./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --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 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:50:24,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:50:24,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 06:50:24,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:50:24,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:50:24,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:50:24,603 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:50:24,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:50:24,604 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:50:24,605 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:50:24,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:50:24,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:50:24,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:50:24,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:50:24,608 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:50:24,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:50:24,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:50:24,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:50:24,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:50:24,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:50:24,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:50:24,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:50:24,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:50:24,613 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:50:24,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:50:24,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:50:24,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:50:24,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:50:24,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:50:24,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:50:24,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:50:24,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:50:24,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:50:24,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:50:24,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:50:24,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:50:24,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:50:24,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:50:24,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:50:24,619 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2023-11-29 06:50:24,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:50:24,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:50:24,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:50:24,912 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:50:24,913 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:50:24,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-29 06:50:27,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:50:28,248 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:50:28,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-29 06:50:28,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/data/d73bd4a57/15c2c1951e024978877117fff34c82cb/FLAGd0758b094 [2023-11-29 06:50:28,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/data/d73bd4a57/15c2c1951e024978877117fff34c82cb [2023-11-29 06:50:28,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:50:28,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:50:28,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:50:28,301 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:50:28,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:50:28,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:28" (1/1) ... [2023-11-29 06:50:28,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7228b062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:28, skipping insertion in model container [2023-11-29 06:50:28,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:28" (1/1) ... [2023-11-29 06:50:28,397 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:50:29,560 WARN L240 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_df59806b-9b87-4697-9795-14e0fda70835/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2023-11-29 06:50:29,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:50:29,619 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:50:29,879 WARN L240 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_df59806b-9b87-4697-9795-14e0fda70835/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i[185985,185998] [2023-11-29 06:50:29,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:50:29,988 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:50:29,994 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:50:29,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29 WrapperNode [2023-11-29 06:50:29,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:50:29,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:50:29,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:50:29,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:50:30,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,184 INFO L138 Inliner]: procedures = 159, calls = 1260, calls flagged for inlining = 71, calls inlined = 71, statements flattened = 3429 [2023-11-29 06:50:30,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:50:30,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:50:30,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:50:30,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:50:30,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,221 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,459 INFO L175 MemorySlicer]: Split 634 memory accesses to 25 slices as follows [2, 8, 83, 38, 4, 10, 8, 20, 4, 4, 3, 213, 16, 16, 32, 2, 8, 29, 29, 11, 25, 2, 60, 5, 2]. 34 percent of accesses are in the largest equivalence class. The 146 initializations are split as follows [2, 0, 8, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 7, 32, 2, 8, 29, 0, 0, 0, 0, 56, 0, 0]. The 251 writes are split as follows [0, 6, 41, 36, 2, 5, 5, 17, 2, 2, 0, 89, 10, 9, 0, 0, 0, 0, 0, 6, 17, 1, 0, 2, 1]. [2023-11-29 06:50:30,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:50:30,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:50:30,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:50:30,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:50:30,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (1/1) ... [2023-11-29 06:50:30,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:50:30,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:50:30,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:50:30,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:50:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2023-11-29 06:50:30,734 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2023-11-29 06:50:30,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 06:50:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 06:50:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 06:50:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 06:50:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 06:50:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 06:50:30,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 06:50:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 06:50:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 06:50:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 06:50:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 06:50:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 06:50:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 06:50:30,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 06:50:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 06:50:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 06:50:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 06:50:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 06:50:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 06:50:30,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 06:50:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 06:50:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 06:50:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-29 06:50:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-29 06:50:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-29 06:50:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 06:50:30,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 06:50:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 06:50:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 06:50:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 06:50:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 06:50:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 06:50:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 06:50:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 06:50:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 06:50:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 06:50:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 06:50:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 06:50:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 06:50:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 06:50:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 06:50:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 06:50:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 06:50:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 06:50:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 06:50:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 06:50:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 06:50:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-29 06:50:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-29 06:50:30,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-29 06:50:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 06:50:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 06:50:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 06:50:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 06:50:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 06:50:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 06:50:30,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 06:50:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 06:50:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 06:50:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 06:50:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 06:50:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 06:50:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 06:50:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 06:50:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 06:50:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 06:50:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 06:50:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 06:50:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 06:50:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 06:50:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 06:50:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 06:50:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-29 06:50:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-29 06:50:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-29 06:50:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 06:50:30,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 06:50:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:50:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:50:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 06:50:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 06:50:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 06:50:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 06:50:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 06:50:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 06:50:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 06:50:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 06:50:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 06:50:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 06:50:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 06:50:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 06:50:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 06:50:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 06:50:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 06:50:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 06:50:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 06:50:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 06:50:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 06:50:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 06:50:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-29 06:50:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-29 06:50:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-29 06:50:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 06:50:30,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 06:50:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2023-11-29 06:50:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2023-11-29 06:50:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2023-11-29 06:50:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2023-11-29 06:50:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2023-11-29 06:50:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2023-11-29 06:50:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2023-11-29 06:50:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2023-11-29 06:50:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-29 06:50:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-29 06:50:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-29 06:50:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-29 06:50:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-29 06:50:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-29 06:50:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-29 06:50:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-29 06:50:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-29 06:50:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-29 06:50:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-29 06:50:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-29 06:50:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-29 06:50:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-29 06:50:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-29 06:50:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-29 06:50:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-29 06:50:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-29 06:50:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-29 06:50:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-29 06:50:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2023-11-29 06:50:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2023-11-29 06:50:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2023-11-29 06:50:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2023-11-29 06:50:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2023-11-29 06:50:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-29 06:50:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-29 06:50:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-29 06:50:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-29 06:50:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-29 06:50:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-29 06:50:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-29 06:50:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-29 06:50:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-29 06:50:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-29 06:50:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-29 06:50:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-29 06:50:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-29 06:50:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-29 06:50:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-29 06:50:30,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-29 06:50:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-29 06:50:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-29 06:50:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-29 06:50:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-29 06:50:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2023-11-29 06:50:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2023-11-29 06:50:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2023-11-29 06:50:30,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2023-11-29 06:50:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2023-11-29 06:50:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-29 06:50:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-29 06:50:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 06:50:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 06:50:30,756 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2023-11-29 06:50:30,756 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2023-11-29 06:50:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2023-11-29 06:50:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2023-11-29 06:50:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-11-29 06:50:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-11-29 06:50:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-29 06:50:30,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-29 06:50:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-29 06:50:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-29 06:50:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2023-11-29 06:50:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2023-11-29 06:50:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:50:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:50:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 06:50:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 06:50:30,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 06:50:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 06:50:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 06:50:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 06:50:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 06:50:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 06:50:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 06:50:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 06:50:30,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 06:50:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 06:50:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 06:50:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 06:50:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 06:50:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 06:50:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 06:50:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 06:50:30,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 06:50:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 06:50:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-29 06:50:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-29 06:50:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-29 06:50:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-29 06:50:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-29 06:50:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-29 06:50:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-29 06:50:30,761 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-29 06:50:30,761 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-29 06:50:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 06:50:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 06:50:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2023-11-29 06:50:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2023-11-29 06:50:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2023-11-29 06:50:30,762 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2023-11-29 06:50:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 06:50:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 06:50:30,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 06:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 06:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 06:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 06:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 06:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 06:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 06:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 06:50:30,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 06:50:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 06:50:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 06:50:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 06:50:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 06:50:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 06:50:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 06:50:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 06:50:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 06:50:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 06:50:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 06:50:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 06:50:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-29 06:50:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-29 06:50:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-29 06:50:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 06:50:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 06:50:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 06:50:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 06:50:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 06:50:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 06:50:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 06:50:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 06:50:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 06:50:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 06:50:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 06:50:30,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 06:50:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 06:50:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 06:50:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 06:50:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 06:50:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 06:50:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 06:50:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 06:50:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 06:50:30,767 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 06:50:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 06:50:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-29 06:50:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-29 06:50:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-29 06:50:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2023-11-29 06:50:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2023-11-29 06:50:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-29 06:50:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-29 06:50:30,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:50:30,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:50:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:50:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2023-11-29 06:50:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2023-11-29 06:50:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2023-11-29 06:50:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2023-11-29 06:50:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2023-11-29 06:50:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2023-11-29 06:50:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2023-11-29 06:50:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2023-11-29 06:50:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:50:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-29 06:50:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-29 06:50:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 06:50:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 06:50:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 06:50:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 06:50:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 06:50:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 06:50:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 06:50:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 06:50:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 06:50:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 06:50:30,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 06:50:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 06:50:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 06:50:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 06:50:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 06:50:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 06:50:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 06:50:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 06:50:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 06:50:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 06:50:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 06:50:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 06:50:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-29 06:50:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-29 06:50:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-29 06:50:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2023-11-29 06:50:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2023-11-29 06:50:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:50:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2023-11-29 06:50:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2023-11-29 06:50:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-29 06:50:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-29 06:50:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2023-11-29 06:50:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2023-11-29 06:50:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2023-11-29 06:50:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2023-11-29 06:50:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2023-11-29 06:50:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2023-11-29 06:50:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2023-11-29 06:50:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2023-11-29 06:50:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 06:50:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 06:50:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 06:50:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-29 06:50:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-29 06:50:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-29 06:50:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-29 06:50:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-29 06:50:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:50:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 06:50:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 06:50:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 06:50:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 06:50:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 06:50:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 06:50:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2023-11-29 06:50:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2023-11-29 06:50:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-29 06:50:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-29 06:50:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2023-11-29 06:50:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2023-11-29 06:50:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 06:50:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 06:50:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-11-29 06:50:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-11-29 06:50:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-29 06:50:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-29 06:50:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-29 06:50:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-29 06:50:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-29 06:50:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-29 06:50:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:50:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:50:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 06:50:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 06:50:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 06:50:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 06:50:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 06:50:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 06:50:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 06:50:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 06:50:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 06:50:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 06:50:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 06:50:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 06:50:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 06:50:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 06:50:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 06:50:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 06:50:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 06:50:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 06:50:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 06:50:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 06:50:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-29 06:50:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-29 06:50:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-29 06:50:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2023-11-29 06:50:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2023-11-29 06:50:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2023-11-29 06:50:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2023-11-29 06:50:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2023-11-29 06:50:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2023-11-29 06:50:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2023-11-29 06:50:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2023-11-29 06:50:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2023-11-29 06:50:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2023-11-29 06:50:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2023-11-29 06:50:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2023-11-29 06:50:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 06:50:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 06:50:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 06:50:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 06:50:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 06:50:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 06:50:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 06:50:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 06:50:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 06:50:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 06:50:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 06:50:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 06:50:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 06:50:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 06:50:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 06:50:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 06:50:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 06:50:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 06:50:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 06:50:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 06:50:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 06:50:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-29 06:50:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-29 06:50:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-29 06:50:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-29 06:50:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-29 06:50:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:50:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:50:31,637 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:50:31,643 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:50:32,741 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 06:50:38,877 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:50:39,116 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:50:39,116 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:50:39,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:39 BoogieIcfgContainer [2023-11-29 06:50:39,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:50:39,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:50:39,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:50:39,125 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:50:39,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:50:28" (1/3) ... [2023-11-29 06:50:39,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dabbc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:39, skipping insertion in model container [2023-11-29 06:50:39,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:29" (2/3) ... [2023-11-29 06:50:39,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dabbc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:39, skipping insertion in model container [2023-11-29 06:50:39,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:39" (3/3) ... [2023-11-29 06:50:39,128 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-064368f-1-111_1a-drivers--media--radio--si4713-i2c.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-29 06:50:39,151 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:50:39,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:50:39,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:50:39,243 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=LoopHeads, 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;@1aa34a38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:50:39,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:50:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 1135 states, 830 states have (on average 1.4831325301204819) internal successors, (1231), 846 states have internal predecessors, (1231), 249 states have call successors, (249), 55 states have call predecessors, (249), 54 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2023-11-29 06:50:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 06:50:39,285 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:39,286 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:39,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:39,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:39,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1975075292, now seen corresponding path program 1 times [2023-11-29 06:50:39,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:39,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017863701] [2023-11-29 06:50:39,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:39,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:50:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:50:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:50:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:50:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:50:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:50:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:50:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:50:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:50:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:50:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:50:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:50:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:40,033 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-29 06:50:40,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:40,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017863701] [2023-11-29 06:50:40,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017863701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:40,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:40,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:50:40,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459344657] [2023-11-29 06:50:40,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:40,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:50:40,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:40,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:50:40,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:50:40,102 INFO L87 Difference]: Start difference. First operand has 1135 states, 830 states have (on average 1.4831325301204819) internal successors, (1231), 846 states have internal predecessors, (1231), 249 states have call successors, (249), 55 states have call predecessors, (249), 54 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 06:50:47,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:50:47,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:50:47,929 INFO L93 Difference]: Finished difference Result 2382 states and 3652 transitions. [2023-11-29 06:50:47,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:50:47,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 81 [2023-11-29 06:50:47,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:50:47,956 INFO L225 Difference]: With dead ends: 2382 [2023-11-29 06:50:47,956 INFO L226 Difference]: Without dead ends: 1238 [2023-11-29 06:50:47,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:50:47,971 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 1477 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 973 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 2892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:50:47,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 1876 Invalid, 2892 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [973 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-29 06:50:47,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2023-11-29 06:50:48,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1124. [2023-11-29 06:50:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 828 states have (on average 1.464975845410628) internal successors, (1213), 835 states have internal predecessors, (1213), 241 states have call successors, (241), 54 states have call predecessors, (241), 54 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2023-11-29 06:50:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1695 transitions. [2023-11-29 06:50:48,136 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1695 transitions. Word has length 81 [2023-11-29 06:50:48,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:50:48,137 INFO L495 AbstractCegarLoop]: Abstraction has 1124 states and 1695 transitions. [2023-11-29 06:50:48,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 06:50:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1695 transitions. [2023-11-29 06:50:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-29 06:50:48,145 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:50:48,146 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:48,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:50:48,146 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:50:48,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:48,147 INFO L85 PathProgramCache]: Analyzing trace with hash 781134046, now seen corresponding path program 1 times [2023-11-29 06:50:48,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:48,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90533666] [2023-11-29 06:50:48,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:48,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:50:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:50:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:50:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:50:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:50:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:50:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:50:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:50:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:50:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:50:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 06:50:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:50:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-29 06:50:48,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:48,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90533666] [2023-11-29 06:50:48,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90533666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:48,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:48,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:50:48,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119529182] [2023-11-29 06:50:48,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:48,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:50:48,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:48,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:50:48,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:50:48,546 INFO L87 Difference]: Start difference. First operand 1124 states and 1695 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 06:50:55,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:50:56,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:00,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:00,185 INFO L93 Difference]: Finished difference Result 2869 states and 4314 transitions. [2023-11-29 06:51:00,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:51:00,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 81 [2023-11-29 06:51:00,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:00,205 INFO L225 Difference]: With dead ends: 2869 [2023-11-29 06:51:00,206 INFO L226 Difference]: Without dead ends: 1757 [2023-11-29 06:51:00,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:51:00,216 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 2364 mSDsluCounter, 2161 mSDsCounter, 0 mSdLazyCounter, 3399 mSolverCounterSat, 1089 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 2970 SdHoareTripleChecker+Invalid, 4488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1089 IncrementalHoareTripleChecker+Valid, 3399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:00,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 2970 Invalid, 4488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1089 Valid, 3399 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2023-11-29 06:51:00,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2023-11-29 06:51:00,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1608. [2023-11-29 06:51:00,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1608 states, 1177 states have (on average 1.4528462192013594) internal successors, (1710), 1189 states have internal predecessors, (1710), 345 states have call successors, (345), 85 states have call predecessors, (345), 85 states have return successors, (345), 344 states have call predecessors, (345), 345 states have call successors, (345) [2023-11-29 06:51:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1608 states and 2400 transitions. [2023-11-29 06:51:00,370 INFO L78 Accepts]: Start accepts. Automaton has 1608 states and 2400 transitions. Word has length 81 [2023-11-29 06:51:00,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:00,371 INFO L495 AbstractCegarLoop]: Abstraction has 1608 states and 2400 transitions. [2023-11-29 06:51:00,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 06:51:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2400 transitions. [2023-11-29 06:51:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-29 06:51:00,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:00,384 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:51:00,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:51:00,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:00,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1472949192, now seen corresponding path program 1 times [2023-11-29 06:51:00,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:00,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090043981] [2023-11-29 06:51:00,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:00,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:51:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:51:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:51:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:51:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:51:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:51:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:51:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:51:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:51:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:51:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:51:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:51:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 06:51:02,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:02,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090043981] [2023-11-29 06:51:02,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090043981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:02,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:02,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 06:51:02,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831635848] [2023-11-29 06:51:02,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:02,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:51:02,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:02,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:51:02,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:51:02,282 INFO L87 Difference]: Start difference. First operand 1608 states and 2400 transitions. Second operand has 11 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:51:10,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:12,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:16,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:19,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:20,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:25,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:25,174 INFO L93 Difference]: Finished difference Result 3370 states and 5048 transitions. [2023-11-29 06:51:25,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:51:25,174 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 189 [2023-11-29 06:51:25,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:25,188 INFO L225 Difference]: With dead ends: 3370 [2023-11-29 06:51:25,189 INFO L226 Difference]: Without dead ends: 1774 [2023-11-29 06:51:25,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:51:25,197 INFO L413 NwaCegarLoop]: 798 mSDtfsCounter, 1286 mSDsluCounter, 4542 mSDsCounter, 0 mSdLazyCounter, 7888 mSolverCounterSat, 674 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 5340 SdHoareTripleChecker+Invalid, 8562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 674 IncrementalHoareTripleChecker+Valid, 7888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:25,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 5340 Invalid, 8562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [674 Valid, 7888 Invalid, 0 Unknown, 0 Unchecked, 22.5s Time] [2023-11-29 06:51:25,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2023-11-29 06:51:25,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1613. [2023-11-29 06:51:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1613 states, 1181 states have (on average 1.4521591871295512) internal successors, (1715), 1193 states have internal predecessors, (1715), 345 states have call successors, (345), 85 states have call predecessors, (345), 86 states have return successors, (348), 345 states have call predecessors, (348), 345 states have call successors, (348) [2023-11-29 06:51:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1613 states and 2408 transitions. [2023-11-29 06:51:25,307 INFO L78 Accepts]: Start accepts. Automaton has 1613 states and 2408 transitions. Word has length 189 [2023-11-29 06:51:25,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:25,309 INFO L495 AbstractCegarLoop]: Abstraction has 1613 states and 2408 transitions. [2023-11-29 06:51:25,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:51:25,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2408 transitions. [2023-11-29 06:51:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 06:51:25,315 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:25,316 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:51:25,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:51:25,316 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:25,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:25,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1961100580, now seen corresponding path program 1 times [2023-11-29 06:51:25,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:25,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837046548] [2023-11-29 06:51:25,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:25,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:51:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:51:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:51:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:51:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:51:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:51:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:51:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:51:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:51:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:51:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:51:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 06:51:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 06:51:26,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:26,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837046548] [2023-11-29 06:51:26,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837046548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:26,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:26,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 06:51:26,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427442025] [2023-11-29 06:51:26,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:26,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:51:26,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:26,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:51:26,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:51:26,406 INFO L87 Difference]: Start difference. First operand 1613 states and 2408 transitions. Second operand has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:51:36,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:37,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:41,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:44,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:46,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:48,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:51:53,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:51:53,112 INFO L93 Difference]: Finished difference Result 3367 states and 5040 transitions. [2023-11-29 06:51:53,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:51:53,113 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 190 [2023-11-29 06:51:53,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:51:53,124 INFO L225 Difference]: With dead ends: 3367 [2023-11-29 06:51:53,124 INFO L226 Difference]: Without dead ends: 1766 [2023-11-29 06:51:53,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:51:53,131 INFO L413 NwaCegarLoop]: 798 mSDtfsCounter, 1277 mSDsluCounter, 5218 mSDsCounter, 0 mSdLazyCounter, 8957 mSolverCounterSat, 660 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 6016 SdHoareTripleChecker+Invalid, 9618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 8957 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:51:53,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 6016 Invalid, 9618 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [660 Valid, 8957 Invalid, 1 Unknown, 0 Unchecked, 26.3s Time] [2023-11-29 06:51:53,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2023-11-29 06:51:53,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1614. [2023-11-29 06:51:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1182 states have (on average 1.4517766497461928) internal successors, (1716), 1194 states have internal predecessors, (1716), 345 states have call successors, (345), 85 states have call predecessors, (345), 86 states have return successors, (348), 345 states have call predecessors, (348), 345 states have call successors, (348) [2023-11-29 06:51:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2409 transitions. [2023-11-29 06:51:53,205 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2409 transitions. Word has length 190 [2023-11-29 06:51:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:51:53,207 INFO L495 AbstractCegarLoop]: Abstraction has 1614 states and 2409 transitions. [2023-11-29 06:51:53,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:51:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2409 transitions. [2023-11-29 06:51:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 06:51:53,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:51:53,214 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:51:53,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:51:53,214 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:51:53,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:53,215 INFO L85 PathProgramCache]: Analyzing trace with hash -788757634, now seen corresponding path program 1 times [2023-11-29 06:51:53,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:53,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365950029] [2023-11-29 06:51:53,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:53,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:51:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:51:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:51:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:51:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:51:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:51:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:51:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:51:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:51:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:51:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:51:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:51:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:51:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 06:51:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 06:51:54,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:54,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365950029] [2023-11-29 06:51:54,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365950029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:54,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:54,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 06:51:54,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81590219] [2023-11-29 06:51:54,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:54,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:51:54,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:54,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:51:54,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:51:54,561 INFO L87 Difference]: Start difference. First operand 1614 states and 2409 transitions. Second operand has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:52:03,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:05,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:09,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:12,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:17,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:17,357 INFO L93 Difference]: Finished difference Result 3384 states and 5070 transitions. [2023-11-29 06:52:17,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:52:17,357 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 190 [2023-11-29 06:52:17,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:17,368 INFO L225 Difference]: With dead ends: 3384 [2023-11-29 06:52:17,368 INFO L226 Difference]: Without dead ends: 1782 [2023-11-29 06:52:17,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:52:17,374 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 1575 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 8535 mSolverCounterSat, 979 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 9515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 979 IncrementalHoareTripleChecker+Valid, 8535 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:17,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 5500 Invalid, 9515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [979 Valid, 8535 Invalid, 1 Unknown, 0 Unchecked, 22.4s Time] [2023-11-29 06:52:17,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2023-11-29 06:52:17,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1619. [2023-11-29 06:52:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1186 states have (on average 1.451096121416526) internal successors, (1721), 1198 states have internal predecessors, (1721), 345 states have call successors, (345), 85 states have call predecessors, (345), 87 states have return successors, (351), 346 states have call predecessors, (351), 345 states have call successors, (351) [2023-11-29 06:52:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2417 transitions. [2023-11-29 06:52:17,479 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2417 transitions. Word has length 190 [2023-11-29 06:52:17,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:17,480 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2417 transitions. [2023-11-29 06:52:17,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.8) internal successors, (58), 9 states have internal predecessors, (58), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:52:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2417 transitions. [2023-11-29 06:52:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-29 06:52:17,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:17,490 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:52:17,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:52:17,490 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:52:17,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:17,491 INFO L85 PathProgramCache]: Analyzing trace with hash 567665710, now seen corresponding path program 1 times [2023-11-29 06:52:17,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:17,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086220500] [2023-11-29 06:52:17,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:17,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:52:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:52:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:52:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:52:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:52:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:52:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:52:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:52:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:52:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:52:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:52:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 06:52:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 06:52:19,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:19,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086220500] [2023-11-29 06:52:19,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086220500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:19,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:19,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 06:52:19,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084561817] [2023-11-29 06:52:19,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:19,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:52:19,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:19,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:52:19,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:52:19,062 INFO L87 Difference]: Start difference. First operand 1619 states and 2417 transitions. Second operand has 13 states, 11 states have (on average 5.363636363636363) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:52:29,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:30,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:34,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:35,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:36,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:38,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:43,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:52:43,910 INFO L93 Difference]: Finished difference Result 3381 states and 5062 transitions. [2023-11-29 06:52:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:52:43,910 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.363636363636363) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 191 [2023-11-29 06:52:43,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:52:43,921 INFO L225 Difference]: With dead ends: 3381 [2023-11-29 06:52:43,921 INFO L226 Difference]: Without dead ends: 1774 [2023-11-29 06:52:43,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:52:43,927 INFO L413 NwaCegarLoop]: 803 mSDtfsCounter, 1543 mSDsluCounter, 5968 mSDsCounter, 0 mSdLazyCounter, 10994 mSolverCounterSat, 952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 6771 SdHoareTripleChecker+Invalid, 11946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 952 IncrementalHoareTripleChecker+Valid, 10994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:52:43,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 6771 Invalid, 11946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [952 Valid, 10994 Invalid, 0 Unknown, 0 Unchecked, 24.4s Time] [2023-11-29 06:52:43,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2023-11-29 06:52:44,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1614. [2023-11-29 06:52:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1182 states have (on average 1.4517766497461928) internal successors, (1716), 1194 states have internal predecessors, (1716), 345 states have call successors, (345), 85 states have call predecessors, (345), 86 states have return successors, (348), 345 states have call predecessors, (348), 345 states have call successors, (348) [2023-11-29 06:52:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2409 transitions. [2023-11-29 06:52:44,027 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2409 transitions. Word has length 191 [2023-11-29 06:52:44,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:52:44,028 INFO L495 AbstractCegarLoop]: Abstraction has 1614 states and 2409 transitions. [2023-11-29 06:52:44,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.363636363636363) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:52:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2409 transitions. [2023-11-29 06:52:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-29 06:52:44,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:52:44,034 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:52:44,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:52:44,034 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:52:44,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:44,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1022156085, now seen corresponding path program 1 times [2023-11-29 06:52:44,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:44,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947595070] [2023-11-29 06:52:44,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:44,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:52:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:52:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:52:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:52:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:52:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:52:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:52:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:52:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:52:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:52:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:52:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:52:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:44,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:52:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 06:52:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 06:52:45,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:45,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947595070] [2023-11-29 06:52:45,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947595070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:45,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:45,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 06:52:45,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301599972] [2023-11-29 06:52:45,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:45,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:52:45,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:45,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:52:45,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:52:45,093 INFO L87 Difference]: Start difference. First operand 1614 states and 2409 transitions. Second operand has 12 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:52:54,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:57,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:52:59,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:01,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:03,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:07,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:12,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:12,266 INFO L93 Difference]: Finished difference Result 3384 states and 5070 transitions. [2023-11-29 06:53:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:53:12,267 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 191 [2023-11-29 06:53:12,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:12,277 INFO L225 Difference]: With dead ends: 3384 [2023-11-29 06:53:12,278 INFO L226 Difference]: Without dead ends: 1782 [2023-11-29 06:53:12,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:53:12,283 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1579 mSDsluCounter, 5316 mSDsCounter, 0 mSdLazyCounter, 9627 mSolverCounterSat, 973 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 6123 SdHoareTripleChecker+Invalid, 10601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 9627 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:12,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 6123 Invalid, 10601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [973 Valid, 9627 Invalid, 1 Unknown, 0 Unchecked, 26.8s Time] [2023-11-29 06:53:12,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2023-11-29 06:53:12,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1619. [2023-11-29 06:53:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1186 states have (on average 1.451096121416526) internal successors, (1721), 1198 states have internal predecessors, (1721), 345 states have call successors, (345), 85 states have call predecessors, (345), 87 states have return successors, (351), 346 states have call predecessors, (351), 345 states have call successors, (351) [2023-11-29 06:53:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2417 transitions. [2023-11-29 06:53:12,396 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2417 transitions. Word has length 191 [2023-11-29 06:53:12,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:12,397 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2417 transitions. [2023-11-29 06:53:12,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.9) internal successors, (59), 9 states have internal predecessors, (59), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:53:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2417 transitions. [2023-11-29 06:53:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-29 06:53:12,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:12,406 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:53:12,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:53:12,406 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:12,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:12,407 INFO L85 PathProgramCache]: Analyzing trace with hash 235287819, now seen corresponding path program 1 times [2023-11-29 06:53:12,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:12,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344032992] [2023-11-29 06:53:12,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:12,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:53:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:53:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:53:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:53:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:53:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:53:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:53:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:53:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:53:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:53:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 06:53:13,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:13,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344032992] [2023-11-29 06:53:13,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344032992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:13,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:13,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 06:53:13,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326193892] [2023-11-29 06:53:13,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:13,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:53:13,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:13,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:53:13,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:53:13,776 INFO L87 Difference]: Start difference. First operand 1619 states and 2417 transitions. Second operand has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:53:21,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:23,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:25,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:27,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:31,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:35,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:35,815 INFO L93 Difference]: Finished difference Result 3394 states and 5086 transitions. [2023-11-29 06:53:35,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:53:35,815 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 192 [2023-11-29 06:53:35,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:35,825 INFO L225 Difference]: With dead ends: 3394 [2023-11-29 06:53:35,826 INFO L226 Difference]: Without dead ends: 1787 [2023-11-29 06:53:35,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2023-11-29 06:53:35,831 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 1558 mSDsluCounter, 4723 mSDsCounter, 0 mSdLazyCounter, 8676 mSolverCounterSat, 967 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1597 SdHoareTripleChecker+Valid, 5532 SdHoareTripleChecker+Invalid, 9644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 967 IncrementalHoareTripleChecker+Valid, 8676 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:35,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1597 Valid, 5532 Invalid, 9644 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [967 Valid, 8676 Invalid, 1 Unknown, 0 Unchecked, 21.6s Time] [2023-11-29 06:53:35,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2023-11-29 06:53:35,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1619. [2023-11-29 06:53:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1186 states have (on average 1.451096121416526) internal successors, (1721), 1198 states have internal predecessors, (1721), 345 states have call successors, (345), 85 states have call predecessors, (345), 87 states have return successors, (351), 346 states have call predecessors, (351), 345 states have call successors, (351) [2023-11-29 06:53:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2417 transitions. [2023-11-29 06:53:35,896 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2417 transitions. Word has length 192 [2023-11-29 06:53:35,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:35,897 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2417 transitions. [2023-11-29 06:53:35,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:53:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2417 transitions. [2023-11-29 06:53:35,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-29 06:53:35,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:35,906 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:53:35,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:53:35,907 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:35,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:35,907 INFO L85 PathProgramCache]: Analyzing trace with hash 871416151, now seen corresponding path program 1 times [2023-11-29 06:53:35,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:35,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059202636] [2023-11-29 06:53:35,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:35,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:53:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:53:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:53:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:53:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:53:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:53:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:53:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:53:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:53:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:53:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-29 06:53:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 06:53:37,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:37,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059202636] [2023-11-29 06:53:37,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059202636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:37,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:37,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 06:53:37,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779657637] [2023-11-29 06:53:37,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:37,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:53:37,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:37,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:53:37,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:53:37,069 INFO L87 Difference]: Start difference. First operand 1619 states and 2417 transitions. Second operand has 13 states, 11 states have (on average 5.454545454545454) internal successors, (60), 10 states have internal predecessors, (60), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:53:45,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:48,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:50,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:51,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:53,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:53:58,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:58,529 INFO L93 Difference]: Finished difference Result 3386 states and 5070 transitions. [2023-11-29 06:53:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:53:58,530 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.454545454545454) internal successors, (60), 10 states have internal predecessors, (60), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 192 [2023-11-29 06:53:58,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:58,540 INFO L225 Difference]: With dead ends: 3386 [2023-11-29 06:53:58,541 INFO L226 Difference]: Without dead ends: 1779 [2023-11-29 06:53:58,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:53:58,546 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 1559 mSDsluCounter, 5376 mSDsCounter, 0 mSdLazyCounter, 9669 mSolverCounterSat, 961 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1597 SdHoareTripleChecker+Valid, 6178 SdHoareTripleChecker+Invalid, 10630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 961 IncrementalHoareTripleChecker+Valid, 9669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:58,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1597 Valid, 6178 Invalid, 10630 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [961 Valid, 9669 Invalid, 0 Unknown, 0 Unchecked, 21.0s Time] [2023-11-29 06:53:58,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2023-11-29 06:53:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1619. [2023-11-29 06:53:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1186 states have (on average 1.451096121416526) internal successors, (1721), 1198 states have internal predecessors, (1721), 345 states have call successors, (345), 85 states have call predecessors, (345), 87 states have return successors, (351), 346 states have call predecessors, (351), 345 states have call successors, (351) [2023-11-29 06:53:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2417 transitions. [2023-11-29 06:53:58,603 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2417 transitions. Word has length 192 [2023-11-29 06:53:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:58,603 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2417 transitions. [2023-11-29 06:53:58,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.454545454545454) internal successors, (60), 10 states have internal predecessors, (60), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:53:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2417 transitions. [2023-11-29 06:53:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-29 06:53:58,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:58,610 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:53:58,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:53:58,610 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:53:58,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:58,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2046663615, now seen corresponding path program 1 times [2023-11-29 06:53:58,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:58,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492301700] [2023-11-29 06:53:58,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:58,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:53:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:53:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:53:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:53:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:53:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:53:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:53:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:53:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:53:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:53:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:53:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:53:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:53:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 06:53:59,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:59,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492301700] [2023-11-29 06:53:59,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492301700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:59,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:59,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-29 06:53:59,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294823203] [2023-11-29 06:53:59,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:59,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:53:59,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:59,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:53:59,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:53:59,486 INFO L87 Difference]: Start difference. First operand 1619 states and 2417 transitions. Second operand has 13 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:54:08,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:12,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:13,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:17,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:19,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:22,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:27,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:54:27,647 INFO L93 Difference]: Finished difference Result 3381 states and 5062 transitions. [2023-11-29 06:54:27,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 06:54:27,647 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 193 [2023-11-29 06:54:27,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:54:27,657 INFO L225 Difference]: With dead ends: 3381 [2023-11-29 06:54:27,657 INFO L226 Difference]: Without dead ends: 1774 [2023-11-29 06:54:27,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2023-11-29 06:54:27,663 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 1329 mSDsluCounter, 5839 mSDsCounter, 0 mSdLazyCounter, 10111 mSolverCounterSat, 683 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 6643 SdHoareTripleChecker+Invalid, 10796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 683 IncrementalHoareTripleChecker+Valid, 10111 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:54:27,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 6643 Invalid, 10796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [683 Valid, 10111 Invalid, 2 Unknown, 0 Unchecked, 27.7s Time] [2023-11-29 06:54:27,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2023-11-29 06:54:27,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1614. [2023-11-29 06:54:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1182 states have (on average 1.4517766497461928) internal successors, (1716), 1194 states have internal predecessors, (1716), 345 states have call successors, (345), 85 states have call predecessors, (345), 86 states have return successors, (348), 345 states have call predecessors, (348), 345 states have call successors, (348) [2023-11-29 06:54:27,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2409 transitions. [2023-11-29 06:54:27,756 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2409 transitions. Word has length 193 [2023-11-29 06:54:27,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:54:27,756 INFO L495 AbstractCegarLoop]: Abstraction has 1614 states and 2409 transitions. [2023-11-29 06:54:27,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2023-11-29 06:54:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2409 transitions. [2023-11-29 06:54:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-29 06:54:27,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:54:27,767 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:54:27,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:54:27,767 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:54:27,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:54:27,768 INFO L85 PathProgramCache]: Analyzing trace with hash 521556642, now seen corresponding path program 1 times [2023-11-29 06:54:27,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:54:27,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759362792] [2023-11-29 06:54:27,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:54:27,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:54:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:54:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:54:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:54:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:54:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:54:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:54:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:54:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:54:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:54:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:54:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:54:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:54:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:54:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 06:54:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:54:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2023-11-29 06:54:29,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:54:29,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759362792] [2023-11-29 06:54:29,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759362792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:54:29,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:54:29,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 06:54:29,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032738162] [2023-11-29 06:54:29,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:54:29,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:54:29,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:54:29,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:54:29,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:54:29,108 INFO L87 Difference]: Start difference. First operand 1614 states and 2409 transitions. Second operand has 12 states, 10 states have (on average 6.5) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-29 06:54:40,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:41,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:44,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:48,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:50,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:54,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:54:58,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:02,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:10,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:10,027 INFO L93 Difference]: Finished difference Result 4378 states and 6513 transitions. [2023-11-29 06:55:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 06:55:10,027 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.5) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) Word has length 193 [2023-11-29 06:55:10,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:10,041 INFO L225 Difference]: With dead ends: 4378 [2023-11-29 06:55:10,041 INFO L226 Difference]: Without dead ends: 2776 [2023-11-29 06:55:10,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2023-11-29 06:55:10,046 INFO L413 NwaCegarLoop]: 907 mSDtfsCounter, 2212 mSDsluCounter, 6608 mSDsCounter, 0 mSdLazyCounter, 14009 mSolverCounterSat, 1000 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 7515 SdHoareTripleChecker+Invalid, 15012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1000 IncrementalHoareTripleChecker+Valid, 14009 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:10,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 7515 Invalid, 15012 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1000 Valid, 14009 Invalid, 3 Unknown, 0 Unchecked, 40.3s Time] [2023-11-29 06:55:10,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2023-11-29 06:55:10,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2603. [2023-11-29 06:55:10,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2603 states, 1887 states have (on average 1.4409114997350292) internal successors, (2719), 1916 states have internal predecessors, (2719), 546 states have call successors, (546), 156 states have call predecessors, (546), 169 states have return successors, (596), 542 states have call predecessors, (596), 546 states have call successors, (596) [2023-11-29 06:55:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2603 states and 3861 transitions. [2023-11-29 06:55:10,143 INFO L78 Accepts]: Start accepts. Automaton has 2603 states and 3861 transitions. Word has length 193 [2023-11-29 06:55:10,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:10,143 INFO L495 AbstractCegarLoop]: Abstraction has 2603 states and 3861 transitions. [2023-11-29 06:55:10,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.5) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-29 06:55:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3861 transitions. [2023-11-29 06:55:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-29 06:55:10,152 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:10,152 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:55:10,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:55:10,153 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:10,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:10,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1061103818, now seen corresponding path program 1 times [2023-11-29 06:55:10,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:55:10,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932533304] [2023-11-29 06:55:10,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:10,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:55:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:55:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:55:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:55:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:55:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:55:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:55:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:55:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:55:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:55:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:55:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-29 06:55:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 06:55:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-29 06:55:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-11-29 06:55:10,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:55:10,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932533304] [2023-11-29 06:55:10,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932533304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:55:10,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:55:10,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 06:55:10,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988588362] [2023-11-29 06:55:10,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:55:10,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:55:10,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:55:10,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:55:10,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:55:10,660 INFO L87 Difference]: Start difference. First operand 2603 states and 3861 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-29 06:55:15,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:55:17,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:17,584 INFO L93 Difference]: Finished difference Result 2733 states and 4056 transitions. [2023-11-29 06:55:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:55:17,585 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 208 [2023-11-29 06:55:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:17,603 INFO L225 Difference]: With dead ends: 2733 [2023-11-29 06:55:17,603 INFO L226 Difference]: Without dead ends: 2731 [2023-11-29 06:55:17,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:55:17,605 INFO L413 NwaCegarLoop]: 810 mSDtfsCounter, 1475 mSDsluCounter, 2411 mSDsCounter, 0 mSdLazyCounter, 4013 mSolverCounterSat, 931 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 3221 SdHoareTripleChecker+Invalid, 4944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 931 IncrementalHoareTripleChecker+Valid, 4013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:17,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 3221 Invalid, 4944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [931 Valid, 4013 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-29 06:55:17,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2023-11-29 06:55:17,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2607. [2023-11-29 06:55:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2607 states, 1890 states have (on average 1.4396825396825397) internal successors, (2721), 1919 states have internal predecessors, (2721), 546 states have call successors, (546), 157 states have call predecessors, (546), 170 states have return successors, (596), 542 states have call predecessors, (596), 546 states have call successors, (596) [2023-11-29 06:55:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2607 states and 3863 transitions. [2023-11-29 06:55:17,713 INFO L78 Accepts]: Start accepts. Automaton has 2607 states and 3863 transitions. Word has length 208 [2023-11-29 06:55:17,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:17,714 INFO L495 AbstractCegarLoop]: Abstraction has 2607 states and 3863 transitions. [2023-11-29 06:55:17,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-29 06:55:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3863 transitions. [2023-11-29 06:55:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 06:55:17,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:17,724 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2023-11-29 06:55:17,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:55:17,725 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:17,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:17,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1985907297, now seen corresponding path program 1 times [2023-11-29 06:55:17,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:55:17,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006579838] [2023-11-29 06:55:17,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:17,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:55:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:55:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 06:55:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 06:55:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 06:55:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 06:55:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 06:55:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 06:55:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 06:55:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 06:55:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 06:55:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 06:55:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 06:55:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 06:55:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-29 06:55:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 06:55:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 06:55:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 84 proven. 17 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2023-11-29 06:55:20,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:55:20,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006579838] [2023-11-29 06:55:20,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006579838] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:55:20,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639011891] [2023-11-29 06:55:20,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:20,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:55:20,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:20,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:55:20,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:55:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:21,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 2098 conjuncts, 69 conjunts are in the unsatisfiable core [2023-11-29 06:55:21,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:55:21,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 06:55:21,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 06:55:21,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 06:55:21,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 06:55:22,020 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 06:55:22,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-29 06:55:22,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 06:55:22,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 06:55:22,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 06:55:22,126 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 06:55:22,127 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-29 06:55:22,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 06:55:22,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 06:55:22,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 06:55:22,199 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 06:55:22,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-29 06:55:22,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 06:55:22,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-11-29 06:55:22,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 06:55:22,555 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 06:55:22,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 06:55:22,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-11-29 06:55:22,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-11-29 06:55:22,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-29 06:55:23,028 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 225 proven. 61 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-11-29 06:55:23,028 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:56:48,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639011891] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:56:48,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:56:48,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 24] total 40 [2023-11-29 06:56:48,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174665837] [2023-11-29 06:56:48,184 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:56:48,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-29 06:56:48,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:48,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-29 06:56:48,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1732, Unknown=31, NotChecked=0, Total=1892 [2023-11-29 06:56:48,187 INFO L87 Difference]: Start difference. First operand 2607 states and 3863 transitions. Second operand has 40 states, 34 states have (on average 4.235294117647059) internal successors, (144), 30 states have internal predecessors, (144), 16 states have call successors, (44), 9 states have call predecessors, (44), 11 states have return successors, (36), 21 states have call predecessors, (36), 16 states have call successors, (36) [2023-11-29 06:56:52,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:57:31,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:57:35,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:57:39,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:57:41,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:57:44,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:57:46,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:57:49,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:57:53,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:57:56,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:57:58,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:58:00,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:58:08,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:58:14,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:58:26,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:58:40,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:58:48,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:58:57,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:59:05,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:59:10,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:59:40,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 06:59:47,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:49,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:53,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:55,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 06:59:56,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:00,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:02,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:03,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:05,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:08,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:00:10,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:11,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:00:20,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:00:27,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:00:42,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:00:47,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:00:52,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:00:52,985 INFO L93 Difference]: Finished difference Result 11623 states and 17625 transitions. [2023-11-29 07:00:52,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-11-29 07:00:52,986 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 34 states have (on average 4.235294117647059) internal successors, (144), 30 states have internal predecessors, (144), 16 states have call successors, (44), 9 states have call predecessors, (44), 11 states have return successors, (36), 21 states have call predecessors, (36), 16 states have call successors, (36) Word has length 211 [2023-11-29 07:00:52,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:00:53,042 INFO L225 Difference]: With dead ends: 11623 [2023-11-29 07:00:53,042 INFO L226 Difference]: Without dead ends: 9028 [2023-11-29 07:00:53,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 315 SyntacticMatches, 4 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5798 ImplicationChecksByTransitivity, 93.2s TimeCoverageRelationStatistics Valid=2303, Invalid=17965, Unknown=38, NotChecked=0, Total=20306 [2023-11-29 07:00:53,057 INFO L413 NwaCegarLoop]: 1580 mSDtfsCounter, 12697 mSDsluCounter, 38234 mSDsCounter, 0 mSdLazyCounter, 65037 mSolverCounterSat, 5718 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 225.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12795 SdHoareTripleChecker+Valid, 39814 SdHoareTripleChecker+Invalid, 70785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.7s SdHoareTripleChecker+Time, 5718 IncrementalHoareTripleChecker+Valid, 65037 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 235.1s IncrementalHoareTripleChecker+Time [2023-11-29 07:00:53,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12795 Valid, 39814 Invalid, 70785 Unknown, 0 Unchecked, 0.7s Time], IncrementalHoareTripleChecker [5718 Valid, 65037 Invalid, 30 Unknown, 0 Unchecked, 235.1s Time] [2023-11-29 07:00:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9028 states. [2023-11-29 07:00:53,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9028 to 6128. [2023-11-29 07:00:53,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6128 states, 4373 states have (on average 1.4372284472901897) internal successors, (6285), 4538 states have internal predecessors, (6285), 1264 states have call successors, (1264), 492 states have call predecessors, (1264), 490 states have return successors, (1447), 1112 states have call predecessors, (1447), 1264 states have call successors, (1447) [2023-11-29 07:00:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6128 states to 6128 states and 8996 transitions. [2023-11-29 07:00:53,611 INFO L78 Accepts]: Start accepts. Automaton has 6128 states and 8996 transitions. Word has length 211 [2023-11-29 07:00:53,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:00:53,611 INFO L495 AbstractCegarLoop]: Abstraction has 6128 states and 8996 transitions. [2023-11-29 07:00:53,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 34 states have (on average 4.235294117647059) internal successors, (144), 30 states have internal predecessors, (144), 16 states have call successors, (44), 9 states have call predecessors, (44), 11 states have return successors, (36), 21 states have call predecessors, (36), 16 states have call successors, (36) [2023-11-29 07:00:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 6128 states and 8996 transitions. [2023-11-29 07:00:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 07:00:53,646 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:00:53,646 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2023-11-29 07:00:53,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 07:00:53,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:00:53,847 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:00:53,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:00:53,847 INFO L85 PathProgramCache]: Analyzing trace with hash 8018948, now seen corresponding path program 1 times [2023-11-29 07:00:53,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:00:53,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551289640] [2023-11-29 07:00:53,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:53,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:00:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:55,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:00:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:00:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:00:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:00:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:00:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:00:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:00:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:00:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:00:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:00:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:00:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:00:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-29 07:00:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-29 07:00:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 07:00:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 07:00:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 55 proven. 48 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2023-11-29 07:00:56,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:00:56,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551289640] [2023-11-29 07:00:56,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551289640] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:00:56,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174453123] [2023-11-29 07:00:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:00:56,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:00:56,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:00:56,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:00:56,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 07:00:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:00:57,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-29 07:00:57,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:00:57,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-11-29 07:00:58,140 INFO L349 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2023-11-29 07:00:58,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 34 [2023-11-29 07:00:58,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-11-29 07:00:58,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-29 07:00:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 91 proven. 48 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2023-11-29 07:00:58,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:00:59,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174453123] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:00:59,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 07:00:59,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 26 [2023-11-29 07:00:59,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870553674] [2023-11-29 07:00:59,111 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 07:00:59,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 07:00:59,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:00:59,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 07:00:59,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2023-11-29 07:00:59,114 INFO L87 Difference]: Start difference. First operand 6128 states and 8996 transitions. Second operand has 26 states, 23 states have (on average 5.304347826086956) internal successors, (122), 20 states have internal predecessors, (122), 10 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (26), 13 states have call predecessors, (26), 10 states have call successors, (26) [2023-11-29 07:01:22,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:23,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:27,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:29,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:32,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:36,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:38,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 07:01:39,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:01:40,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:23,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:02:23,995 INFO L93 Difference]: Finished difference Result 13818 states and 20266 transitions. [2023-11-29 07:02:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-29 07:02:23,996 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 23 states have (on average 5.304347826086956) internal successors, (122), 20 states have internal predecessors, (122), 10 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (26), 13 states have call predecessors, (26), 10 states have call successors, (26) Word has length 213 [2023-11-29 07:02:23,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:02:24,023 INFO L225 Difference]: With dead ends: 13818 [2023-11-29 07:02:24,023 INFO L226 Difference]: Without dead ends: 8203 [2023-11-29 07:02:24,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 319 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=588, Invalid=4524, Unknown=0, NotChecked=0, Total=5112 [2023-11-29 07:02:24,039 INFO L413 NwaCegarLoop]: 908 mSDtfsCounter, 4838 mSDsluCounter, 11966 mSDsCounter, 0 mSdLazyCounter, 29590 mSolverCounterSat, 1965 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5036 SdHoareTripleChecker+Valid, 12874 SdHoareTripleChecker+Invalid, 31556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1965 IncrementalHoareTripleChecker+Valid, 29590 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.4s IncrementalHoareTripleChecker+Time [2023-11-29 07:02:24,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5036 Valid, 12874 Invalid, 31556 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1965 Valid, 29590 Invalid, 1 Unknown, 0 Unchecked, 81.4s Time] [2023-11-29 07:02:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8203 states. [2023-11-29 07:02:24,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8203 to 7746. [2023-11-29 07:02:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7746 states, 5538 states have (on average 1.4393282773564464) internal successors, (7971), 5738 states have internal predecessors, (7971), 1581 states have call successors, (1581), 636 states have call predecessors, (1581), 626 states have return successors, (1817), 1387 states have call predecessors, (1817), 1581 states have call successors, (1817) [2023-11-29 07:02:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 11369 transitions. [2023-11-29 07:02:24,440 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 11369 transitions. Word has length 213 [2023-11-29 07:02:24,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:02:24,440 INFO L495 AbstractCegarLoop]: Abstraction has 7746 states and 11369 transitions. [2023-11-29 07:02:24,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 23 states have (on average 5.304347826086956) internal successors, (122), 20 states have internal predecessors, (122), 10 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (26), 13 states have call predecessors, (26), 10 states have call successors, (26) [2023-11-29 07:02:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 11369 transitions. [2023-11-29 07:02:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 07:02:24,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:02:24,470 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2023-11-29 07:02:24,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 07:02:24,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:02:24,671 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:02:24,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:24,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1760924325, now seen corresponding path program 1 times [2023-11-29 07:02:24,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:24,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69461142] [2023-11-29 07:02:24,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:24,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:02:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:02:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:02:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:24,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:02:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:02:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:02:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:02:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:02:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:02:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:02:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 07:02:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 07:02:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2023-11-29 07:02:25,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:25,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69461142] [2023-11-29 07:02:25,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69461142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:25,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:25,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 07:02:25,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512187354] [2023-11-29 07:02:25,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:25,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 07:02:25,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:25,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 07:02:25,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 07:02:25,200 INFO L87 Difference]: Start difference. First operand 7746 states and 11369 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 07:02:30,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:34,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:39,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:02:39,345 INFO L93 Difference]: Finished difference Result 15172 states and 22292 transitions. [2023-11-29 07:02:39,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 07:02:39,346 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 211 [2023-11-29 07:02:39,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:02:39,369 INFO L225 Difference]: With dead ends: 15172 [2023-11-29 07:02:39,369 INFO L226 Difference]: Without dead ends: 7939 [2023-11-29 07:02:39,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 07:02:39,382 INFO L413 NwaCegarLoop]: 810 mSDtfsCounter, 1258 mSDsluCounter, 2167 mSDsCounter, 0 mSdLazyCounter, 3363 mSolverCounterSat, 665 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 2977 SdHoareTripleChecker+Invalid, 4029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 3363 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-11-29 07:02:39,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 2977 Invalid, 4029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [665 Valid, 3363 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2023-11-29 07:02:39,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7939 states. [2023-11-29 07:02:39,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7939 to 7746. [2023-11-29 07:02:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7746 states, 5538 states have (on average 1.4380642831347057) internal successors, (7964), 5738 states have internal predecessors, (7964), 1581 states have call successors, (1581), 636 states have call predecessors, (1581), 626 states have return successors, (1817), 1387 states have call predecessors, (1817), 1581 states have call successors, (1817) [2023-11-29 07:02:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 11362 transitions. [2023-11-29 07:02:39,940 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 11362 transitions. Word has length 211 [2023-11-29 07:02:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:02:39,941 INFO L495 AbstractCegarLoop]: Abstraction has 7746 states and 11362 transitions. [2023-11-29 07:02:39,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 07:02:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 11362 transitions. [2023-11-29 07:02:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 07:02:39,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:02:39,968 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2023-11-29 07:02:39,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 07:02:39,969 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:02:39,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:02:39,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1533795731, now seen corresponding path program 1 times [2023-11-29 07:02:39,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:02:39,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173307492] [2023-11-29 07:02:39,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:02:39,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:02:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:02:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:02:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:02:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:02:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:02:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:02:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:02:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:02:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:02:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:40,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:02:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:41,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:02:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:02:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:41,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 07:02:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 07:02:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:02:41,155 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2023-11-29 07:02:41,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:02:41,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173307492] [2023-11-29 07:02:41,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173307492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:02:41,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:02:41,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-29 07:02:41,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976970836] [2023-11-29 07:02:41,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:02:41,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 07:02:41,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:02:41,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 07:02:41,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-29 07:02:41,158 INFO L87 Difference]: Start difference. First operand 7746 states and 11362 transitions. Second operand has 12 states, 10 states have (on average 8.3) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-29 07:02:50,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:52,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:55,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:02:58,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:00,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:04,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:07,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 07:03:27,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:03:27,151 INFO L93 Difference]: Finished difference Result 15028 states and 22046 transitions. [2023-11-29 07:03:27,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 07:03:27,152 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) Word has length 211 [2023-11-29 07:03:27,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:03:27,186 INFO L225 Difference]: With dead ends: 15028 [2023-11-29 07:03:27,186 INFO L226 Difference]: Without dead ends: 7795 [2023-11-29 07:03:27,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2023-11-29 07:03:27,200 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 1931 mSDsluCounter, 6674 mSDsCounter, 0 mSdLazyCounter, 13628 mSolverCounterSat, 945 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 7603 SdHoareTripleChecker+Invalid, 14574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 945 IncrementalHoareTripleChecker+Valid, 13628 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.7s IncrementalHoareTripleChecker+Time [2023-11-29 07:03:27,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 7603 Invalid, 14574 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [945 Valid, 13628 Invalid, 1 Unknown, 0 Unchecked, 44.7s Time] [2023-11-29 07:03:27,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7795 states. [2023-11-29 07:03:27,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7795 to 7532. [2023-11-29 07:03:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7532 states, 5380 states have (on average 1.4366171003717472) internal successors, (7729), 5574 states have internal predecessors, (7729), 1541 states have call successors, (1541), 618 states have call predecessors, (1541), 610 states have return successors, (1771), 1354 states have call predecessors, (1771), 1541 states have call successors, (1771) [2023-11-29 07:03:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7532 states to 7532 states and 11041 transitions. [2023-11-29 07:03:27,689 INFO L78 Accepts]: Start accepts. Automaton has 7532 states and 11041 transitions. Word has length 211 [2023-11-29 07:03:27,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:03:27,690 INFO L495 AbstractCegarLoop]: Abstraction has 7532 states and 11041 transitions. [2023-11-29 07:03:27,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.3) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (18), 5 states have call predecessors, (18), 3 states have return successors, (17), 5 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-29 07:03:27,690 INFO L276 IsEmpty]: Start isEmpty. Operand 7532 states and 11041 transitions. [2023-11-29 07:03:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-29 07:03:27,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:03:27,730 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2023-11-29 07:03:27,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 07:03:27,730 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:03:27,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:27,730 INFO L85 PathProgramCache]: Analyzing trace with hash 985150544, now seen corresponding path program 1 times [2023-11-29 07:03:27,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:27,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479812204] [2023-11-29 07:03:27,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 07:03:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:03:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-29 07:03:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:03:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-29 07:03:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-29 07:03:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-29 07:03:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:03:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-29 07:03:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 07:03:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 07:03:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 07:03:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-29 07:03:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-29 07:03:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-29 07:03:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 07:03:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 106 proven. 7 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-11-29 07:03:29,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:29,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479812204] [2023-11-29 07:03:29,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479812204] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:03:29,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121730196] [2023-11-29 07:03:29,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:29,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:03:29,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:03:29,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:03:29,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df59806b-9b87-4697-9795-14e0fda70835/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 07:03:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:30,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 2044 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-29 07:03:30,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:03:30,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 07:03:30,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 07:03:31,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2023-11-29 07:03:31,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 07:03:31,444 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 07:03:31,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 07:03:31,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10 [2023-11-29 07:03:32,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2023-11-29 07:03:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 181 proven. 18 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2023-11-29 07:03:32,102 INFO L327 TraceCheckSpWp]: Computing backward predicates...