./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fba957c5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-fba957c-m [2023-11-23 10:18:11,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 10:18:11,609 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 10:18:11,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 10:18:11,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 10:18:11,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 10:18:11,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 10:18:11,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 10:18:11,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 10:18:11,671 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 10:18:11,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 10:18:11,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 10:18:11,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 10:18:11,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 10:18:11,674 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 10:18:11,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 10:18:11,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 10:18:11,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 10:18:11,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 10:18:11,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 10:18:11,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 10:18:11,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 10:18:11,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 10:18:11,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 10:18:11,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 10:18:11,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 10:18:11,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 10:18:11,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 10:18:11,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:18:11,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 10:18:11,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 10:18:11,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 10:18:11,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 10:18:11,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 10:18:11,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 10:18:11,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 10:18:11,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 10:18:11,683 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 10:18:11,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 10:18:11,683 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 10:18:11,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 10:18:12,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 10:18:12,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 10:18:12,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 10:18:12,015 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 10:18:12,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2023-11-23 10:18:13,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 10:18:13,741 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 10:18:13,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2023-11-23 10:18:13,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6760194a0/ff5941efde3740c6b04f6bf27d66a83b/FLAGaee3767bc [2023-11-23 10:18:13,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6760194a0/ff5941efde3740c6b04f6bf27d66a83b [2023-11-23 10:18:13,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 10:18:13,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 10:18:13,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 10:18:13,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 10:18:13,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 10:18:13,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:13,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3129c50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:13, skipping insertion in model container [2023-11-23 10:18:13,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:18:13" (1/1) ... [2023-11-23 10:18:13,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:18:15,253 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2023-11-23 10:18:15,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:15,322 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 10:18:15,538 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2023-11-23 10:18:15,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:18:15,666 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:18:15,673 INFO L206 MainTranslator]: Completed translation [2023-11-23 10:18:15,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15 WrapperNode [2023-11-23 10:18:15,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 10:18:15,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 10:18:15,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 10:18:15,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 10:18:15,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:15,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:15,881 INFO L138 Inliner]: procedures = 146, calls = 1243, calls flagged for inlining = 65, calls inlined = 65, statements flattened = 3155 [2023-11-23 10:18:15,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 10:18:15,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 10:18:15,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 10:18:15,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 10:18:15,892 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:15,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:15,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:15,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:16,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:16,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:16,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:16,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:16,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 10:18:16,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 10:18:16,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 10:18:16,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 10:18:16,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (1/1) ... [2023-11-23 10:18:16,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:18:16,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:18:16,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 10:18:16,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 10:18:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2023-11-23 10:18:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2023-11-23 10:18:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 10:18:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 10:18:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 10:18:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 10:18:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2023-11-23 10:18:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2023-11-23 10:18:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2023-11-23 10:18:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2023-11-23 10:18:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2023-11-23 10:18:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2023-11-23 10:18:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2023-11-23 10:18:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2023-11-23 10:18:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 10:18:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 10:18:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-23 10:18:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-23 10:18:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 10:18:16,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 10:18:16,175 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2023-11-23 10:18:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2023-11-23 10:18:16,176 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2023-11-23 10:18:16,176 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2023-11-23 10:18:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-11-23 10:18:16,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-11-23 10:18:16,177 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 10:18:16,177 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 10:18:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 10:18:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 10:18:16,178 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2023-11-23 10:18:16,178 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2023-11-23 10:18:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 10:18:16,179 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 10:18:16,180 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 10:18:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 10:18:16,180 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 10:18:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-11-23 10:18:16,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-11-23 10:18:16,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-23 10:18:16,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-23 10:18:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 10:18:16,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 10:18:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2023-11-23 10:18:16,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2023-11-23 10:18:16,181 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2023-11-23 10:18:16,181 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2023-11-23 10:18:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2023-11-23 10:18:16,182 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2023-11-23 10:18:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 10:18:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2023-11-23 10:18:16,182 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2023-11-23 10:18:16,182 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2023-11-23 10:18:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2023-11-23 10:18:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2023-11-23 10:18:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2023-11-23 10:18:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2023-11-23 10:18:16,183 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2023-11-23 10:18:16,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 10:18:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 10:18:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2023-11-23 10:18:16,184 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2023-11-23 10:18:16,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 10:18:16,185 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2023-11-23 10:18:16,185 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2023-11-23 10:18:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2023-11-23 10:18:16,186 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2023-11-23 10:18:16,186 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2023-11-23 10:18:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2023-11-23 10:18:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2023-11-23 10:18:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2023-11-23 10:18:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2023-11-23 10:18:16,187 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2023-11-23 10:18:16,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 10:18:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 10:18:16,188 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 10:18:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 10:18:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 10:18:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2023-11-23 10:18:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2023-11-23 10:18:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 10:18:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 10:18:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2023-11-23 10:18:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2023-11-23 10:18:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 10:18:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 10:18:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-11-23 10:18:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-11-23 10:18:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 10:18:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 10:18:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 10:18:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 10:18:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 10:18:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 10:18:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 10:18:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-23 10:18:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-23 10:18:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2023-11-23 10:18:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2023-11-23 10:18:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2023-11-23 10:18:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2023-11-23 10:18:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2023-11-23 10:18:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2023-11-23 10:18:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2023-11-23 10:18:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2023-11-23 10:18:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2023-11-23 10:18:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2023-11-23 10:18:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2023-11-23 10:18:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2023-11-23 10:18:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 10:18:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 10:18:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 10:18:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 10:18:16,663 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 10:18:16,666 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 10:18:20,477 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 10:18:20,631 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 10:18:20,631 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 10:18:20,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:20 BoogieIcfgContainer [2023-11-23 10:18:20,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 10:18:20,635 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 10:18:20,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 10:18:20,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 10:18:20,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:18:13" (1/3) ... [2023-11-23 10:18:20,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6ffd85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:18:20, skipping insertion in model container [2023-11-23 10:18:20,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:18:15" (2/3) ... [2023-11-23 10:18:20,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6ffd85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:18:20, skipping insertion in model container [2023-11-23 10:18:20,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:20" (3/3) ... [2023-11-23 10:18:20,675 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2023-11-23 10:18:20,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 10:18:20,696 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 10:18:20,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 10:18:20,791 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;@4c3155d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 10:18:20,791 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 10:18:20,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 1060 states, 766 states have (on average 1.4647519582245432) internal successors, (1122), 774 states have internal predecessors, (1122), 244 states have call successors, (244), 48 states have call predecessors, (244), 48 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) [2023-11-23 10:18:20,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 10:18:20,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:20,833 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2023-11-23 10:18:20,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:20,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:20,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1021608907, now seen corresponding path program 1 times [2023-11-23 10:18:20,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:20,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835381216] [2023-11-23 10:18:20,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:20,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:18:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:18:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:18:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 10:18:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 10:18:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 10:18:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 10:18:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 10:18:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 10:18:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:18:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-23 10:18:21,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:18:21,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835381216] [2023-11-23 10:18:21,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835381216] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:18:21,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506922656] [2023-11-23 10:18:21,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:18:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:18:21,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:18:22,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 10:18:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:22,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 10:18:22,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:18:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-23 10:18:22,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:18:22,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506922656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:22,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:18:22,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2023-11-23 10:18:22,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895741349] [2023-11-23 10:18:22,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:22,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:18:22,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:18:22,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:18:22,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:18:22,690 INFO L87 Difference]: Start difference. First operand has 1060 states, 766 states have (on average 1.4647519582245432) internal successors, (1122), 774 states have internal predecessors, (1122), 244 states have call successors, (244), 48 states have call predecessors, (244), 48 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 10:18:23,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:18:23,624 INFO L93 Difference]: Finished difference Result 2123 states and 3251 transitions. [2023-11-23 10:18:23,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 10:18:23,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2023-11-23 10:18:23,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:18:23,659 INFO L225 Difference]: With dead ends: 2123 [2023-11-23 10:18:23,659 INFO L226 Difference]: Without dead ends: 1056 [2023-11-23 10:18:23,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:18:23,678 INFO L413 NwaCegarLoop]: 1513 mSDtfsCounter, 1 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6046 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 10:18:23,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6046 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 10:18:23,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2023-11-23 10:18:23,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2023-11-23 10:18:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 763 states have (on average 1.4495412844036697) internal successors, (1106), 771 states have internal predecessors, (1106), 243 states have call successors, (243), 48 states have call predecessors, (243), 49 states have return successors, (250), 243 states have call predecessors, (250), 243 states have call successors, (250) [2023-11-23 10:18:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1599 transitions. [2023-11-23 10:18:23,803 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1599 transitions. Word has length 78 [2023-11-23 10:18:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:18:23,804 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1599 transitions. [2023-11-23 10:18:23,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 10:18:23,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1599 transitions. [2023-11-23 10:18:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 10:18:23,812 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:23,812 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 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] [2023-11-23 10:18:23,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 10:18:24,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 10:18:24,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:24,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:24,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1332633548, now seen corresponding path program 1 times [2023-11-23 10:18:24,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:24,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421936835] [2023-11-23 10:18:24,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:24,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:18:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:18:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 10:18:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 10:18:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:18:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 10:18:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 10:18:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 10:18:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 10:18:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:18:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:24,516 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-23 10:18:24,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:18:24,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421936835] [2023-11-23 10:18:24,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421936835] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:18:24,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760435044] [2023-11-23 10:18:24,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:24,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:18:24,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:18:24,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:18:24,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 10:18:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:25,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 10:18:25,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:18:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-23 10:18:25,059 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:18:25,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760435044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:25,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:18:25,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2023-11-23 10:18:25,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266907797] [2023-11-23 10:18:25,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:25,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:18:25,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:18:25,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:18:25,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 10:18:25,062 INFO L87 Difference]: Start difference. First operand 1056 states and 1599 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 10:18:25,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:18:25,676 INFO L93 Difference]: Finished difference Result 2108 states and 3190 transitions. [2023-11-23 10:18:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 10:18:25,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 80 [2023-11-23 10:18:25,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:18:25,684 INFO L225 Difference]: With dead ends: 2108 [2023-11-23 10:18:25,685 INFO L226 Difference]: Without dead ends: 1056 [2023-11-23 10:18:25,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 10:18:25,690 INFO L413 NwaCegarLoop]: 1504 mSDtfsCounter, 0 mSDsluCounter, 4509 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6013 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 10:18:25,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6013 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 10:18:25,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2023-11-23 10:18:25,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2023-11-23 10:18:25,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 763 states have (on average 1.4495412844036697) internal successors, (1106), 771 states have internal predecessors, (1106), 243 states have call successors, (243), 48 states have call predecessors, (243), 49 states have return successors, (249), 243 states have call predecessors, (249), 243 states have call successors, (249) [2023-11-23 10:18:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1598 transitions. [2023-11-23 10:18:25,736 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1598 transitions. Word has length 80 [2023-11-23 10:18:25,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:18:25,736 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1598 transitions. [2023-11-23 10:18:25,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 10:18:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1598 transitions. [2023-11-23 10:18:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 10:18:25,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:25,741 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-11-23 10:18:25,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 10:18:25,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-23 10:18:25,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:25,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:25,961 INFO L85 PathProgramCache]: Analyzing trace with hash 39484501, now seen corresponding path program 2 times [2023-11-23 10:18:25,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:25,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043027120] [2023-11-23 10:18:25,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:25,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:18:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:18:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:18:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:18:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:18:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:18:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:18:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 10:18:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 10:18:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:18:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 10:18:27,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:18:27,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043027120] [2023-11-23 10:18:27,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043027120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:27,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:18:27,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:18:27,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819004984] [2023-11-23 10:18:27,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:27,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:18:27,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:18:27,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:18:27,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:18:27,241 INFO L87 Difference]: Start difference. First operand 1056 states and 1598 transitions. Second operand has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:18:33,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:18:35,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:18:37,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:18:38,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:18:38,516 INFO L93 Difference]: Finished difference Result 2129 states and 3224 transitions. [2023-11-23 10:18:38,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:18:38,517 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 82 [2023-11-23 10:18:38,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:18:38,524 INFO L225 Difference]: With dead ends: 2129 [2023-11-23 10:18:38,524 INFO L226 Difference]: Without dead ends: 1091 [2023-11-23 10:18:38,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-23 10:18:38,531 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 274 mSDsluCounter, 5883 mSDsCounter, 0 mSdLazyCounter, 3492 mSolverCounterSat, 218 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 7160 SdHoareTripleChecker+Invalid, 3712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 3492 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:18:38,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 7160 Invalid, 3712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 3492 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2023-11-23 10:18:38,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2023-11-23 10:18:38,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1061. [2023-11-23 10:18:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 767 states have (on average 1.4485006518904824) internal successors, (1111), 775 states have internal predecessors, (1111), 243 states have call successors, (243), 48 states have call predecessors, (243), 50 states have return successors, (252), 244 states have call predecessors, (252), 243 states have call successors, (252) [2023-11-23 10:18:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1606 transitions. [2023-11-23 10:18:38,588 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1606 transitions. Word has length 82 [2023-11-23 10:18:38,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:18:38,590 INFO L495 AbstractCegarLoop]: Abstraction has 1061 states and 1606 transitions. [2023-11-23 10:18:38,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:18:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1606 transitions. [2023-11-23 10:18:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-23 10:18:38,596 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:38,596 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-11-23 10:18:38,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 10:18:38,597 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:38,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:38,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1775953682, now seen corresponding path program 1 times [2023-11-23 10:18:38,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:38,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580875281] [2023-11-23 10:18:38,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:38,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:18:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:18:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:18:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:18:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:18:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:18:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:18:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 10:18:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 10:18:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:18:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 10:18:39,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:18:39,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580875281] [2023-11-23 10:18:39,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580875281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:39,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:18:39,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 10:18:39,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340509622] [2023-11-23 10:18:39,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:39,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 10:18:39,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:18:39,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 10:18:39,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:18:39,838 INFO L87 Difference]: Start difference. First operand 1061 states and 1606 transitions. Second operand has 10 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:18:47,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:18:49,304 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 [] [2023-11-23 10:18:51,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:18:51,936 INFO L93 Difference]: Finished difference Result 2141 states and 3244 transitions. [2023-11-23 10:18:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:18:51,944 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 83 [2023-11-23 10:18:51,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:18:51,951 INFO L225 Difference]: With dead ends: 2141 [2023-11-23 10:18:51,951 INFO L226 Difference]: Without dead ends: 1098 [2023-11-23 10:18:51,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:18:51,957 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 306 mSDsluCounter, 7871 mSDsCounter, 0 mSdLazyCounter, 4735 mSolverCounterSat, 274 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 9158 SdHoareTripleChecker+Invalid, 5010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 4735 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-11-23 10:18:51,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 9158 Invalid, 5010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 4735 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2023-11-23 10:18:51,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2023-11-23 10:18:51,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1061. [2023-11-23 10:18:51,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1061 states, 767 states have (on average 1.4485006518904824) internal successors, (1111), 775 states have internal predecessors, (1111), 243 states have call successors, (243), 48 states have call predecessors, (243), 50 states have return successors, (252), 244 states have call predecessors, (252), 243 states have call successors, (252) [2023-11-23 10:18:51,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1606 transitions. [2023-11-23 10:18:51,995 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1606 transitions. Word has length 83 [2023-11-23 10:18:51,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:18:51,996 INFO L495 AbstractCegarLoop]: Abstraction has 1061 states and 1606 transitions. [2023-11-23 10:18:51,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:18:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1606 transitions. [2023-11-23 10:18:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-23 10:18:51,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:18:51,999 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-11-23 10:18:51,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 10:18:51,999 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:18:52,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:18:52,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1190868765, now seen corresponding path program 1 times [2023-11-23 10:18:52,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:18:52,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792015909] [2023-11-23 10:18:52,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:18:52,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:18:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:18:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:18:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:18:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:18:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:18:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:18:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:18:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 10:18:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 10:18:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:18:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:18:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 10:18:53,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:18:53,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792015909] [2023-11-23 10:18:53,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792015909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:18:53,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:18:53,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 10:18:53,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471360313] [2023-11-23 10:18:53,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:18:53,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 10:18:53,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:18:53,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 10:18:53,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:18:53,013 INFO L87 Difference]: Start difference. First operand 1061 states and 1606 transitions. Second operand has 10 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:18:59,147 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 [] [2023-11-23 10:19:00,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:19:00,721 INFO L93 Difference]: Finished difference Result 2136 states and 3233 transitions. [2023-11-23 10:19:00,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:19:00,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 83 [2023-11-23 10:19:00,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:19:00,727 INFO L225 Difference]: With dead ends: 2136 [2023-11-23 10:19:00,728 INFO L226 Difference]: Without dead ends: 1093 [2023-11-23 10:19:00,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:19:00,733 INFO L413 NwaCegarLoop]: 1275 mSDtfsCounter, 270 mSDsluCounter, 7038 mSDsCounter, 0 mSdLazyCounter, 3929 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 8313 SdHoareTripleChecker+Invalid, 4146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 3929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-23 10:19:00,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 8313 Invalid, 4146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 3929 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-23 10:19:00,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2023-11-23 10:19:00,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1067. [2023-11-23 10:19:00,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 772 states have (on average 1.4468911917098446) internal successors, (1117), 780 states have internal predecessors, (1117), 243 states have call successors, (243), 48 states have call predecessors, (243), 51 states have return successors, (255), 245 states have call predecessors, (255), 243 states have call successors, (255) [2023-11-23 10:19:00,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1615 transitions. [2023-11-23 10:19:00,771 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1615 transitions. Word has length 83 [2023-11-23 10:19:00,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:19:00,771 INFO L495 AbstractCegarLoop]: Abstraction has 1067 states and 1615 transitions. [2023-11-23 10:19:00,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:00,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1615 transitions. [2023-11-23 10:19:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 10:19:00,777 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:00,778 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-11-23 10:19:00,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 10:19:00,778 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:00,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:00,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1634877590, now seen corresponding path program 1 times [2023-11-23 10:19:00,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:19:00,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873894411] [2023-11-23 10:19:00,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:00,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:19:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:19:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:19:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:19:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:19:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:19:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 10:19:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 10:19:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-23 10:19:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 10:19:01,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:19:01,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873894411] [2023-11-23 10:19:01,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873894411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:19:01,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:19:01,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 10:19:01,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004772959] [2023-11-23 10:19:01,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:19:01,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 10:19:01,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:19:01,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 10:19:01,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-23 10:19:01,829 INFO L87 Difference]: Start difference. First operand 1067 states and 1615 transitions. Second operand has 11 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:10,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:10,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:19:10,999 INFO L93 Difference]: Finished difference Result 2145 states and 3247 transitions. [2023-11-23 10:19:10,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 10:19:11,000 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 84 [2023-11-23 10:19:11,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:19:11,007 INFO L225 Difference]: With dead ends: 2145 [2023-11-23 10:19:11,007 INFO L226 Difference]: Without dead ends: 1096 [2023-11-23 10:19:11,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-11-23 10:19:11,013 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 306 mSDsluCounter, 8028 mSDsCounter, 0 mSdLazyCounter, 4526 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 9308 SdHoareTripleChecker+Invalid, 4801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 4526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-23 10:19:11,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 9308 Invalid, 4801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 4526 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-11-23 10:19:11,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-11-23 10:19:11,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1062. [2023-11-23 10:19:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 768 states have (on average 1.4479166666666667) internal successors, (1112), 776 states have internal predecessors, (1112), 243 states have call successors, (243), 48 states have call predecessors, (243), 50 states have return successors, (252), 244 states have call predecessors, (252), 243 states have call successors, (252) [2023-11-23 10:19:11,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1607 transitions. [2023-11-23 10:19:11,056 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1607 transitions. Word has length 84 [2023-11-23 10:19:11,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:19:11,057 INFO L495 AbstractCegarLoop]: Abstraction has 1062 states and 1607 transitions. [2023-11-23 10:19:11,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:11,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1607 transitions. [2023-11-23 10:19:11,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 10:19:11,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:11,060 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-11-23 10:19:11,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 10:19:11,061 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:11,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:11,061 INFO L85 PathProgramCache]: Analyzing trace with hash 984386082, now seen corresponding path program 1 times [2023-11-23 10:19:11,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:19:11,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625695540] [2023-11-23 10:19:11,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:11,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:19:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:11,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:11,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:19:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:19:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:19:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:19:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:19:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 10:19:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 10:19:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:19:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 10:19:12,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:19:12,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625695540] [2023-11-23 10:19:12,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625695540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:19:12,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:19:12,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 10:19:12,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469933192] [2023-11-23 10:19:12,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:19:12,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 10:19:12,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:19:12,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 10:19:12,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:19:12,050 INFO L87 Difference]: Start difference. First operand 1062 states and 1607 transitions. Second operand has 10 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:20,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:21,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:19:21,999 INFO L93 Difference]: Finished difference Result 2143 states and 3246 transitions. [2023-11-23 10:19:21,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:19:22,000 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 84 [2023-11-23 10:19:22,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:19:22,007 INFO L225 Difference]: With dead ends: 2143 [2023-11-23 10:19:22,007 INFO L226 Difference]: Without dead ends: 1099 [2023-11-23 10:19:22,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:19:22,012 INFO L413 NwaCegarLoop]: 1285 mSDtfsCounter, 308 mSDsluCounter, 6889 mSDsCounter, 0 mSdLazyCounter, 4087 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 8174 SdHoareTripleChecker+Invalid, 4362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 4087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-23 10:19:22,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 8174 Invalid, 4362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 4087 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-11-23 10:19:22,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2023-11-23 10:19:22,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1067. [2023-11-23 10:19:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 772 states have (on average 1.4468911917098446) internal successors, (1117), 780 states have internal predecessors, (1117), 243 states have call successors, (243), 48 states have call predecessors, (243), 51 states have return successors, (255), 245 states have call predecessors, (255), 243 states have call successors, (255) [2023-11-23 10:19:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1615 transitions. [2023-11-23 10:19:22,052 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1615 transitions. Word has length 84 [2023-11-23 10:19:22,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:19:22,052 INFO L495 AbstractCegarLoop]: Abstraction has 1067 states and 1615 transitions. [2023-11-23 10:19:22,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 9 states have internal predecessors, (45), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:22,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1615 transitions. [2023-11-23 10:19:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 10:19:22,055 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:22,055 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-11-23 10:19:22,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 10:19:22,056 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:22,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:22,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1963690826, now seen corresponding path program 1 times [2023-11-23 10:19:22,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:19:22,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190988670] [2023-11-23 10:19:22,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:22,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:19:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:19:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:19:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:19:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:22,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:19:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:22,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:19:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 10:19:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:22,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 10:19:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:23,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-23 10:19:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 10:19:23,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:19:23,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190988670] [2023-11-23 10:19:23,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190988670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:19:23,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:19:23,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 10:19:23,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820073029] [2023-11-23 10:19:23,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:19:23,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 10:19:23,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:19:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 10:19:23,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-23 10:19:23,016 INFO L87 Difference]: Start difference. First operand 1067 states and 1615 transitions. Second operand has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:32,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:35,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:19:35,127 INFO L93 Difference]: Finished difference Result 2145 states and 3247 transitions. [2023-11-23 10:19:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 10:19:35,128 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 85 [2023-11-23 10:19:35,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:19:35,135 INFO L225 Difference]: With dead ends: 2145 [2023-11-23 10:19:35,136 INFO L226 Difference]: Without dead ends: 1096 [2023-11-23 10:19:35,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-11-23 10:19:35,142 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 303 mSDsluCounter, 9008 mSDsCounter, 0 mSdLazyCounter, 5154 mSolverCounterSat, 274 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 10289 SdHoareTripleChecker+Invalid, 5429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 5154 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2023-11-23 10:19:35,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 10289 Invalid, 5429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 5154 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2023-11-23 10:19:35,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-11-23 10:19:35,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1062. [2023-11-23 10:19:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 768 states have (on average 1.4479166666666667) internal successors, (1112), 776 states have internal predecessors, (1112), 243 states have call successors, (243), 48 states have call predecessors, (243), 50 states have return successors, (252), 244 states have call predecessors, (252), 243 states have call successors, (252) [2023-11-23 10:19:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1607 transitions. [2023-11-23 10:19:35,180 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1607 transitions. Word has length 85 [2023-11-23 10:19:35,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:19:35,180 INFO L495 AbstractCegarLoop]: Abstraction has 1062 states and 1607 transitions. [2023-11-23 10:19:35,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1607 transitions. [2023-11-23 10:19:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 10:19:35,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:35,183 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-11-23 10:19:35,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 10:19:35,184 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:35,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:35,184 INFO L85 PathProgramCache]: Analyzing trace with hash -435045861, now seen corresponding path program 1 times [2023-11-23 10:19:35,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:19:35,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806489033] [2023-11-23 10:19:35,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:35,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:19:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:19:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:19:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:19:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:19:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:19:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 10:19:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 10:19:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:19:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 10:19:36,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:19:36,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806489033] [2023-11-23 10:19:36,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806489033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:19:36,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:19:36,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 10:19:36,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854115488] [2023-11-23 10:19:36,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:19:36,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 10:19:36,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:19:36,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 10:19:36,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:19:36,241 INFO L87 Difference]: Start difference. First operand 1062 states and 1607 transitions. Second operand has 10 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:44,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:45,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:46,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:19:46,651 INFO L93 Difference]: Finished difference Result 2143 states and 3246 transitions. [2023-11-23 10:19:46,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 10:19:46,652 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 85 [2023-11-23 10:19:46,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:19:46,658 INFO L225 Difference]: With dead ends: 2143 [2023-11-23 10:19:46,659 INFO L226 Difference]: Without dead ends: 1099 [2023-11-23 10:19:46,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-11-23 10:19:46,664 INFO L413 NwaCegarLoop]: 1282 mSDtfsCounter, 311 mSDsluCounter, 6879 mSDsCounter, 0 mSdLazyCounter, 4074 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 8161 SdHoareTripleChecker+Invalid, 4351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 4074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-11-23 10:19:46,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 8161 Invalid, 4351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 4074 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2023-11-23 10:19:46,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2023-11-23 10:19:46,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1067. [2023-11-23 10:19:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 772 states have (on average 1.4468911917098446) internal successors, (1117), 780 states have internal predecessors, (1117), 243 states have call successors, (243), 48 states have call predecessors, (243), 51 states have return successors, (255), 245 states have call predecessors, (255), 243 states have call successors, (255) [2023-11-23 10:19:46,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1615 transitions. [2023-11-23 10:19:46,732 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1615 transitions. Word has length 85 [2023-11-23 10:19:46,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:19:46,732 INFO L495 AbstractCegarLoop]: Abstraction has 1067 states and 1615 transitions. [2023-11-23 10:19:46,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:46,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1615 transitions. [2023-11-23 10:19:46,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 10:19:46,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:46,735 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-11-23 10:19:46,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 10:19:46,736 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:46,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:46,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1278559197, now seen corresponding path program 1 times [2023-11-23 10:19:46,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:19:46,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965223360] [2023-11-23 10:19:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:46,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:19:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:19:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:19:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 10:19:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-23 10:19:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 10:19:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:19:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:19:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 10:19:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 10:19:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:19:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:19:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-23 10:19:47,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:19:47,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965223360] [2023-11-23 10:19:47,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965223360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:19:47,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:19:47,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-23 10:19:47,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4096566] [2023-11-23 10:19:47,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:19:47,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 10:19:47,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:19:47,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 10:19:47,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-23 10:19:47,737 INFO L87 Difference]: Start difference. First operand 1067 states and 1615 transitions. Second operand has 11 states, 9 states have (on average 5.222222222222222) internal successors, (47), 10 states have internal predecessors, (47), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:56,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 10:19:58,519 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 [] [2023-11-23 10:19:58,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:19:58,750 INFO L93 Difference]: Finished difference Result 2145 states and 3247 transitions. [2023-11-23 10:19:58,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 10:19:58,751 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.222222222222222) internal successors, (47), 10 states have internal predecessors, (47), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 86 [2023-11-23 10:19:58,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:19:58,756 INFO L225 Difference]: With dead ends: 2145 [2023-11-23 10:19:58,756 INFO L226 Difference]: Without dead ends: 1096 [2023-11-23 10:19:58,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-11-23 10:19:58,761 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 304 mSDsluCounter, 8036 mSDsCounter, 0 mSdLazyCounter, 4527 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 9317 SdHoareTripleChecker+Invalid, 4802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 4527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-23 10:19:58,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 9317 Invalid, 4802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 4527 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2023-11-23 10:19:58,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2023-11-23 10:19:58,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1062. [2023-11-23 10:19:58,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 768 states have (on average 1.4479166666666667) internal successors, (1112), 776 states have internal predecessors, (1112), 243 states have call successors, (243), 48 states have call predecessors, (243), 50 states have return successors, (252), 244 states have call predecessors, (252), 243 states have call successors, (252) [2023-11-23 10:19:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1607 transitions. [2023-11-23 10:19:58,795 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1607 transitions. Word has length 86 [2023-11-23 10:19:58,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:19:58,795 INFO L495 AbstractCegarLoop]: Abstraction has 1062 states and 1607 transitions. [2023-11-23 10:19:58,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.222222222222222) internal successors, (47), 10 states have internal predecessors, (47), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-23 10:19:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1607 transitions. [2023-11-23 10:19:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 10:19:58,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:19:58,799 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-11-23 10:19:58,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 10:19:58,799 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:19:58,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:19:58,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1716585455, now seen corresponding path program 1 times [2023-11-23 10:19:58,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:19:58,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999586786] [2023-11-23 10:19:58,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:19:58,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:19:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:19:59,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 10:19:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 10:19:59,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 10:19:59,391 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 10:19:59,392 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 10:19:59,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 10:19:59,396 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:19:59,400 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 10:19:59,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,460 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,461 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret589 [2023-11-23 10:19:59,461 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,462 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,462 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,467 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,468 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret590 [2023-11-23 10:19:59,468 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,469 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,469 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,469 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret592 [2023-11-23 10:19:59,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret594 [2023-11-23 10:19:59,477 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,478 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret595 [2023-11-23 10:19:59,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,479 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret596 [2023-11-23 10:19:59,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,481 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch599 could not be translated [2023-11-23 10:19:59,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch599 could not be translated [2023-11-23 10:19:59,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,486 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem449 could not be translated [2023-11-23 10:19:59,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem459 could not be translated [2023-11-23 10:19:59,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch452 could not be translated [2023-11-23 10:19:59,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem451 could not be translated [2023-11-23 10:19:59,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem450 [2023-11-23 10:19:59,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem471 could not be translated [2023-11-23 10:19:59,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch472 could not be translated [2023-11-23 10:19:59,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret477 could not be translated [2023-11-23 10:19:59,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem471 could not be translated [2023-11-23 10:19:59,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch472 could not be translated [2023-11-23 10:19:59,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated [2023-11-23 10:19:59,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch258 could not be translated [2023-11-23 10:19:59,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem260 [2023-11-23 10:19:59,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem257 could not be translated [2023-11-23 10:19:59,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,493 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:19:59 BoogieIcfgContainer [2023-11-23 10:19:59,516 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 10:19:59,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 10:19:59,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 10:19:59,517 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 10:19:59,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:18:20" (3/4) ... [2023-11-23 10:19:59,519 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 10:19:59,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret589 [2023-11-23 10:19:59,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret590 [2023-11-23 10:19:59,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret592 [2023-11-23 10:19:59,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret594 [2023-11-23 10:19:59,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret595 [2023-11-23 10:19:59,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret596 [2023-11-23 10:19:59,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch599 could not be translated [2023-11-23 10:19:59,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch599 could not be translated [2023-11-23 10:19:59,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem449 could not be translated [2023-11-23 10:19:59,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem459 could not be translated [2023-11-23 10:19:59,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch452 could not be translated [2023-11-23 10:19:59,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem450 [2023-11-23 10:19:59,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem451 could not be translated [2023-11-23 10:19:59,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem471 could not be translated [2023-11-23 10:19:59,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch472 could not be translated [2023-11-23 10:19:59,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret477 could not be translated [2023-11-23 10:19:59,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem471 could not be translated [2023-11-23 10:19:59,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch472 could not be translated [2023-11-23 10:19:59,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated [2023-11-23 10:19:59,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem260 [2023-11-23 10:19:59,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch258 could not be translated [2023-11-23 10:19:59,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem257 could not be translated [2023-11-23 10:19:59,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data [2023-11-23 10:19:59,627 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 10:19:59,628 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 10:19:59,628 INFO L158 Benchmark]: Toolchain (without parser) took 105822.21ms. Allocated memory was 167.8MB in the beginning and 545.3MB in the end (delta: 377.5MB). Free memory was 112.2MB in the beginning and 214.3MB in the end (delta: -102.1MB). Peak memory consumption was 277.0MB. Max. memory is 16.1GB. [2023-11-23 10:19:59,629 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 10:19:59,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1866.09ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 112.2MB in the beginning and 179.6MB in the end (delta: -67.4MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2023-11-23 10:19:59,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.23ms. Allocated memory is still 245.4MB. Free memory was 179.6MB in the beginning and 160.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 10:19:59,630 INFO L158 Benchmark]: Boogie Preprocessor took 200.38ms. Allocated memory is still 245.4MB. Free memory was 160.7MB in the beginning and 140.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 10:19:59,631 INFO L158 Benchmark]: RCFGBuilder took 4549.30ms. Allocated memory is still 245.4MB. Free memory was 140.8MB in the beginning and 71.3MB in the end (delta: 69.5MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2023-11-23 10:19:59,631 INFO L158 Benchmark]: TraceAbstraction took 98881.07ms. Allocated memory was 245.4MB in the beginning and 545.3MB in the end (delta: 299.9MB). Free memory was 71.3MB in the beginning and 229.0MB in the end (delta: -157.7MB). Peak memory consumption was 142.2MB. Max. memory is 16.1GB. [2023-11-23 10:19:59,631 INFO L158 Benchmark]: Witness Printer took 111.02ms. Allocated memory is still 545.3MB. Free memory was 229.0MB in the beginning and 214.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 10:19:59,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 132.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1866.09ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 112.2MB in the beginning and 179.6MB in the end (delta: -67.4MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.23ms. Allocated memory is still 245.4MB. Free memory was 179.6MB in the beginning and 160.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 200.38ms. Allocated memory is still 245.4MB. Free memory was 160.7MB in the beginning and 140.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4549.30ms. Allocated memory is still 245.4MB. Free memory was 140.8MB in the beginning and 71.3MB in the end (delta: 69.5MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. * TraceAbstraction took 98881.07ms. Allocated memory was 245.4MB in the beginning and 545.3MB in the end (delta: 299.9MB). Free memory was 71.3MB in the beginning and 229.0MB in the end (delta: -157.7MB). Peak memory consumption was 142.2MB. Max. memory is 16.1GB. * Witness Printer took 111.02ms. Allocated memory is still 545.3MB. Free memory was 229.0MB in the beginning and 214.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret589 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret590 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret592 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret594 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret595 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret596 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch599 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch599 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem449 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem459 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch452 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem451 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem450 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret477 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch258 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem260 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem257 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret589 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret590 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret592 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret594 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret595 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret596 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch599 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch599 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem449 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem459 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch452 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem450 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem451 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret477 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem471 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch472 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret256 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem260 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch258 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem257 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~__mod_i2c_device_table~0!driver_data - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 6190]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L4032] static int debug ; [L4033] static char const *si4713_supply_names[2U] = { "vio", "vdd"}; [L4034-L4044] static long limiter_times[40U] = { 2000L, 250L, 1000L, 500L, 510L, 1000L, 255L, 2000L, 170L, 3000L, 127L, 4020L, 102L, 5010L, 85L, 6020L, 73L, 7010L, 64L, 7990L, 57L, 8970L, 51L, 10030L, 25L, 20470L, 17L, 30110L, 13L, 39380L, 10L, 51190L, 8L, 63690L, 7L, 73140L, 6L, 85330L, 5L, 102390L}; [L4045-L4048] static unsigned long acomp_rtimes[10U] = { 0UL, 100000UL, 1UL, 200000UL, 2UL, 350000UL, 3UL, 525000UL, 4UL, 1000000UL}; [L4049-L4050] static unsigned long preemphasis_values[6U] = { 2UL, 0UL, 1UL, 1UL, 0UL, 2UL}; [L5667-L5669] static struct v4l2_subdev_core_ops const si4713_subdev_core_ops = {0, 0, 0, 0, 0, 0, 0, & si4713_queryctrl, & si4713_g_ctrl, & si4713_s_ctrl, & si4713_g_ext_ctrls, & si4713_s_ext_ctrls, 0, 0, 0, & si4713_ioctl, 0, 0, 0, 0, 0, 0}; [L5837-L5839] static struct v4l2_subdev_tuner_ops const si4713_subdev_tuner_ops = {0, 0, & si4713_s_frequency, & si4713_g_frequency, 0, 0, & si4713_g_modulator, & si4713_s_modulator, 0, 0}; [L5840-L5841] static struct v4l2_subdev_ops const si4713_subdev_ops = {& si4713_subdev_core_ops, & si4713_subdev_tuner_ops, 0, 0, 0, 0, 0, 0}; [L5971] static struct i2c_device_id const si4713_id[2U] = { {{'s', 'i', '4', '7', '1', '3', '\000'}, 0UL}}; [L5972] struct i2c_device_id const __mod_i2c_device_table ; [L5973-L5977] static struct i2c_driver si4713_i2c_driver = {0U, 0, 0, & si4713_probe, & si4713_remove, 0, 0, 0, 0, 0, {"si4713", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct i2c_device_id const *)(& si4713_id), 0, 0, {0, 0}}; [L5999] int LDV_IN_INTERRUPT ; [L6002] struct v4l2_subdev *var_group1 ; [L6003] struct v4l2_queryctrl *var_group2 ; [L6004] struct v4l2_ext_controls *var_group3 ; [L6005] struct v4l2_control *var_group4 ; [L6006] unsigned int var_si4713_ioctl_33_p1 ; [L6007] void *var_si4713_ioctl_33_p2 ; [L6008] struct v4l2_frequency *var_group5 ; [L6009] struct v4l2_modulator *var_group6 ; [L6010] struct i2c_client *var_group7 ; [L6011] struct i2c_device_id const *var_si4713_probe_38_p1 ; [L6012] int res_si4713_probe_38 ; [L6013] int res_si4713_remove_39 ; [L6014] int var_si4713_handler_0_p0 ; [L6015] void *var_si4713_handler_0_p1 ; [L6016] int ldv_s_si4713_i2c_driver_i2c_driver ; [L6017] int tmp ; [L6018] int tmp___0 ; [L6019] int tmp___1 ; VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6021] CALL, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [LDV_IN_INTERRUPT=0, \old(size)=2456, \result={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=2456] [L6021] RET, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6021] var_group1 = ldv_malloc(sizeof(struct si4713_device)) [L6022] CALL, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) VAL [LDV_IN_INTERRUPT=0, \old(cond)=1, acomp_rtimes={61:0}, cond=1, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; VAL [LDV_IN_INTERRUPT=0, \old(size)=68, \result={18446744073709547521:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, res={18446744073709547521:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=68] [L6022] RET, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}] [L6022] var_group2 = ldv_malloc(sizeof(struct v4l2_queryctrl)) [L6023] COND FALSE !(!var_group2) [L6025] var_group2->id = __VERIFIER_nondet_int() [L6026] CALL, EXPR ldv_malloc(sizeof(struct v4l2_ext_controls)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) VAL [LDV_IN_INTERRUPT=0, \old(cond)=1, acomp_rtimes={61:0}, cond=1, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; VAL [LDV_IN_INTERRUPT=0, \old(size)=28, \result={-4095:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, res={-4095:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=28] [L6026] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_controls)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={18446744073709547521:0}] [L6026] var_group3 = ldv_malloc(sizeof(struct v4l2_ext_controls)) [L6027] COND FALSE !(!var_group3) [L6029] var_group3->ctrl_class = __VERIFIER_nondet_int() [L6030] CALL, EXPR ldv_malloc(sizeof(struct v4l2_ext_control)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [LDV_IN_INTERRUPT=0, \old(size)=20, \result={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=20] [L6030] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_control)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={18446744073709547521:0}, var_group3={-4095:0}] [L6030] var_group3->controls = ldv_malloc(sizeof(struct v4l2_ext_control)) [L6031] CALL, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [LDV_IN_INTERRUPT=0, \old(size)=68, \result={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=68] [L6031] RET, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={18446744073709547521:0}, var_group3={-4095:0}] [L6031] var_group6 = ldv_malloc(sizeof(struct v4l2_modulator)) [L6032] CALL, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [LDV_IN_INTERRUPT=0, \old(size)=1096, \result={0:0}, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, size=1096] [L6032] RET, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [LDV_IN_INTERRUPT=0, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={18446744073709547521:0}, var_group3={-4095:0}, var_group6={0:0}] [L6032] var_group7 = ldv_malloc(sizeof(struct i2c_client)) [L6033] ldv_s_si4713_i2c_driver_i2c_driver = 0 [L6034] LDV_IN_INTERRUPT = 1 [L6035] FCALL ldv_initialize() [L6036] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, var_group1={0:0}, var_group2={18446744073709547521:0}, var_group3={-4095:0}, var_group6={0:0}, var_group7={0:0}] [L6037] CALL, EXPR si4713_module_init() [L5980] int tmp ; [L5982] CALL, EXPR i2c_add_driver(& si4713_i2c_driver) [L3953] int tmp ; [L3955] CALL, EXPR i2c_register_driver(& __this_module, driver) [L6311] return __VERIFIER_nondet_int(); [L3955] RET, EXPR i2c_register_driver(& __this_module, driver) [L3955] tmp = i2c_register_driver(& __this_module, driver) [L3956] return (tmp); [L5982] RET, EXPR i2c_add_driver(& si4713_i2c_driver) [L5982] tmp = i2c_add_driver(& si4713_i2c_driver) [L5983] return (tmp); [L6037] RET, EXPR si4713_module_init() [L6037] tmp = si4713_module_init() [L6038] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, tmp=0, var_group1={0:0}, var_group2={18446744073709547521:0}, var_group3={-4095:0}, var_group6={0:0}, var_group7={0:0}] [L6123] tmp___1 = __VERIFIER_nondet_int() [L6124] COND TRUE tmp___1 != 0 || ldv_s_si4713_i2c_driver_i2c_driver != 0 [L6044] tmp___0 = __VERIFIER_nondet_int() [L6046] case 0: [L6050] case 1: [L6054] case 2: VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={0:0}, var_group2={18446744073709547521:0}, var_group3={-4095:0}, var_group6={0:0}, var_group7={0:0}] [L6055] FCALL ldv_handler_precall() VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={0:0}, var_group2={18446744073709547521:0}, var_group3={-4095:0}, var_group6={0:0}, var_group7={0:0}] [L6056] CALL si4713_s_ext_ctrls(var_group1, var_group3) [L5390] struct si4713_device *sdev ; [L5391] struct v4l2_subdev const *__mptr ; [L5392] int i ; [L5393] int err ; [L5395] __mptr = (struct v4l2_subdev const *)sd [L5396] sdev = (struct si4713_device *)__mptr [L5397] EXPR ctrls->ctrl_class VAL [LDV_IN_INTERRUPT=1, __mptr={0:0}, acomp_rtimes={61:0}, ctrls={-4095:0}, ctrls={-4095:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5397] COND FALSE !(ctrls->ctrl_class != 10158080U) [L5401] i = 0 VAL [LDV_IN_INTERRUPT=1, __mptr={0:0}, acomp_rtimes={61:0}, ctrls={-4095:0}, ctrls={-4095:0}, debug=0, i=0, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5424] EXPR ctrls->count VAL [LDV_IN_INTERRUPT=1, __mptr={0:0}, acomp_rtimes={61:0}, ctrls={-4095:0}, ctrls={-4095:0}, debug=0, i=0, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5424] COND TRUE (__u32 )i < ctrls->count [L5404] EXPR ctrls->controls [L5404] (ctrls->controls + (unsigned long )i)->id [L5405] case 10160389U: VAL [LDV_IN_INTERRUPT=1, __mptr={0:0}, acomp_rtimes={61:0}, ctrls={-4095:0}, ctrls={-4095:0}, debug=0, i=0, limiter_times={60:0}, preemphasis_values={62:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5406] case 10160390U: [L5407] EXPR ctrls->controls [L5407] CALL si4713_write_econtrol_string(sdev, ctrls->controls + (unsigned long )i) [L4812] struct v4l2_queryctrl vqc ; [L4813] int len ; [L4814] s32 rval ; [L4815] char ps_name[97U] ; [L4816] unsigned long tmp ; [L4817] size_t tmp___0 ; [L4818] char radio_text[385U] ; [L4819] unsigned long tmp___1 ; [L4820] size_t tmp___2 ; [L4822] rval = 0 [L4823] EXPR control->id [L4823] vqc.id = control->id [L4824] CALL, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, qc={18446744073709547524:0}, sd={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5476] int rval ; [L5478] rval = 0 [L5479] qc->id [L5480] case 9963785U: [L5483] case 10160386U: [L5486] case 10160387U: [L5489] case 10160385U: [L5492] case 10160389U: VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, qc={18446744073709547524:0}, qc={18446744073709547524:0}, rval=0, sd={0:0}, sd={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5493] CALL, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [LDV_IN_INTERRUPT=1, \old(arg1)=0, \old(arg2)=96, \old(arg3)=8, \old(arg4)=0, acomp_rtimes={61:0}, arg0={18446744073709547524:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6373] return __VERIFIER_nondet_int(); [L5493] RET, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, qc={18446744073709547524:0}, qc={18446744073709547524:0}, rval=0, sd={0:0}, sd={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L5493] rval = v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) [L5545] return (rval); [L4824] RET, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, control={0:0}, control={0:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, ps_name={18446744073709547523:0}, radio_text={18446744073709547525:0}, rval=0, sdev={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, vqc={18446744073709547524:0}] [L4824] rval = si4713_queryctrl(& sdev->sd, & vqc) [L4825] COND FALSE !(rval < 0) [L4829] control->id [L4830] case 10160389U: [L4831] EXPR control->size [L4831] len = (int )(control->size - 1U) [L4830] case 10160389U: [L4837] EXPR control->ldv_23581.string VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, control={0:0}, control={0:0}, debug=0, len=-2, limiter_times={60:0}, preemphasis_values={62:0}, ps_name={18446744073709547523:0}, radio_text={18446744073709547525:0}, rval=0, sdev={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, vqc={18446744073709547524:0}] [L4837-L4838] CALL ldv_copy_from_user_7((void *)(& ps_name), (void const *)control->ldv_23581.string, (unsigned long )len) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6179] unsigned long tmp ; VAL [LDV_IN_INTERRUPT=1, \old(n)=18446744073709551614, acomp_rtimes={61:0}, debug=0, from={18446744073709547527:18446744073709547543}, from={18446744073709547527:18446744073709547543}, limiter_times={60:0}, n=18446744073709551614, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}, to={18446744073709547523:0}, to={18446744073709547523:0}] [L6181] CALL ldv_check_len((long )n) VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] [L6233] COND FALSE !(n >= 0L) [L6235] CALL ldv_error() [L6190] reach_error() VAL [LDV_IN_INTERRUPT=1, acomp_rtimes={61:0}, debug=0, limiter_times={60:0}, preemphasis_values={62:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={63:0}, si4713_subdev_ops={65:0}, si4713_subdev_tuner_ops={64:0}, si4713_supply_names={59:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 1060 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 98.7s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 85.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 2629 SdHoareTripleChecker+Valid, 83.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2383 mSDsluCounter, 81939 SdHoareTripleChecker+Invalid, 78.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68674 mSDsCounter, 2086 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35246 IncrementalHoareTripleChecker+Invalid, 37336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2086 mSolverCounterUnsat, 13265 mSDtfsCounter, 35246 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 482 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1067occurred in iteration=5, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 259 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 1074 NumberOfCodeBlocks, 1074 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 976 ConstructedInterpolants, 0 QuantifiedInterpolants, 2156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2566 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 744/760 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-23 10:19:59,872 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-23 10:19:59,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE