./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx --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 1610c58515d73bdfdad707c23c4cb637664025646e23343fbae03dec8c78d8dc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:58:16,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:58:16,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 20:58:16,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:58:16,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:58:16,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:58:16,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:58:16,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:58:16,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:58:16,136 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:58:16,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:58:16,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:58:16,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:58:16,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:58:16,140 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:58:16,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:58:16,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:58:16,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:58:16,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:58:16,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:58:16,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:58:16,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:58:16,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:58:16,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:58:16,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:58:16,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:58:16,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:58:16,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:58:16,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:58:16,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:58:16,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:58:16,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:58:16,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:58:16,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:58:16,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:58:16,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:58:16,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:58:16,154 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:58:16,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:58:16,154 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1610c58515d73bdfdad707c23c4cb637664025646e23343fbae03dec8c78d8dc [2023-11-21 20:58:16,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:58:16,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:58:16,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:58:16,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:58:16,537 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:58:16,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f.i [2023-11-21 20:58:19,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:58:20,431 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:58:20,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f.i [2023-11-21 20:58:20,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/data/1a357659e/7e431e67770f401580ee9ae7394cfba1/FLAGda2c366ad [2023-11-21 20:58:20,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/data/1a357659e/7e431e67770f401580ee9ae7394cfba1 [2023-11-21 20:58:20,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:58:20,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:58:20,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:58:20,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:58:20,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:58:20,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:58:20" (1/1) ... [2023-11-21 20:58:20,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7b4f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:20, skipping insertion in model container [2023-11-21 20:58:20,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:58:20" (1/1) ... [2023-11-21 20:58:20,630 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:58:22,041 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f.i[176229,176242] [2023-11-21 20:58:22,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:58:22,108 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:58:22,404 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f.i[176229,176242] [2023-11-21 20:58:22,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:58:22,574 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:58:22,582 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:58:22,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22 WrapperNode [2023-11-21 20:58:22,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:58:22,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:58:22,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:58:22,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:58:22,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:22,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:22,851 INFO L138 Inliner]: procedures = 146, calls = 1243, calls flagged for inlining = 65, calls inlined = 65, statements flattened = 3155 [2023-11-21 20:58:22,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:58:22,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:58:22,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:58:22,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:58:22,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:22,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:22,903 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:23,245 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memmove is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 20:58:23,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:23,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:23,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:23,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:23,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:23,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:23,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:58:23,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:58:23,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:58:23,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:58:23,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (1/1) ... [2023-11-21 20:58:23,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:58:23,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:23,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:23,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f99b9a24-a341-4756-9405-2e969b51ad00/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:58:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2023-11-21 20:58:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2023-11-21 20:58:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 20:58:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 20:58:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 20:58:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 20:58:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2023-11-21 20:58:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2023-11-21 20:58:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2023-11-21 20:58:23,536 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2023-11-21 20:58:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2023-11-21 20:58:23,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2023-11-21 20:58:23,538 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2023-11-21 20:58:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2023-11-21 20:58:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-21 20:58:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-21 20:58:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 20:58:23,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 20:58:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2023-11-21 20:58:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2023-11-21 20:58:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2023-11-21 20:58:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2023-11-21 20:58:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2023-11-21 20:58:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2023-11-21 20:58:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 20:58:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 20:58:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 20:58:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 20:58:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2023-11-21 20:58:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2023-11-21 20:58:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 20:58:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 20:58:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 20:58:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-21 20:58:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-21 20:58:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2023-11-21 20:58:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2023-11-21 20:58:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-21 20:58:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-21 20:58:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 20:58:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 20:58:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2023-11-21 20:58:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2023-11-21 20:58:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2023-11-21 20:58:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2023-11-21 20:58:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2023-11-21 20:58:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2023-11-21 20:58:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 20:58:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2023-11-21 20:58:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2023-11-21 20:58:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2023-11-21 20:58:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2023-11-21 20:58:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2023-11-21 20:58:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2023-11-21 20:58:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2023-11-21 20:58:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2023-11-21 20:58:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:58:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 20:58:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2023-11-21 20:58:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2023-11-21 20:58:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 20:58:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2023-11-21 20:58:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2023-11-21 20:58:23,550 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2023-11-21 20:58:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2023-11-21 20:58:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2023-11-21 20:58:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2023-11-21 20:58:23,552 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2023-11-21 20:58:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2023-11-21 20:58:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2023-11-21 20:58:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2023-11-21 20:58:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 20:58:23,553 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 20:58:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 20:58:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 20:58:23,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 20:58:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2023-11-21 20:58:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2023-11-21 20:58:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-21 20:58:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-21 20:58:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2023-11-21 20:58:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2023-11-21 20:58:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 20:58:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 20:58:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2023-11-21 20:58:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2023-11-21 20:58:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 20:58:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 20:58:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 20:58:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 20:58:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-21 20:58:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-21 20:58:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 20:58:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 20:58:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 20:58:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-11-21 20:58:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-11-21 20:58:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2023-11-21 20:58:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2023-11-21 20:58:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2023-11-21 20:58:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2023-11-21 20:58:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2023-11-21 20:58:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2023-11-21 20:58:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2023-11-21 20:58:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2023-11-21 20:58:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2023-11-21 20:58:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2023-11-21 20:58:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2023-11-21 20:58:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2023-11-21 20:58:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 20:58:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-21 20:58:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:58:23,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:58:24,080 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:58:24,084 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:58:29,966 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:58:32,328 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:58:32,328 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 20:58:32,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:32 BoogieIcfgContainer [2023-11-21 20:58:32,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:58:32,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:58:32,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:58:32,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:58:32,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:58:20" (1/3) ... [2023-11-21 20:58:32,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429d6221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:58:32, skipping insertion in model container [2023-11-21 20:58:32,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:22" (2/3) ... [2023-11-21 20:58:32,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429d6221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:58:32, skipping insertion in model container [2023-11-21 20:58:32,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:32" (3/3) ... [2023-11-21 20:58:32,342 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f.i [2023-11-21 20:58:32,363 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:58:32,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 20:58:32,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:58:32,472 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;@1648436c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:58:32,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 20:58:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 865 states, 571 states have (on average 1.3747810858143608) internal successors, (785), 579 states have internal predecessors, (785), 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) [2023-11-21 20:58:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 20:58:32,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:58:32,527 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 20:58:32,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 20:58:32,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:32,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2030460712, now seen corresponding path program 1 times [2023-11-21 20:58:32,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:32,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724784751] [2023-11-21 20:58:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:32,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:58:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 20:58:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-21 20:58:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-21 20:58:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-21 20:58:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-21 20:58:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 20:58:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-21 20:58:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-21 20:58:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-21 20:58:35,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:58:35,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724784751] [2023-11-21 20:58:35,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724784751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:58:35,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:58:35,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-21 20:58:35,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584439324] [2023-11-21 20:58:35,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:58:36,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 20:58:36,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:58:36,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 20:58:36,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-21 20:58:36,050 INFO L87 Difference]: Start difference. First operand has 865 states, 571 states have (on average 1.3747810858143608) internal successors, (785), 579 states have internal predecessors, (785), 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 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 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) [2023-11-21 20:58:40,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:58:42,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:58:44,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:58:46,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:58:48,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:58:50,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:58:52,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:59:08,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:59:09,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:59:11,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:59:12,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:59:14,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:59:16,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:59:16,341 INFO L93 Difference]: Finished difference Result 1744 states and 2579 transitions. [2023-11-21 20:59:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 20:59:16,348 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 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 64 [2023-11-21 20:59:16,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 20:59:16,379 INFO L225 Difference]: With dead ends: 1744 [2023-11-21 20:59:16,379 INFO L226 Difference]: Without dead ends: 891 [2023-11-21 20:59:16,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-21 20:59:16,401 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 223 mSDsluCounter, 4215 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 218 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 5161 SdHoareTripleChecker+Invalid, 3513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2023-11-21 20:59:16,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 5161 Invalid, 3513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [218 Valid, 3285 Invalid, 10 Unknown, 0 Unchecked, 39.8s Time] [2023-11-21 20:59:16,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2023-11-21 20:59:16,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 864. [2023-11-21 20:59:16,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 571 states have (on average 1.362521891418564) internal successors, (778), 578 states have internal predecessors, (778), 243 states have call successors, (243), 48 states have call predecessors, (243), 49 states have return successors, (246), 244 states have call predecessors, (246), 243 states have call successors, (246) [2023-11-21 20:59:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1267 transitions. [2023-11-21 20:59:16,551 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1267 transitions. Word has length 64 [2023-11-21 20:59:16,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 20:59:16,552 INFO L495 AbstractCegarLoop]: Abstraction has 864 states and 1267 transitions. [2023-11-21 20:59:16,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 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) [2023-11-21 20:59:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1267 transitions. [2023-11-21 20:59:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 20:59:16,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:59:16,559 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 20:59:16,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 20:59:16,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 20:59:16,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:59:16,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1131449965, now seen corresponding path program 1 times [2023-11-21 20:59:16,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:59:16,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402470806] [2023-11-21 20:59:16,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:59:16,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:59:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat