-16 11:28:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-11-16 11:28:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:28:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:28:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 11:28:46,590 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 11:28:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uvc_clock [2022-11-16 11:28:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uvc_clock [2022-11-16 11:28:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-11-16 11:28:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-11-16 11:28:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-11-16 11:28:46,591 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-11-16 11:28:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-11-16 11:28:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-11-16 11:28:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-11-16 11:28:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-11-16 11:28:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 11:28:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 11:28:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-11-16 11:28:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-11-16 11:28:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-11-16 11:28:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-11-16 11:28:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:28:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:28:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:28:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:28:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:28:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-16 11:28:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-16 11:28:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-11-16 11:28:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-11-16 11:28:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-16 11:28:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-16 11:28:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-11-16 11:28:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-11-16 11:28:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-16 11:28:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-16 11:28:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-11-16 11:28:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-11-16 11:28:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-11-16 11:28:46,596 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-11-16 11:28:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-16 11:28:46,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-16 11:28:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-11-16 11:28:46,596 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-11-16 11:28:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-11-16 11:28:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-11-16 11:28:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-16 11:28:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-16 11:28:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-16 11:28:46,597 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-16 11:28:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-11-16 11:28:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-11-16 11:28:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-11-16 11:28:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-11-16 11:28:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-16 11:28:46,598 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-16 11:28:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-11-16 11:28:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-11-16 11:28:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-11-16 11:28:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-11-16 11:28:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 11:28:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 11:28:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-11-16 11:28:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-11-16 11:28:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-11-16 11:28:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-11-16 11:28:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-11-16 11:28:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-11-16 11:28:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-11-16 11:28:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-11-16 11:28:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-11-16 11:28:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-11-16 11:28:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-11-16 11:28:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-11-16 11:28:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-11-16 11:28:46,601 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-11-16 11:28:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:28:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-11-16 11:28:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-11-16 11:28:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-11-16 11:28:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-11-16 11:28:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 11:28:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 11:28:48,117 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:28:48,124 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:28:48,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:28:48,815 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11812: SUMMARY for call __copy_to_user_nocheck_#t~ret1066#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-11-16 11:28:48,815 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume 0 != __copy_to_user_nocheck_~tmp___1~14#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-16 11:28:48,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume !(0 != __copy_to_user_nocheck_~tmp___1~14#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-16 11:28:48,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:48,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:48,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:48,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:48,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:48,817 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:48,817 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:48,817 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:48,817 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11833: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1064#1 && __copy_to_user_nocheck_#t~ret1064#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~24#1 := __copy_to_user_nocheck_#t~ret1064#1;havoc __copy_to_user_nocheck_#t~ret1064#1; [2022-11-16 11:28:48,817 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:48,817 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:48,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11805: SUMMARY for call __copy_to_user_nocheck_#t~ret1064#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-11-16 11:28:48,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11809: SUMMARY for call __copy_to_user_nocheck_#t~ret1065#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-11-16 11:28:48,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11797: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-16 11:28:48,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11859: __copy_to_user_nocheck_~tmp___2~10#1 := __copy_to_user_nocheck_#t~ret1066#1;havoc __copy_to_user_nocheck_#t~ret1066#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-16 11:28:48,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11801: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-16 11:28:48,818 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11789: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-16 11:28:48,819 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11793: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-16 11:28:48,819 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:48,819 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:48,819 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11847: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1065#1 && __copy_to_user_nocheck_#t~ret1065#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~14#1 := __copy_to_user_nocheck_#t~ret1065#1;havoc __copy_to_user_nocheck_#t~ret1065#1; [2022-11-16 11:28:48,819 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume 0 != __copy_to_user_nocheck_~tmp___0~24#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-16 11:28:48,819 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume !(0 != __copy_to_user_nocheck_~tmp___0~24#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-11-16 11:28:52,762 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11700: SUMMARY for call __copy_from_user_nocheck_#t~ret1060#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-11-16 11:28:52,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11692: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-16 11:28:52,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11696: SUMMARY for call __copy_from_user_nocheck_#t~ret1059#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-11-16 11:28:52,763 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11729: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1059#1 && __copy_from_user_nocheck_#t~ret1059#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~23#1 := __copy_from_user_nocheck_#t~ret1059#1;havoc __copy_from_user_nocheck_#t~ret1059#1; [2022-11-16 11:28:52,764 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11684: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-16 11:28:52,764 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume 0 != __copy_from_user_nocheck_~tmp___1~13#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-16 11:28:52,764 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume !(0 != __copy_from_user_nocheck_~tmp___1~13#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-16 11:28:52,764 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11688: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-16 11:28:52,764 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11680: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-16 11:28:52,764 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 0 != __copy_from_user_nocheck_~tmp___0~23#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-16 11:28:52,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(0 != __copy_from_user_nocheck_~tmp___0~23#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-11-16 11:28:52,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11756: __copy_from_user_nocheck_~tmp___2~9#1 := __copy_from_user_nocheck_#t~ret1061#1;havoc __copy_from_user_nocheck_#t~ret1061#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~9#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~9#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~9#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-16 11:28:52,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:52,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:52,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1060#1 && __copy_from_user_nocheck_#t~ret1060#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~13#1 := __copy_from_user_nocheck_#t~ret1060#1;havoc __copy_from_user_nocheck_#t~ret1060#1; [2022-11-16 11:28:52,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:52,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:52,768 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11703: SUMMARY for call __copy_from_user_nocheck_#t~ret1061#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-11-16 11:28:52,768 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:52,773 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:52,774 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:52,774 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:52,774 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:52,774 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:28:52,774 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-16 11:28:52,775 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-16 11:33:58,258 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-16 11:33:58,402 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:33:58,449 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:33:58,449 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-16 11:33:58,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:58 BoogieIcfgContainer [2022-11-16 11:33:58,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:33:58,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:33:58,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:33:58,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:33:58,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:28:37" (1/3) ... [2022-11-16 11:33:58,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cae7660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:33:58, skipping insertion in model container [2022-11-16 11:33:58,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:28:44" (2/3) ... [2022-11-16 11:33:58,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cae7660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:33:58, skipping insertion in model container [2022-11-16 11:33:58,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:33:58" (3/3) ... [2022-11-16 11:33:58,474 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2022-11-16 11:33:58,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:33:58,498 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:33:58,699 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:33:58,708 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;@1dff806a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:33:58,709 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:33:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 3261 states, 2423 states have (on average 1.368551382583574) internal successors, (3316), 2441 states have internal predecessors, (3316), 680 states have call successors, (680), 158 states have call predecessors, (680), 157 states have return successors, (671), 665 states have call predecessors, (671), 671 states have call successors, (671) [2022-11-16 11:33:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-16 11:33:58,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:33:58,795 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:33:58,799 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:33:58,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:33:58,810 INFO L85 PathProgramCache]: Analyzing trace with hash -219412983, now seen corresponding path program 1 times [2022-11-16 11:33:58,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:33:58,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820498103] [2022-11-16 11:33:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:33:58,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:33:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:34:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:34:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:34:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:34:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:34:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:34:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:34:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:34:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:34:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:34:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:34:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:34:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:34:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:34:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:34:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:34:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:34:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:34:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:34:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:34:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:34:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:34:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:34:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:34:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:34:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 11:34:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 11:34:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-16 11:34:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:34:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 11:34:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 11:34:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-16 11:34:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-16 11:34:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-11-16 11:34:02,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:34:02,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820498103] [2022-11-16 11:34:02,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820498103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:34:02,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:34:02,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:34:02,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73525378] [2022-11-16 11:34:02,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:34:02,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:34:02,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:34:02,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:34:02,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:34:02,662 INFO L87 Difference]: Start difference. First operand has 3261 states, 2423 states have (on average 1.368551382583574) internal successors, (3316), 2441 states have internal predecessors, (3316), 680 states have call successors, (680), 158 states have call predecessors, (680), 157 states have return successors, (671), 665 states have call predecessors, (671), 671 states have call successors, (671) Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-16 11:34:05,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:07,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:22,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:26,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:34:26,544 INFO L93 Difference]: Finished difference Result 10132 states and 14813 transitions. [2022-11-16 11:34:26,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:34:26,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 375 [2022-11-16 11:34:26,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:34:26,649 INFO L225 Difference]: With dead ends: 10132 [2022-11-16 11:34:26,650 INFO L226 Difference]: Without dead ends: 6863 [2022-11-16 11:34:26,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:34:26,683 INFO L413 NwaCegarLoop]: 4194 mSDtfsCounter, 6397 mSDsluCounter, 5759 mSDsCounter, 0 mSdLazyCounter, 3752 mSolverCounterSat, 1940 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6939 SdHoareTripleChecker+Valid, 9953 SdHoareTripleChecker+Invalid, 5695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1940 IncrementalHoareTripleChecker+Valid, 3752 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:34:26,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6939 Valid, 9953 Invalid, 5695 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1940 Valid, 3752 Invalid, 3 Unknown, 0 Unchecked, 22.8s Time] [2022-11-16 11:34:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6863 states. [2022-11-16 11:34:27,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6863 to 6257. [2022-11-16 11:34:27,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6257 states, 4696 states have (on average 1.3594548551959114) internal successors, (6384), 4732 states have internal predecessors, (6384), 1251 states have call successors, (1251), 309 states have call predecessors, (1251), 309 states have return successors, (1251), 1237 states have call predecessors, (1251), 1251 states have call successors, (1251) [2022-11-16 11:34:27,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 8886 transitions. [2022-11-16 11:34:27,231 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 8886 transitions. Word has length 375 [2022-11-16 11:34:27,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:34:27,237 INFO L495 AbstractCegarLoop]: Abstraction has 6257 states and 8886 transitions. [2022-11-16 11:34:27,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-16 11:34:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 8886 transitions. [2022-11-16 11:34:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-11-16 11:34:27,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:34:27,260 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:34:27,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:34:27,261 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:34:27,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:34:27,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1442262749, now seen corresponding path program 1 times [2022-11-16 11:34:27,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:34:27,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115215456] [2022-11-16 11:34:27,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:34:27,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:34:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:34:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:34:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:34:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:34:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:34:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:34:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:34:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:34:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:34:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:34:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:34:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:34:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:34:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:34:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:34:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:34:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:34:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:34:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:34:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:34:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:34:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:34:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:34:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:34:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:34:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 11:34:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 11:34:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-16 11:34:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:34:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 11:34:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 11:34:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-16 11:34:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-11-16 11:34:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-16 11:34:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-11-16 11:34:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-16 11:34:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-11-16 11:34:29,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:34:29,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115215456] [2022-11-16 11:34:29,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115215456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:34:29,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:34:29,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:34:29,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594666493] [2022-11-16 11:34:29,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:34:29,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:34:29,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:34:29,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:34:29,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:34:29,826 INFO L87 Difference]: Start difference. First operand 6257 states and 8886 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-16 11:34:32,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:34,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:48,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:34:53,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:34:53,003 INFO L93 Difference]: Finished difference Result 19203 states and 27513 transitions. [2022-11-16 11:34:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:34:53,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 398 [2022-11-16 11:34:53,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:34:53,100 INFO L225 Difference]: With dead ends: 19203 [2022-11-16 11:34:53,100 INFO L226 Difference]: Without dead ends: 13013 [2022-11-16 11:34:53,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:34:53,130 INFO L413 NwaCegarLoop]: 4117 mSDtfsCounter, 5992 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 3605 mSolverCounterSat, 1802 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6474 SdHoareTripleChecker+Valid, 9784 SdHoareTripleChecker+Invalid, 5410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1802 IncrementalHoareTripleChecker+Valid, 3605 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:34:53,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6474 Valid, 9784 Invalid, 5410 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1802 Valid, 3605 Invalid, 3 Unknown, 0 Unchecked, 22.2s Time] [2022-11-16 11:34:53,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13013 states. [2022-11-16 11:34:53,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13013 to 11809. [2022-11-16 11:34:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11809 states, 8894 states have (on average 1.3635034854958399) internal successors, (12127), 8970 states have internal predecessors, (12127), 2318 states have call successors, (2318), 596 states have call predecessors, (2318), 596 states have return successors, (2318), 2286 states have call predecessors, (2318), 2318 states have call successors, (2318) [2022-11-16 11:34:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11809 states to 11809 states and 16763 transitions. [2022-11-16 11:34:53,916 INFO L78 Accepts]: Start accepts. Automaton has 11809 states and 16763 transitions. Word has length 398 [2022-11-16 11:34:53,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:34:53,919 INFO L495 AbstractCegarLoop]: Abstraction has 11809 states and 16763 transitions. [2022-11-16 11:34:53,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-16 11:34:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 11809 states and 16763 transitions. [2022-11-16 11:34:53,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-16 11:34:53,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:34:53,937 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:34:53,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:34:53,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:34:53,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:34:53,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1972100928, now seen corresponding path program 1 times [2022-11-16 11:34:53,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:34:53,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139125361] [2022-11-16 11:34:53,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:34:53,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:34:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:34:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:34:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:34:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:34:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:34:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:34:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:34:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:34:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:34:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:34:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:34:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:34:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:34:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:34:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:34:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:34:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:34:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:34:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:34:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:34:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:34:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:34:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:34:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:34:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:34:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 11:34:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 11:34:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-16 11:34:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:34:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 11:34:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 11:34:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-16 11:34:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-11-16 11:34:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:34:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-16 11:34:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-11-16 11:34:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:34:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4278 trivial. 0 not checked. [2022-11-16 11:34:56,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:34:56,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139125361] [2022-11-16 11:34:56,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139125361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:34:56,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:34:56,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:34:56,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626762378] [2022-11-16 11:34:56,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:34:56,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:34:56,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:34:56,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:34:56,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:34:56,643 INFO L87 Difference]: Start difference. First operand 11809 states and 16763 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-16 11:34:58,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:00,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:02,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:25,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:27,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:32,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:34,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:34,378 INFO L93 Difference]: Finished difference Result 31396 states and 44759 transitions. [2022-11-16 11:35:34,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:35:34,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 410 [2022-11-16 11:35:34,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:34,522 INFO L225 Difference]: With dead ends: 31396 [2022-11-16 11:35:34,523 INFO L226 Difference]: Without dead ends: 19654 [2022-11-16 11:35:34,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:35:34,573 INFO L413 NwaCegarLoop]: 3971 mSDtfsCounter, 5498 mSDsluCounter, 7330 mSDsCounter, 0 mSdLazyCounter, 5870 mSolverCounterSat, 3073 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5862 SdHoareTripleChecker+Valid, 11301 SdHoareTripleChecker+Invalid, 8949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3073 IncrementalHoareTripleChecker+Valid, 5870 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:34,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5862 Valid, 11301 Invalid, 8949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3073 Valid, 5870 Invalid, 6 Unknown, 0 Unchecked, 36.5s Time] [2022-11-16 11:35:34,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19654 states. [2022-11-16 11:35:35,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19654 to 16955. [2022-11-16 11:35:35,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16955 states, 12649 states have (on average 1.3447703375760929) internal successors, (17010), 12755 states have internal predecessors, (17010), 3371 states have call successors, (3371), 934 states have call predecessors, (3371), 934 states have return successors, (3371), 3319 states have call predecessors, (3371), 3371 states have call successors, (3371) [2022-11-16 11:35:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16955 states to 16955 states and 23752 transitions. [2022-11-16 11:35:35,597 INFO L78 Accepts]: Start accepts. Automaton has 16955 states and 23752 transitions. Word has length 410 [2022-11-16 11:35:35,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:35:35,598 INFO L495 AbstractCegarLoop]: Abstraction has 16955 states and 23752 transitions. [2022-11-16 11:35:35,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-16 11:35:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 16955 states and 23752 transitions. [2022-11-16 11:35:35,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-11-16 11:35:35,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:35:35,613 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 31, 31, 31, 31, 31, 31, 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] [2022-11-16 11:35:35,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:35:35,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:35:35,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:35:35,614 INFO L85 PathProgramCache]: Analyzing trace with hash 178086742, now seen corresponding path program 1 times [2022-11-16 11:35:35,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:35:35,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460294091] [2022-11-16 11:35:35,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:35:35,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:35:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:35:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:35:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:35:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:35:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:35:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:35:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:35:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:35:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:35:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:35:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:35:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:35:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:35:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:35:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:35:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:35:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:35:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:35:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:35:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:35:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:35:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:35:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:35:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:35:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:35:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 11:35:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 11:35:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-16 11:35:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:35:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 11:35:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 11:35:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:35:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-16 11:35:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-16 11:35:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-16 11:35:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-11-16 11:35:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:35:37,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4377 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4374 trivial. 0 not checked. [2022-11-16 11:35:37,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:35:37,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460294091] [2022-11-16 11:35:37,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460294091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:35:37,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:35:37,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:35:37,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300632329] [2022-11-16 11:35:37,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:35:37,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:35:37,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:35:37,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:35:37,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:35:37,963 INFO L87 Difference]: Start difference. First operand 16955 states and 23752 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-16 11:35:40,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:42,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:53,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:57,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:35:59,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:35:59,211 INFO L93 Difference]: Finished difference Result 39353 states and 55381 transitions. [2022-11-16 11:35:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:35:59,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 404 [2022-11-16 11:35:59,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:35:59,312 INFO L225 Difference]: With dead ends: 39353 [2022-11-16 11:35:59,313 INFO L226 Difference]: Without dead ends: 22465 [2022-11-16 11:35:59,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:35:59,368 INFO L413 NwaCegarLoop]: 4029 mSDtfsCounter, 5835 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 3554 mSolverCounterSat, 1747 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6290 SdHoareTripleChecker+Valid, 9646 SdHoareTripleChecker+Invalid, 5305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1747 IncrementalHoareTripleChecker+Valid, 3554 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:35:59,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6290 Valid, 9646 Invalid, 5305 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1747 Valid, 3554 Invalid, 4 Unknown, 0 Unchecked, 20.2s Time] [2022-11-16 11:35:59,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22465 states. [2022-11-16 11:36:00,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22465 to 20571. [2022-11-16 11:36:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20571 states, 15364 states have (on average 1.3438557667274147) internal successors, (20647), 15489 states have internal predecessors, (20647), 4041 states have call successors, (4041), 1165 states have call predecessors, (4041), 1165 states have return successors, (4041), 3980 states have call predecessors, (4041), 4041 states have call successors, (4041) [2022-11-16 11:36:00,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20571 states to 20571 states and 28729 transitions. [2022-11-16 11:36:00,500 INFO L78 Accepts]: Start accepts. Automaton has 20571 states and 28729 transitions. Word has length 404 [2022-11-16 11:36:00,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:36:00,501 INFO L495 AbstractCegarLoop]: Abstraction has 20571 states and 28729 transitions. [2022-11-16 11:36:00,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-16 11:36:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 20571 states and 28729 transitions. [2022-11-16 11:36:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-11-16 11:36:00,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:36:00,516 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 31, 31, 31, 31, 31, 31, 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] [2022-11-16 11:36:00,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:36:00,517 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:36:00,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:36:00,517 INFO L85 PathProgramCache]: Analyzing trace with hash 505617428, now seen corresponding path program 1 times [2022-11-16 11:36:00,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:36:00,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050581029] [2022-11-16 11:36:00,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:00,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:36:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:36:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:36:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:36:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:36:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:36:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:36:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:36:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:36:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:36:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:36:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:36:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:36:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:36:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:36:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:36:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:36:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:36:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:36:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:36:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:36:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:36:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:36:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:36:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:36:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:36:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 11:36:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 11:36:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-16 11:36:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:36:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 11:36:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 11:36:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-16 11:36:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-11-16 11:36:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-16 11:36:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-11-16 11:36:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-11-16 11:36:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-11-16 11:36:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4383 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4374 trivial. 0 not checked. [2022-11-16 11:36:02,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:36:02,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050581029] [2022-11-16 11:36:02,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050581029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:36:02,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:36:02,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:36:02,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830663716] [2022-11-16 11:36:02,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:36:02,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:36:02,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:36:02,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:36:02,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:36:02,504 INFO L87 Difference]: Start difference. First operand 20571 states and 28729 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-16 11:36:04,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:06,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:20,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:22,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:26,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:36:26,426 INFO L93 Difference]: Finished difference Result 58754 states and 82473 transitions. [2022-11-16 11:36:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:36:26,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2022-11-16 11:36:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:36:26,582 INFO L225 Difference]: With dead ends: 58754 [2022-11-16 11:36:26,582 INFO L226 Difference]: Without dead ends: 38250 [2022-11-16 11:36:26,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:36:26,633 INFO L413 NwaCegarLoop]: 6740 mSDtfsCounter, 5566 mSDsluCounter, 7510 mSDsCounter, 0 mSdLazyCounter, 4153 mSolverCounterSat, 1351 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6098 SdHoareTripleChecker+Valid, 14250 SdHoareTripleChecker+Invalid, 5508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1351 IncrementalHoareTripleChecker+Valid, 4153 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:36:26,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6098 Valid, 14250 Invalid, 5508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1351 Valid, 4153 Invalid, 4 Unknown, 0 Unchecked, 22.3s Time] [2022-11-16 11:36:26,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38250 states. [2022-11-16 11:36:27,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38250 to 35052. [2022-11-16 11:36:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35052 states, 26114 states have (on average 1.3406218886421077) internal successors, (35009), 26327 states have internal predecessors, (35009), 6920 states have call successors, (6920), 2017 states have call predecessors, (6920), 2017 states have return successors, (6920), 6815 states have call predecessors, (6920), 6920 states have call successors, (6920) [2022-11-16 11:36:28,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35052 states to 35052 states and 48849 transitions. [2022-11-16 11:36:28,077 INFO L78 Accepts]: Start accepts. Automaton has 35052 states and 48849 transitions. Word has length 430 [2022-11-16 11:36:28,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:36:28,078 INFO L495 AbstractCegarLoop]: Abstraction has 35052 states and 48849 transitions. [2022-11-16 11:36:28,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-16 11:36:28,078 INFO L276 IsEmpty]: Start isEmpty. Operand 35052 states and 48849 transitions. [2022-11-16 11:36:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-11-16 11:36:28,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:36:28,096 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 32, 32, 32, 32, 32, 32, 4, 4, 4, 3, 3, 3, 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] [2022-11-16 11:36:28,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:36:28,097 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:36:28,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:36:28,097 INFO L85 PathProgramCache]: Analyzing trace with hash 367779953, now seen corresponding path program 1 times [2022-11-16 11:36:28,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:36:28,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253386430] [2022-11-16 11:36:28,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:36:28,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:36:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:36:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:36:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:36:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:36:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:36:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:36:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:36:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:36:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:36:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:36:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:36:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:36:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:36:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:36:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:36:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:36:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:36:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:36:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:36:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:36:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:36:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:36:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:36:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:36:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:36:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 11:36:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 11:36:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-16 11:36:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:36:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 11:36:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 11:36:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-16 11:36:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 11:36:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-16 11:36:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-11-16 11:36:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-16 11:36:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-11-16 11:36:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-16 11:36:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:36:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-11-16 11:36:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-11-16 11:36:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-16 11:36:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-11-16 11:36:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-11-16 11:36:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:36:30,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5022 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4998 trivial. 0 not checked. [2022-11-16 11:36:30,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:36:30,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253386430] [2022-11-16 11:36:30,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253386430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:36:30,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:36:30,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:36:30,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481750768] [2022-11-16 11:36:30,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:36:30,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:36:30,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:36:30,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:36:30,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:36:30,221 INFO L87 Difference]: Start difference. First operand 35052 states and 48849 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-16 11:36:32,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:34,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:49,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:52,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:36:56,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:36:56,167 INFO L93 Difference]: Finished difference Result 107802 states and 151608 transitions. [2022-11-16 11:36:56,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:36:56,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 498 [2022-11-16 11:36:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:36:56,549 INFO L225 Difference]: With dead ends: 107802 [2022-11-16 11:36:56,549 INFO L226 Difference]: Without dead ends: 73550 [2022-11-16 11:36:56,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:36:56,662 INFO L413 NwaCegarLoop]: 7116 mSDtfsCounter, 5215 mSDsluCounter, 7838 mSDsCounter, 0 mSdLazyCounter, 4561 mSolverCounterSat, 1219 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5735 SdHoareTripleChecker+Valid, 14954 SdHoareTripleChecker+Invalid, 5784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1219 IncrementalHoareTripleChecker+Valid, 4561 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:36:56,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5735 Valid, 14954 Invalid, 5784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1219 Valid, 4561 Invalid, 4 Unknown, 0 Unchecked, 23.0s Time] [2022-11-16 11:36:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73550 states. [2022-11-16 11:37:00,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73550 to 67262. [2022-11-16 11:37:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67262 states, 50252 states have (on average 1.3434092175435803) internal successors, (67509), 50621 states have internal predecessors, (67509), 13166 states have call successors, (13166), 3843 states have call predecessors, (13166), 3843 states have return successors, (13166), 12997 states have call predecessors, (13166), 13166 states have call successors, (13166) [2022-11-16 11:37:00,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67262 states to 67262 states and 93841 transitions. [2022-11-16 11:37:00,457 INFO L78 Accepts]: Start accepts. Automaton has 67262 states and 93841 transitions. Word has length 498 [2022-11-16 11:37:00,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:00,458 INFO L495 AbstractCegarLoop]: Abstraction has 67262 states and 93841 transitions. [2022-11-16 11:37:00,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-16 11:37:00,458 INFO L276 IsEmpty]: Start isEmpty. Operand 67262 states and 93841 transitions. [2022-11-16 11:37:00,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2022-11-16 11:37:00,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:00,481 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 32, 32, 32, 32, 32, 32, 4, 4, 4, 3, 3, 3, 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] [2022-11-16 11:37:00,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:37:00,482 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:00,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:00,482 INFO L85 PathProgramCache]: Analyzing trace with hash 569603887, now seen corresponding path program 1 times [2022-11-16 11:37:00,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:00,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136501137] [2022-11-16 11:37:00,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:00,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:37:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:37:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:37:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:37:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:37:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:37:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:37:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:37:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:37:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:37:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:37:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:37:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:37:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:37:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:37:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:37:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:37:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:37:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:37:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:37:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:37:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:37:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:37:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:37:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:37:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 11:37:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 11:37:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-16 11:37:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:37:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 11:37:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 11:37:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-16 11:37:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 11:37:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-16 11:37:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-11-16 11:37:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-16 11:37:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-11-16 11:37:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-16 11:37:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-11-16 11:37:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-11-16 11:37:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-11-16 11:37:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-11-16 11:37:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-11-16 11:37:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5022 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4998 trivial. 0 not checked. [2022-11-16 11:37:03,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:03,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136501137] [2022-11-16 11:37:03,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136501137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:03,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:03,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:37:03,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045534545] [2022-11-16 11:37:03,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:03,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:37:03,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:03,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:37:03,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:37:03,141 INFO L87 Difference]: Start difference. First operand 67262 states and 93841 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-16 11:37:05,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:07,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:10,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:14,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:25,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:27,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:31,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:31,983 INFO L93 Difference]: Finished difference Result 175336 states and 246440 transitions. [2022-11-16 11:37:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:37:31,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 498 [2022-11-16 11:37:31,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:32,485 INFO L225 Difference]: With dead ends: 175336 [2022-11-16 11:37:32,486 INFO L226 Difference]: Without dead ends: 107812 [2022-11-16 11:37:32,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:37:32,993 INFO L413 NwaCegarLoop]: 7162 mSDtfsCounter, 5198 mSDsluCounter, 7877 mSDsCounter, 0 mSdLazyCounter, 4564 mSolverCounterSat, 1215 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5710 SdHoareTripleChecker+Valid, 15039 SdHoareTripleChecker+Invalid, 5783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1215 IncrementalHoareTripleChecker+Valid, 4564 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:32,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5710 Valid, 15039 Invalid, 5783 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1215 Valid, 4564 Invalid, 4 Unknown, 0 Unchecked, 24.2s Time] [2022-11-16 11:37:33,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107812 states. [2022-11-16 11:37:37,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107812 to 98438. [2022-11-16 11:37:37,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98438 states, 73564 states have (on average 1.345617421564896) internal successors, (98989), 74086 states have internal predecessors, (98989), 19257 states have call successors, (19257), 5616 states have call predecessors, (19257), 5616 states have return successors, (19257), 19026 states have call predecessors, (19257), 19257 states have call successors, (19257) [2022-11-16 11:37:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98438 states to 98438 states and 137503 transitions. [2022-11-16 11:37:38,610 INFO L78 Accepts]: Start accepts. Automaton has 98438 states and 137503 transitions. Word has length 498 [2022-11-16 11:37:38,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:38,611 INFO L495 AbstractCegarLoop]: Abstraction has 98438 states and 137503 transitions. [2022-11-16 11:37:38,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-11-16 11:37:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 98438 states and 137503 transitions. [2022-11-16 11:37:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-11-16 11:37:38,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:38,642 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 32, 32, 32, 32, 32, 32, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:38,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:37:38,643 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:38,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:38,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1815125835, now seen corresponding path program 1 times [2022-11-16 11:37:38,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:38,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543127144] [2022-11-16 11:37:38,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:38,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:37:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:37:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:37:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:37:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:37:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:37:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:37:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:37:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:37:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:37:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:37:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:37:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:37:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:37:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:37:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:37:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:37:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:37:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:37:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:37:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:37:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:37:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:37:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:37:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:37:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 11:37:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 11:37:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-16 11:37:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:37:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 11:37:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 11:37:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-16 11:37:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 11:37:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-16 11:37:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-11-16 11:37:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-16 11:37:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-11-16 11:37:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:40,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-16 11:37:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-16 11:37:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:37:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-16 11:37:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-11-16 11:37:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-11-16 11:37:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-16 11:37:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-11-16 11:37:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-11-16 11:37:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-11-16 11:37:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-11-16 11:37:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:41,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5029 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5017 trivial. 0 not checked. [2022-11-16 11:37:41,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:41,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543127144] [2022-11-16 11:37:41,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543127144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:41,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:41,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:37:41,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059335805] [2022-11-16 11:37:41,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:41,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:37:41,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:41,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:37:41,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:37:41,135 INFO L87 Difference]: Start difference. First operand 98438 states and 137503 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-16 11:37:43,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:45,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:37:59,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:38:05,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:05,408 INFO L93 Difference]: Finished difference Result 241567 states and 337186 transitions. [2022-11-16 11:38:05,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:38:05,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 531 [2022-11-16 11:38:05,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:06,074 INFO L225 Difference]: With dead ends: 241567 [2022-11-16 11:38:06,074 INFO L226 Difference]: Without dead ends: 143929 [2022-11-16 11:38:06,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:38:06,318 INFO L413 NwaCegarLoop]: 5307 mSDtfsCounter, 5046 mSDsluCounter, 5209 mSDsCounter, 0 mSdLazyCounter, 3762 mSolverCounterSat, 1168 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5546 SdHoareTripleChecker+Valid, 10516 SdHoareTripleChecker+Invalid, 4933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1168 IncrementalHoareTripleChecker+Valid, 3762 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:06,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5546 Valid, 10516 Invalid, 4933 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1168 Valid, 3762 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2022-11-16 11:38:06,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143929 states. [2022-11-16 11:38:12,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143929 to 131986. [2022-11-16 11:38:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131986 states, 97821 states have (on average 1.3310229909733085) internal successors, (130202), 98523 states have internal predecessors, (130202), 26046 states have call successors, (26046), 8118 states have call predecessors, (26046), 8118 states have return successors, (26046), 25748 states have call predecessors, (26046), 26046 states have call successors, (26046) [2022-11-16 11:38:13,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131986 states to 131986 states and 182294 transitions. [2022-11-16 11:38:13,435 INFO L78 Accepts]: Start accepts. Automaton has 131986 states and 182294 transitions. Word has length 531 [2022-11-16 11:38:13,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:13,437 INFO L495 AbstractCegarLoop]: Abstraction has 131986 states and 182294 transitions. [2022-11-16 11:38:13,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-11-16 11:38:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 131986 states and 182294 transitions. [2022-11-16 11:38:13,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2022-11-16 11:38:13,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:13,470 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 32, 32, 32, 32, 32, 32, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 11:38:13,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:38:13,470 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:13,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:13,471 INFO L85 PathProgramCache]: Analyzing trace with hash 124297728, now seen corresponding path program 1 times [2022-11-16 11:38:13,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:13,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516969264] [2022-11-16 11:38:13,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:13,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:38:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:38:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:38:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:38:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:38:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:38:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:38:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:38:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:38:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:38:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:38:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:38:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:38:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:38:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:38:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:38:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:38:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-16 11:38:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:38:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-16 11:38:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-16 11:38:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-16 11:38:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-16 11:38:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-16 11:38:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-16 11:38:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-16 11:38:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-16 11:38:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-16 11:38:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-16 11:38:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-16 11:38:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-16 11:38:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-11-16 11:38:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-11-16 11:38:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-11-16 11:38:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-11-16 11:38:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-16 11:38:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-11-16 11:38:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-11-16 11:38:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:38:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-11-16 11:38:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-11-16 11:38:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-11-16 11:38:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-11-16 11:38:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-11-16 11:38:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-11-16 11:38:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-11-16 11:38:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-11-16 11:38:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 5258 trivial. 0 not checked. [2022-11-16 11:38:15,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:15,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516969264] [2022-11-16 11:38:15,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516969264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:15,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:15,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:38:15,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239272595] [2022-11-16 11:38:15,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:15,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:38:15,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:15,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:38:15,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:38:15,724 INFO L87 Difference]: Start difference. First operand 131986 states and 182294 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-11-16 11:38:17,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:38:19,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:38:23,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:38:35,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:38:45,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:45,327 INFO L93 Difference]: Finished difference Result 321854 states and 446987 transitions. [2022-11-16 11:38:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:38:45,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 532 [2022-11-16 11:38:45,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:46,121 INFO L225 Difference]: With dead ends: 321854 [2022-11-16 11:38:46,121 INFO L226 Difference]: Without dead ends: 189670 [2022-11-16 11:38:46,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:38:46,692 INFO L413 NwaCegarLoop]: 7072 mSDtfsCounter, 5209 mSDsluCounter, 7812 mSDsCounter, 0 mSdLazyCounter, 4532 mSolverCounterSat, 1224 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5718 SdHoareTripleChecker+Valid, 14884 SdHoareTripleChecker+Invalid, 5759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1224 IncrementalHoareTripleChecker+Valid, 4532 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:46,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5718 Valid, 14884 Invalid, 5759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1224 Valid, 4532 Invalid, 3 Unknown, 0 Unchecked, 21.5s Time] [2022-11-16 11:38:46,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189670 states.