./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 9bd2c7ff 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_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/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_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu --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 0.2.3-dev-9bd2c7f [2023-11-19 07:44:48,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:48,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:44:48,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:48,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:48,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:48,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:48,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:48,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:44:48,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:44:48,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:48,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:48,931 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:48,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:48,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:44:48,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:48,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:48,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:44:48,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:44:48,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:44:48,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:48,936 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:48,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:48,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:48,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:44:48,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:48,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:48,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:44:48,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:44:48,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:48,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:44:48,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:44:48,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:44:48,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:44:48,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:44:48,944 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:44:48,944 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_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 271771768c3380f5979c29c79a53c5e282857dcb6c4c2b744d0fa4e6e2c0dd66 [2023-11-19 07:44:49,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:49,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:49,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:49,291 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:49,292 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:49,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:44:52,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:52,999 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:53,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/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 [2023-11-19 07:44:53,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/data/dc50820ed/06767de0f47b47448e444b8f5a373597/FLAG89a2d1735 [2023-11-19 07:44:53,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/data/dc50820ed/06767de0f47b47448e444b8f5a373597 [2023-11-19 07:44:53,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:53,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:53,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:53,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:53,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:53,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:53" (1/1) ... [2023-11-19 07:44:53,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1269ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:53, skipping insertion in model container [2023-11-19 07:44:53,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:53" (1/1) ... [2023-11-19 07:44:53,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:54,600 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_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/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] [2023-11-19 07:44:54,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:54,682 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:54,984 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_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/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] [2023-11-19 07:44:54,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:55,161 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:44:55,169 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:55,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55 WrapperNode [2023-11-19 07:44:55,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:55,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:55,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:55,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:55,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,397 INFO L138 Inliner]: procedures = 159, calls = 1260, calls flagged for inlining = 71, calls inlined = 71, statements flattened = 3369 [2023-11-19 07:44:55,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:55,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:55,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:55,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:55,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:55,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:55,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:55,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:55,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (1/1) ... [2023-11-19 07:44:55,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:55,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:55,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:55,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14354ed-d783-4ded-ba2d-fbdd8a3c9772/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2023-11-19 07:44:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2023-11-19 07:44:55,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:44:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:44:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:44:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:44:55,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:44:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:44:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:44:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:44:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2023-11-19 07:44:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2023-11-19 07:44:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2023-11-19 07:44:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2023-11-19 07:44:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2023-11-19 07:44:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2023-11-19 07:44:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2023-11-19 07:44:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2023-11-19 07:44:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:44:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:44:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-19 07:44:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-19 07:44:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:44:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:44:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2023-11-19 07:44:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2023-11-19 07:44:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2023-11-19 07:44:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2023-11-19 07:44:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-11-19 07:44:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-11-19 07:44:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:44:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:44:55,756 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:44:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:44:55,757 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2023-11-19 07:44:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2023-11-19 07:44:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:44:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:44:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:44:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:44:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:44:55,758 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 07:44:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 07:44:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:44:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:44:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2023-11-19 07:44:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2023-11-19 07:44:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2023-11-19 07:44:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2023-11-19 07:44:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:44:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:44:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2023-11-19 07:44:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2023-11-19 07:44:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:44:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:44:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:44:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:44:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:44:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2023-11-19 07:44:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2023-11-19 07:44:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2023-11-19 07:44:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2023-11-19 07:44:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2023-11-19 07:44:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2023-11-19 07:44:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2023-11-19 07:44:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2023-11-19 07:44:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:44:55,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:44:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:44:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:44:55,764 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2023-11-19 07:44:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2023-11-19 07:44:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:44:55,765 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2023-11-19 07:44:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2023-11-19 07:44:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:44:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:44:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2023-11-19 07:44:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2023-11-19 07:44:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2023-11-19 07:44:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2023-11-19 07:44:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2023-11-19 07:44:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2023-11-19 07:44:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2023-11-19 07:44:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2023-11-19 07:44:55,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:44:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 07:44:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 07:44:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:44:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:44:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2023-11-19 07:44:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2023-11-19 07:44:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 07:44:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 07:44:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2023-11-19 07:44:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2023-11-19 07:44:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:44:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:44:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-11-19 07:44:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-11-19 07:44:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:44:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:44:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:44:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:44:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:44:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:44:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:44:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2023-11-19 07:44:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2023-11-19 07:44:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2023-11-19 07:44:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2023-11-19 07:44:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2023-11-19 07:44:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2023-11-19 07:44:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2023-11-19 07:44:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2023-11-19 07:44:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2023-11-19 07:44:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2023-11-19 07:44:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2023-11-19 07:44:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2023-11-19 07:44:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:44:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 07:44:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:56,426 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:56,430 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:56,933 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:45:01,989 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:45:02,016 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:45:02,017 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:45:02,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:02 BoogieIcfgContainer [2023-11-19 07:45:02,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:45:02,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:45:02,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:45:02,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:45:02,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:53" (1/3) ... [2023-11-19 07:45:02,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f72030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:02, skipping insertion in model container [2023-11-19 07:45:02,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:55" (2/3) ... [2023-11-19 07:45:02,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f72030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:02, skipping insertion in model container [2023-11-19 07:45:02,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:02" (3/3) ... [2023-11-19 07:45:02,043 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 [2023-11-19 07:45:02,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:45:02,064 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:45:02,170 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:45:02,179 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;@983688d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:45:02,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:45:02,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 1236 states, 933 states have (on average 1.4265809217577707) internal successors, (1331), 949 states have internal predecessors, (1331), 249 states have call successors, (249), 53 states have call predecessors, (249), 52 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2023-11-19 07:45:02,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 07:45:02,239 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:02,240 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:02,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:02,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:02,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1601367794, now seen corresponding path program 1 times [2023-11-19 07:45:02,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:02,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135636365] [2023-11-19 07:45:02,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:02,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:45:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:45:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:45:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:45:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:45:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:45:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:45:03,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:03,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135636365] [2023-11-19 07:45:03,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135636365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:03,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:03,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:45:03,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138858595] [2023-11-19 07:45:03,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:03,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:45:03,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:03,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:45:03,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:45:03,281 INFO L87 Difference]: Start difference. First operand has 1236 states, 933 states have (on average 1.4265809217577707) internal successors, (1331), 949 states have internal predecessors, (1331), 249 states have call successors, (249), 53 states have call predecessors, (249), 52 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 10.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2023-11-19 07:45:10,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:11,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:45:11,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:11,842 INFO L93 Difference]: Finished difference Result 2555 states and 3807 transitions. [2023-11-19 07:45:11,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:45:11,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 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 94 [2023-11-19 07:45:11,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:11,875 INFO L225 Difference]: With dead ends: 2555 [2023-11-19 07:45:11,875 INFO L226 Difference]: Without dead ends: 1306 [2023-11-19 07:45:11,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:11,891 INFO L413 NwaCegarLoop]: 1454 mSDtfsCounter, 589 mSDsluCounter, 2587 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 611 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 4041 SdHoareTripleChecker+Invalid, 2218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 611 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:11,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 4041 Invalid, 2218 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [611 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-11-19 07:45:11,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2023-11-19 07:45:12,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1219. [2023-11-19 07:45:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 925 states have (on average 1.412972972972973) internal successors, (1307), 932 states have internal predecessors, (1307), 241 states have call successors, (241), 52 states have call predecessors, (241), 52 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2023-11-19 07:45:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1789 transitions. [2023-11-19 07:45:12,064 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1789 transitions. Word has length 94 [2023-11-19 07:45:12,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:12,065 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1789 transitions. [2023-11-19 07:45:12,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2023-11-19 07:45:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1789 transitions. [2023-11-19 07:45:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 07:45:12,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:12,078 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:12,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:45:12,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:12,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:12,084 INFO L85 PathProgramCache]: Analyzing trace with hash 773715860, now seen corresponding path program 1 times [2023-11-19 07:45:12,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:12,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253731304] [2023-11-19 07:45:12,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:12,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:45:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:45:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:45:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:45:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:45:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:45:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 07:45:12,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:12,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253731304] [2023-11-19 07:45:12,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253731304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:12,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:12,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:45:12,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604558230] [2023-11-19 07:45:12,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:12,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:45:12,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:12,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:45:12,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:12,629 INFO L87 Difference]: Start difference. First operand 1219 states and 1789 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 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) [2023-11-19 07:45:21,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:21,449 INFO L93 Difference]: Finished difference Result 3116 states and 4560 transitions. [2023-11-19 07:45:21,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:45:21,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 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 94 [2023-11-19 07:45:21,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:21,472 INFO L225 Difference]: With dead ends: 3116 [2023-11-19 07:45:21,473 INFO L226 Difference]: Without dead ends: 1909 [2023-11-19 07:45:21,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:45:21,482 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 1555 mSDsluCounter, 3851 mSDsCounter, 0 mSdLazyCounter, 2102 mSolverCounterSat, 881 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 5298 SdHoareTripleChecker+Invalid, 2983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 881 IncrementalHoareTripleChecker+Valid, 2102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:21,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1655 Valid, 5298 Invalid, 2983 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [881 Valid, 2102 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-11-19 07:45:21,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2023-11-19 07:45:21,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1763. [2023-11-19 07:45:21,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1763 states, 1333 states have (on average 1.3983495873968492) internal successors, (1864), 1345 states have internal predecessors, (1864), 345 states have call successors, (345), 84 states have call predecessors, (345), 84 states have return successors, (345), 344 states have call predecessors, (345), 345 states have call successors, (345) [2023-11-19 07:45:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2554 transitions. [2023-11-19 07:45:21,614 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2554 transitions. Word has length 94 [2023-11-19 07:45:21,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:21,616 INFO L495 AbstractCegarLoop]: Abstraction has 1763 states and 2554 transitions. [2023-11-19 07:45:21,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 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) [2023-11-19 07:45:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2554 transitions. [2023-11-19 07:45:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-19 07:45:21,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:21,637 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:21,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:45:21,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:45:21,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:21,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1266228221, now seen corresponding path program 1 times [2023-11-19 07:45:21,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:21,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518394240] [2023-11-19 07:45:21,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:21,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:45:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:45:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:45:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:45:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-19 07:45:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:45:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-19 07:45:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-19 07:45:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-19 07:45:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-19 07:45:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:45:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:45:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:45:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-19 07:45:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:45:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2023-11-19 07:45:23,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:23,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518394240] [2023-11-19 07:45:23,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518394240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:23,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:23,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 07:45:23,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483587213] [2023-11-19 07:45:23,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:23,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:45:23,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:23,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:45:23,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:45:23,584 INFO L87 Difference]: Start difference. First operand 1763 states and 2554 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 7 states have internal predecessors, (78), 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) [2023-11-19 07:45:35,675 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 []