./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-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/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 ../sv-benchmarks/c/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.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-16 22:43:04,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 22:43:04,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 22:43:04,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 22:43:04,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 22:43:04,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 22:43:04,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 22:43:04,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 22:43:04,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 22:43:04,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 22:43:04,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 22:43:04,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 22:43:04,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 22:43:04,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 22:43:04,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 22:43:04,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 22:43:04,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 22:43:04,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 22:43:04,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 22:43:04,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 22:43:04,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 22:43:04,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 22:43:04,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 22:43:04,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 22:43:04,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 22:43:04,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 22:43:04,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 22:43:04,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 22:43:04,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 22:43:04,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 22:43:04,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 22:43:04,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 22:43:04,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 22:43:04,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 22:43:04,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 22:43:04,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 22:43:04,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 22:43:04,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 22:43:04,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 22:43:04,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 22:43:04,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 22:43:04,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 22:43:04,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 22:43:04,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 22:43:04,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 22:43:04,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 22:43:04,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 22:43:04,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 22:43:04,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 22:43:04,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 22:43:04,426 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 22:43:04,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 22:43:04,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 22:43:04,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 22:43:04,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 22:43:04,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 22:43:04,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 22:43:04,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 22:43:04,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 22:43:04,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 22:43:04,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 22:43:04,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 22:43:04,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 22:43:04,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 22:43:04,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 22:43:04,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 22:43:04,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 22:43:04,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 22:43:04,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 22:43:04,429 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 22:43:04,430 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 22:43:04,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 22:43:04,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 22:43:04,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2021-11-16 22:43:04,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 22:43:04,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 22:43:04,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 22:43:04,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 22:43:04,622 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 22:43:04,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-16 22:43:04,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5937b7a/85c34e8a23a6484ea64abd81c6df7479/FLAG736f7a75b [2021-11-16 22:43:05,291 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 22:43:05,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-16 22:43:05,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5937b7a/85c34e8a23a6484ea64abd81c6df7479/FLAG736f7a75b [2021-11-16 22:43:05,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba5937b7a/85c34e8a23a6484ea64abd81c6df7479 [2021-11-16 22:43:05,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 22:43:05,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 22:43:05,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 22:43:05,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 22:43:05,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 22:43:05,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:43:05" (1/1) ... [2021-11-16 22:43:05,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7551484c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:05, skipping insertion in model container [2021-11-16 22:43:05,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:43:05" (1/1) ... [2021-11-16 22:43:05,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 22:43:05,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 22:43:06,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2021-11-16 22:43:06,683 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 22:43:06,700 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 22:43:06,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2021-11-16 22:43:06,880 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 22:43:06,937 INFO L208 MainTranslator]: Completed translation [2021-11-16 22:43:06,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06 WrapperNode [2021-11-16 22:43:06,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 22:43:06,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 22:43:06,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 22:43:06,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 22:43:06,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:06,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:07,098 INFO L137 Inliner]: procedures = 146, calls = 1210, calls flagged for inlining = 64, calls inlined = 64, statements flattened = 2788 [2021-11-16 22:43:07,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 22:43:07,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 22:43:07,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 22:43:07,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 22:43:07,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:07,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:07,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:07,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:07,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:07,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:07,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:07,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 22:43:07,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 22:43:07,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 22:43:07,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 22:43:07,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (1/1) ... [2021-11-16 22:43:07,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 22:43:07,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 22:43:07,270 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) [2021-11-16 22:43:07,277 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 [2021-11-16 22:43:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2021-11-16 22:43:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2021-11-16 22:43:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-16 22:43:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-16 22:43:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-16 22:43:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-16 22:43:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2021-11-16 22:43:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2021-11-16 22:43:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2021-11-16 22:43:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2021-11-16 22:43:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2021-11-16 22:43:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2021-11-16 22:43:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2021-11-16 22:43:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2021-11-16 22:43:07,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-16 22:43:07,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-16 22:43:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-16 22:43:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-16 22:43:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-16 22:43:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-16 22:43:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2021-11-16 22:43:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2021-11-16 22:43:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2021-11-16 22:43:07,302 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2021-11-16 22:43:07,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2021-11-16 22:43:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2021-11-16 22:43:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-16 22:43:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-16 22:43:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-16 22:43:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-16 22:43:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2021-11-16 22:43:07,303 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2021-11-16 22:43:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-16 22:43:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-16 22:43:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-16 22:43:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-16 22:43:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-16 22:43:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2021-11-16 22:43:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2021-11-16 22:43:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-16 22:43:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-16 22:43:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-16 22:43:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-16 22:43:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2021-11-16 22:43:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2021-11-16 22:43:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-11-16 22:43:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-11-16 22:43:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2021-11-16 22:43:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2021-11-16 22:43:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 22:43:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2021-11-16 22:43:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2021-11-16 22:43:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2021-11-16 22:43:07,306 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2021-11-16 22:43:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2021-11-16 22:43:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2021-11-16 22:43:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2021-11-16 22:43:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2021-11-16 22:43:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 22:43:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 22:43:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2021-11-16 22:43:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2021-11-16 22:43:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 22:43:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2021-11-16 22:43:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2021-11-16 22:43:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2021-11-16 22:43:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2021-11-16 22:43:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2021-11-16 22:43:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2021-11-16 22:43:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-16 22:43:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-16 22:43:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2021-11-16 22:43:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2021-11-16 22:43:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 22:43:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-16 22:43:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-16 22:43:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 22:43:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 22:43:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2021-11-16 22:43:07,311 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2021-11-16 22:43:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-16 22:43:07,311 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-16 22:43:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2021-11-16 22:43:07,311 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2021-11-16 22:43:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2021-11-16 22:43:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2021-11-16 22:43:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-16 22:43:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-16 22:43:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-16 22:43:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-16 22:43:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 22:43:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-16 22:43:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-16 22:43:07,313 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2021-11-16 22:43:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2021-11-16 22:43:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2021-11-16 22:43:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2021-11-16 22:43:07,314 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2021-11-16 22:43:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2021-11-16 22:43:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2021-11-16 22:43:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2021-11-16 22:43:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2021-11-16 22:43:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2021-11-16 22:43:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2021-11-16 22:43:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2021-11-16 22:43:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-16 22:43:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-16 22:43:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 22:43:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 22:43:07,772 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 22:43:07,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 22:43:11,285 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 22:43:11,294 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 22:43:11,295 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-16 22:43:11,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:43:11 BoogieIcfgContainer [2021-11-16 22:43:11,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 22:43:11,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 22:43:11,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 22:43:11,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 22:43:11,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:43:05" (1/3) ... [2021-11-16 22:43:11,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176ef41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:43:11, skipping insertion in model container [2021-11-16 22:43:11,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:43:06" (2/3) ... [2021-11-16 22:43:11,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176ef41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:43:11, skipping insertion in model container [2021-11-16 22:43:11,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:43:11" (3/3) ... [2021-11-16 22:43:11,304 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-16 22:43:11,308 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 22:43:11,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 22:43:11,345 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 22:43:11,349 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-16 22:43:11,349 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 22:43:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 968 states, 708 states have (on average 1.3785310734463276) internal successors, (976), 716 states have internal predecessors, (976), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) [2021-11-16 22:43:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-16 22:43:11,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:43:11,403 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:43:11,404 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:43:11,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:43:11,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1364499313, now seen corresponding path program 1 times [2021-11-16 22:43:11,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:43:11,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588261150] [2021-11-16 22:43:11,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:43:11,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:43:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:43:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-16 22:43:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-16 22:43:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 22:43:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 22:43:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-16 22:43:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-16 22:43:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-16 22:43:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-16 22:43:11,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:43:11,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588261150] [2021-11-16 22:43:11,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588261150] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 22:43:11,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829734899] [2021-11-16 22:43:11,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:43:11,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 22:43:11,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 22:43:11,857 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) [2021-11-16 22:43:11,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-16 22:43:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:12,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-16 22:43:12,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 22:43:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-16 22:43:12,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 22:43:12,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829734899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:43:12,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 22:43:12,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2021-11-16 22:43:12,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086096124] [2021-11-16 22:43:12,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:43:12,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 22:43:12,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:43:12,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 22:43:12,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 22:43:12,498 INFO L87 Difference]: Start difference. First operand has 968 states, 708 states have (on average 1.3785310734463276) internal successors, (976), 716 states have internal predecessors, (976), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-16 22:43:12,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:43:12,629 INFO L93 Difference]: Finished difference Result 1939 states and 2828 transitions. [2021-11-16 22:43:12,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 22:43:12,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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 87 [2021-11-16 22:43:12,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:43:12,647 INFO L225 Difference]: With dead ends: 1939 [2021-11-16 22:43:12,648 INFO L226 Difference]: Without dead ends: 959 [2021-11-16 22:43:12,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 22:43:12,659 INFO L933 BasicCegarLoop]: 1395 mSDtfsCounter, 3 mSDsluCounter, 4180 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5575 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 22:43:12,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 5575 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 22:43:12,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2021-11-16 22:43:12,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2021-11-16 22:43:12,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 700 states have (on average 1.37) internal successors, (959), 708 states have internal predecessors, (959), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (218), 211 states have call predecessors, (218), 211 states have call successors, (218) [2021-11-16 22:43:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1388 transitions. [2021-11-16 22:43:12,760 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1388 transitions. Word has length 87 [2021-11-16 22:43:12,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:43:12,760 INFO L470 AbstractCegarLoop]: Abstraction has 959 states and 1388 transitions. [2021-11-16 22:43:12,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-16 22:43:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1388 transitions. [2021-11-16 22:43:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-16 22:43:12,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:43:12,767 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:43:12,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-16 22:43:12,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-16 22:43:12,972 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:43:12,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:43:12,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1592292097, now seen corresponding path program 1 times [2021-11-16 22:43:12,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:43:12,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070153383] [2021-11-16 22:43:12,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:43:12,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:43:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:43:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 22:43:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-16 22:43:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-16 22:43:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-16 22:43:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-16 22:43:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-16 22:43:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-16 22:43:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-16 22:43:13,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:43:13,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070153383] [2021-11-16 22:43:13,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070153383] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-16 22:43:13,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271200666] [2021-11-16 22:43:13,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:43:13,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-16 22:43:13,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 22:43:13,226 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) [2021-11-16 22:43:13,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-16 22:43:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:13,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-16 22:43:13,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 22:43:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-16 22:43:13,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-16 22:43:13,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271200666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:43:13,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-16 22:43:13,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2021-11-16 22:43:13,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335875986] [2021-11-16 22:43:13,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:43:13,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 22:43:13,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:43:13,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 22:43:13,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 22:43:13,741 INFO L87 Difference]: Start difference. First operand 959 states and 1388 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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) [2021-11-16 22:43:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:43:13,799 INFO L93 Difference]: Finished difference Result 1910 states and 2763 transitions. [2021-11-16 22:43:13,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 22:43:13,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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 90 [2021-11-16 22:43:13,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:43:13,807 INFO L225 Difference]: With dead ends: 1910 [2021-11-16 22:43:13,808 INFO L226 Difference]: Without dead ends: 959 [2021-11-16 22:43:13,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 22:43:13,826 INFO L933 BasicCegarLoop]: 1379 mSDtfsCounter, 0 mSDsluCounter, 4129 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5508 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 22:43:13,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 5508 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 22:43:13,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2021-11-16 22:43:13,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2021-11-16 22:43:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 700 states have (on average 1.37) internal successors, (959), 708 states have internal predecessors, (959), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (217), 211 states have call predecessors, (217), 211 states have call successors, (217) [2021-11-16 22:43:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1387 transitions. [2021-11-16 22:43:13,854 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1387 transitions. Word has length 90 [2021-11-16 22:43:13,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:43:13,854 INFO L470 AbstractCegarLoop]: Abstraction has 959 states and 1387 transitions. [2021-11-16 22:43:13,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 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) [2021-11-16 22:43:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1387 transitions. [2021-11-16 22:43:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-16 22:43:13,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:43:13,857 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:43:13,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-16 22:43:14,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-16 22:43:14,072 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:43:14,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:43:14,072 INFO L85 PathProgramCache]: Analyzing trace with hash -893601957, now seen corresponding path program 2 times [2021-11-16 22:43:14,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:43:14,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611060855] [2021-11-16 22:43:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:43:14,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:43:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:43:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 22:43:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 22:43:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 22:43:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 22:43:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 22:43:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-16 22:43:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-16 22:43:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-16 22:43:14,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:43:14,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611060855] [2021-11-16 22:43:14,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611060855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:43:14,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:43:14,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-16 22:43:14,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962844790] [2021-11-16 22:43:14,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:43:14,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-16 22:43:14,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:43:14,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-16 22:43:14,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-16 22:43:14,285 INFO L87 Difference]: Start difference. First operand 959 states and 1387 transitions. Second operand has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 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) [2021-11-16 22:43:22,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:23,844 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:26,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:26,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:43:26,738 INFO L93 Difference]: Finished difference Result 2119 states and 3094 transitions. [2021-11-16 22:43:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-16 22:43:26,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 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 93 [2021-11-16 22:43:26,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:43:26,745 INFO L225 Difference]: With dead ends: 2119 [2021-11-16 22:43:26,745 INFO L226 Difference]: Without dead ends: 1183 [2021-11-16 22:43:26,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-11-16 22:43:26,749 INFO L933 BasicCegarLoop]: 1562 mSDtfsCounter, 460 mSDsluCounter, 6563 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 225 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 8125 SdHoareTripleChecker+Invalid, 3061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-11-16 22:43:26,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [541 Valid, 8125 Invalid, 3061 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [225 Valid, 2835 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2021-11-16 22:43:26,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-11-16 22:43:26,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 965. [2021-11-16 22:43:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 705 states have (on average 1.3687943262411348) internal successors, (965), 713 states have internal predecessors, (965), 211 states have call successors, (211), 46 states have call predecessors, (211), 48 states have return successors, (220), 212 states have call predecessors, (220), 211 states have call successors, (220) [2021-11-16 22:43:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1396 transitions. [2021-11-16 22:43:26,806 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1396 transitions. Word has length 93 [2021-11-16 22:43:26,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:43:26,807 INFO L470 AbstractCegarLoop]: Abstraction has 965 states and 1396 transitions. [2021-11-16 22:43:26,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 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) [2021-11-16 22:43:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1396 transitions. [2021-11-16 22:43:26,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-16 22:43:26,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:43:26,809 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:43:26,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-16 22:43:26,810 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:43:26,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:43:26,810 INFO L85 PathProgramCache]: Analyzing trace with hash 995231280, now seen corresponding path program 1 times [2021-11-16 22:43:26,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:43:26,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753220082] [2021-11-16 22:43:26,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:43:26,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:43:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:43:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 22:43:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 22:43:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 22:43:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 22:43:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 22:43:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-16 22:43:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-16 22:43:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-16 22:43:27,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:43:27,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753220082] [2021-11-16 22:43:27,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753220082] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:43:27,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:43:27,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-16 22:43:27,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158069624] [2021-11-16 22:43:27,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:43:27,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-16 22:43:27,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:43:27,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-16 22:43:27,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-16 22:43:27,102 INFO L87 Difference]: Start difference. First operand 965 states and 1396 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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) [2021-11-16 22:43:28,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:36,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:37,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:39,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:41,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:43:41,182 INFO L93 Difference]: Finished difference Result 2677 states and 3973 transitions. [2021-11-16 22:43:41,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-16 22:43:41,183 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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 94 [2021-11-16 22:43:41,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:43:41,192 INFO L225 Difference]: With dead ends: 2677 [2021-11-16 22:43:41,192 INFO L226 Difference]: Without dead ends: 1735 [2021-11-16 22:43:41,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-11-16 22:43:41,197 INFO L933 BasicCegarLoop]: 2135 mSDtfsCounter, 1038 mSDsluCounter, 10767 mSDsCounter, 0 mSdLazyCounter, 3816 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 12902 SdHoareTripleChecker+Invalid, 4142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 3816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-16 22:43:41,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1231 Valid, 12902 Invalid, 4142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 3816 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2021-11-16 22:43:41,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2021-11-16 22:43:41,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 966. [2021-11-16 22:43:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 706 states have (on average 1.368271954674221) internal successors, (966), 714 states have internal predecessors, (966), 211 states have call successors, (211), 46 states have call predecessors, (211), 48 states have return successors, (220), 212 states have call predecessors, (220), 211 states have call successors, (220) [2021-11-16 22:43:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1397 transitions. [2021-11-16 22:43:41,261 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1397 transitions. Word has length 94 [2021-11-16 22:43:41,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:43:41,262 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1397 transitions. [2021-11-16 22:43:41,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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) [2021-11-16 22:43:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1397 transitions. [2021-11-16 22:43:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-16 22:43:41,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:43:41,264 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:43:41,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-16 22:43:41,265 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:43:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:43:41,265 INFO L85 PathProgramCache]: Analyzing trace with hash -980358125, now seen corresponding path program 1 times [2021-11-16 22:43:41,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:43:41,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482518839] [2021-11-16 22:43:41,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:43:41,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:43:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:43:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 22:43:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 22:43:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 22:43:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 22:43:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 22:43:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-16 22:43:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-16 22:43:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-16 22:43:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-16 22:43:41,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:43:41,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482518839] [2021-11-16 22:43:41,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482518839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:43:41,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:43:41,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-16 22:43:41,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118580536] [2021-11-16 22:43:41,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:43:41,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-16 22:43:41,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:43:41,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-16 22:43:41,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-16 22:43:41,524 INFO L87 Difference]: Start difference. First operand 966 states and 1397 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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) [2021-11-16 22:43:48,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:50,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:52,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:54,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:57,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:43:57,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:43:57,216 INFO L93 Difference]: Finished difference Result 2136 states and 3121 transitions. [2021-11-16 22:43:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-16 22:43:57,217 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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 94 [2021-11-16 22:43:57,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:43:57,222 INFO L225 Difference]: With dead ends: 2136 [2021-11-16 22:43:57,222 INFO L226 Difference]: Without dead ends: 1193 [2021-11-16 22:43:57,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-16 22:43:57,226 INFO L933 BasicCegarLoop]: 1555 mSDtfsCounter, 519 mSDsluCounter, 7632 mSDsCounter, 0 mSdLazyCounter, 3468 mSolverCounterSat, 264 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 9187 SdHoareTripleChecker+Invalid, 3735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 3468 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-16 22:43:57,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [581 Valid, 9187 Invalid, 3735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 3468 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2021-11-16 22:43:57,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2021-11-16 22:43:57,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 972. [2021-11-16 22:43:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 711 states have (on average 1.3670886075949367) internal successors, (972), 719 states have internal predecessors, (972), 211 states have call successors, (211), 46 states have call predecessors, (211), 49 states have return successors, (223), 213 states have call predecessors, (223), 211 states have call successors, (223) [2021-11-16 22:43:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1406 transitions. [2021-11-16 22:43:57,251 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1406 transitions. Word has length 94 [2021-11-16 22:43:57,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:43:57,252 INFO L470 AbstractCegarLoop]: Abstraction has 972 states and 1406 transitions. [2021-11-16 22:43:57,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 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) [2021-11-16 22:43:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1406 transitions. [2021-11-16 22:43:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-16 22:43:57,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:43:57,254 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:43:57,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-16 22:43:57,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:43:57,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:43:57,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1694209928, now seen corresponding path program 1 times [2021-11-16 22:43:57,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:43:57,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279178822] [2021-11-16 22:43:57,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:43:57,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:43:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:43:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:43:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 22:43:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 22:43:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 22:43:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 22:43:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 22:43:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-16 22:43:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-16 22:43:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-16 22:43:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:43:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-16 22:43:57,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:43:57,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279178822] [2021-11-16 22:43:57,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279178822] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:43:57,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:43:57,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-16 22:43:57,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953833893] [2021-11-16 22:43:57,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:43:57,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-16 22:43:57,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:43:57,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-16 22:43:57,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-16 22:43:57,469 INFO L87 Difference]: Start difference. First operand 972 states and 1406 transitions. Second operand has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 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) [2021-11-16 22:44:08,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:10,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:12,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:14,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:18,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:44:18,276 INFO L93 Difference]: Finished difference Result 2694 states and 4004 transitions. [2021-11-16 22:44:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-16 22:44:18,276 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 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 95 [2021-11-16 22:44:18,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:44:18,284 INFO L225 Difference]: With dead ends: 2694 [2021-11-16 22:44:18,284 INFO L226 Difference]: Without dead ends: 1745 [2021-11-16 22:44:18,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-11-16 22:44:18,288 INFO L933 BasicCegarLoop]: 2253 mSDtfsCounter, 985 mSDsluCounter, 14586 mSDsCounter, 0 mSdLazyCounter, 5597 mSolverCounterSat, 355 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 16839 SdHoareTripleChecker+Invalid, 5953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 5597 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-11-16 22:44:18,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1159 Valid, 16839 Invalid, 5953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 5597 Invalid, 1 Unknown, 0 Unchecked, 20.5s Time] [2021-11-16 22:44:18,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2021-11-16 22:44:18,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 966. [2021-11-16 22:44:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 706 states have (on average 1.368271954674221) internal successors, (966), 714 states have internal predecessors, (966), 211 states have call successors, (211), 46 states have call predecessors, (211), 48 states have return successors, (220), 212 states have call predecessors, (220), 211 states have call successors, (220) [2021-11-16 22:44:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1397 transitions. [2021-11-16 22:44:18,316 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1397 transitions. Word has length 95 [2021-11-16 22:44:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:44:18,317 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1397 transitions. [2021-11-16 22:44:18,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 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) [2021-11-16 22:44:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1397 transitions. [2021-11-16 22:44:18,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-16 22:44:18,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:44:18,319 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:44:18,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-16 22:44:18,319 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:44:18,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:44:18,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1532932020, now seen corresponding path program 1 times [2021-11-16 22:44:18,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:44:18,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066817218] [2021-11-16 22:44:18,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:44:18,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:44:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:44:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:44:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 22:44:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 22:44:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 22:44:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 22:44:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 22:44:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-16 22:44:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-16 22:44:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 22:44:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-16 22:44:18,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:44:18,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066817218] [2021-11-16 22:44:18,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066817218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:44:18,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:44:18,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-16 22:44:18,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410686402] [2021-11-16 22:44:18,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:44:18,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-16 22:44:18,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:44:18,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-16 22:44:18,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-16 22:44:18,541 INFO L87 Difference]: Start difference. First operand 966 states and 1397 transitions. Second operand has 10 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 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) [2021-11-16 22:44:28,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:29,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:30,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:44:30,123 INFO L93 Difference]: Finished difference Result 2136 states and 3121 transitions. [2021-11-16 22:44:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-16 22:44:30,123 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 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 95 [2021-11-16 22:44:30,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:44:30,146 INFO L225 Difference]: With dead ends: 2136 [2021-11-16 22:44:30,146 INFO L226 Difference]: Without dead ends: 1193 [2021-11-16 22:44:30,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-16 22:44:30,149 INFO L933 BasicCegarLoop]: 1554 mSDtfsCounter, 515 mSDsluCounter, 7625 mSDsCounter, 0 mSdLazyCounter, 3470 mSolverCounterSat, 263 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 9179 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 3470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-11-16 22:44:30,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 9179 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 3470 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2021-11-16 22:44:30,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2021-11-16 22:44:30,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 972. [2021-11-16 22:44:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 711 states have (on average 1.3670886075949367) internal successors, (972), 719 states have internal predecessors, (972), 211 states have call successors, (211), 46 states have call predecessors, (211), 49 states have return successors, (223), 213 states have call predecessors, (223), 211 states have call successors, (223) [2021-11-16 22:44:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1406 transitions. [2021-11-16 22:44:30,174 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1406 transitions. Word has length 95 [2021-11-16 22:44:30,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:44:30,174 INFO L470 AbstractCegarLoop]: Abstraction has 972 states and 1406 transitions. [2021-11-16 22:44:30,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 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) [2021-11-16 22:44:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1406 transitions. [2021-11-16 22:44:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-16 22:44:30,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:44:30,177 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:44:30,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-16 22:44:30,177 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:44:30,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:44:30,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1251688052, now seen corresponding path program 1 times [2021-11-16 22:44:30,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:44:30,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262715111] [2021-11-16 22:44:30,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:44:30,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:44:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:44:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:44:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 22:44:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 22:44:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 22:44:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 22:44:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 22:44:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-16 22:44:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-16 22:44:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-16 22:44:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-16 22:44:30,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:44:30,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262715111] [2021-11-16 22:44:30,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262715111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:44:30,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:44:30,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-16 22:44:30,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668705799] [2021-11-16 22:44:30,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:44:30,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-16 22:44:30,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:44:30,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-16 22:44:30,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-16 22:44:30,398 INFO L87 Difference]: Start difference. First operand 972 states and 1406 transitions. Second operand has 10 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 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) [2021-11-16 22:44:32,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:39,918 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:41,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:43,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:44,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:44:44,194 INFO L93 Difference]: Finished difference Result 2148 states and 3140 transitions. [2021-11-16 22:44:44,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-16 22:44:44,195 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 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 96 [2021-11-16 22:44:44,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:44:44,200 INFO L225 Difference]: With dead ends: 2148 [2021-11-16 22:44:44,200 INFO L226 Difference]: Without dead ends: 1199 [2021-11-16 22:44:44,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-16 22:44:44,203 INFO L933 BasicCegarLoop]: 1557 mSDtfsCounter, 514 mSDsluCounter, 7638 mSDsCounter, 0 mSdLazyCounter, 3485 mSolverCounterSat, 263 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 9195 SdHoareTripleChecker+Invalid, 3751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 3485 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-11-16 22:44:44,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [576 Valid, 9195 Invalid, 3751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 3485 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2021-11-16 22:44:44,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2021-11-16 22:44:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 972. [2021-11-16 22:44:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 711 states have (on average 1.3670886075949367) internal successors, (972), 719 states have internal predecessors, (972), 211 states have call successors, (211), 46 states have call predecessors, (211), 49 states have return successors, (223), 213 states have call predecessors, (223), 211 states have call successors, (223) [2021-11-16 22:44:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1406 transitions. [2021-11-16 22:44:44,231 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1406 transitions. Word has length 96 [2021-11-16 22:44:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:44:44,231 INFO L470 AbstractCegarLoop]: Abstraction has 972 states and 1406 transitions. [2021-11-16 22:44:44,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 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) [2021-11-16 22:44:44,231 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1406 transitions. [2021-11-16 22:44:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-16 22:44:44,233 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:44:44,233 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:44:44,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-16 22:44:44,234 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:44:44,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:44:44,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1091626761, now seen corresponding path program 1 times [2021-11-16 22:44:44,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:44:44,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334982129] [2021-11-16 22:44:44,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:44:44,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:44:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:44:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:44:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 22:44:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 22:44:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 22:44:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 22:44:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 22:44:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-16 22:44:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-16 22:44:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-16 22:44:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:44:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-16 22:44:44,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:44:44,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334982129] [2021-11-16 22:44:44,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334982129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:44:44,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:44:44,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-16 22:44:44,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422468587] [2021-11-16 22:44:44,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:44:44,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-16 22:44:44,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:44:44,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-16 22:44:44,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-16 22:44:44,441 INFO L87 Difference]: Start difference. First operand 972 states and 1406 transitions. Second operand has 11 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 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) [2021-11-16 22:44:53,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:55,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:44:57,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:45:02,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:45:02,921 INFO L93 Difference]: Finished difference Result 2700 states and 4016 transitions. [2021-11-16 22:45:02,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-16 22:45:02,922 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 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 96 [2021-11-16 22:45:02,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:45:02,929 INFO L225 Difference]: With dead ends: 2700 [2021-11-16 22:45:02,929 INFO L226 Difference]: Without dead ends: 1751 [2021-11-16 22:45:02,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-11-16 22:45:02,932 INFO L933 BasicCegarLoop]: 2173 mSDtfsCounter, 1062 mSDsluCounter, 14074 mSDsCounter, 0 mSdLazyCounter, 5522 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 16247 SdHoareTripleChecker+Invalid, 5878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 5522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2021-11-16 22:45:02,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1235 Valid, 16247 Invalid, 5878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 5522 Invalid, 0 Unknown, 0 Unchecked, 18.2s Time] [2021-11-16 22:45:02,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2021-11-16 22:45:02,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 972. [2021-11-16 22:45:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 711 states have (on average 1.3670886075949367) internal successors, (972), 719 states have internal predecessors, (972), 211 states have call successors, (211), 46 states have call predecessors, (211), 49 states have return successors, (223), 213 states have call predecessors, (223), 211 states have call successors, (223) [2021-11-16 22:45:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1406 transitions. [2021-11-16 22:45:02,960 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1406 transitions. Word has length 96 [2021-11-16 22:45:02,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:45:02,960 INFO L470 AbstractCegarLoop]: Abstraction has 972 states and 1406 transitions. [2021-11-16 22:45:02,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 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) [2021-11-16 22:45:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1406 transitions. [2021-11-16 22:45:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-16 22:45:02,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:45:02,963 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:45:02,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-16 22:45:02,963 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:45:02,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:45:02,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1515503073, now seen corresponding path program 1 times [2021-11-16 22:45:02,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:45:02,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110629398] [2021-11-16 22:45:02,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:45:02,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:45:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-16 22:45:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-16 22:45:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-16 22:45:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-16 22:45:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-16 22:45:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-16 22:45:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-16 22:45:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-16 22:45:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-16 22:45:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-16 22:45:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 22:45:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-16 22:45:03,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 22:45:03,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110629398] [2021-11-16 22:45:03,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110629398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 22:45:03,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 22:45:03,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-16 22:45:03,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853045788] [2021-11-16 22:45:03,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 22:45:03,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-16 22:45:03,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 22:45:03,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-16 22:45:03,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-16 22:45:03,166 INFO L87 Difference]: Start difference. First operand 972 states and 1406 transitions. Second operand has 11 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 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) [2021-11-16 22:45:12,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-16 22:45:17,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 22:45:17,114 INFO L93 Difference]: Finished difference Result 2694 states and 4004 transitions. [2021-11-16 22:45:17,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-16 22:45:17,115 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 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 97 [2021-11-16 22:45:17,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 22:45:17,122 INFO L225 Difference]: With dead ends: 2694 [2021-11-16 22:45:17,122 INFO L226 Difference]: Without dead ends: 1745 [2021-11-16 22:45:17,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2021-11-16 22:45:17,125 INFO L933 BasicCegarLoop]: 2193 mSDtfsCounter, 1046 mSDsluCounter, 12585 mSDsCounter, 0 mSdLazyCounter, 4835 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 14778 SdHoareTripleChecker+Invalid, 5191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 4835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-16 22:45:17,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1217 Valid, 14778 Invalid, 5191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 4835 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2021-11-16 22:45:17,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2021-11-16 22:45:17,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 966. [2021-11-16 22:45:17,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 706 states have (on average 1.368271954674221) internal successors, (966), 714 states have internal predecessors, (966), 211 states have call successors, (211), 46 states have call predecessors, (211), 48 states have return successors, (220), 212 states have call predecessors, (220), 211 states have call successors, (220) [2021-11-16 22:45:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1397 transitions. [2021-11-16 22:45:17,152 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1397 transitions. Word has length 97 [2021-11-16 22:45:17,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 22:45:17,152 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1397 transitions. [2021-11-16 22:45:17,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.333333333333333) internal successors, (57), 10 states have internal predecessors, (57), 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) [2021-11-16 22:45:17,152 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1397 transitions. [2021-11-16 22:45:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-16 22:45:17,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 22:45:17,154 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:45:17,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-16 22:45:17,154 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 22:45:17,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 22:45:17,155 INFO L85 PathProgramCache]: Analyzing trace with hash -767800307, now seen corresponding path program 1 times [2021-11-16 22:45:17,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 22:45:17,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030443709] [2021-11-16 22:45:17,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 22:45:17,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 22:45:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-16 22:45:17,372 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-16 22:45:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-16 22:45:17,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-16 22:45:17,547 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-16 22:45:17,547 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-16 22:45:17,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-16 22:45:17,550 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 22:45:17,553 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-16 22:45:17,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 10:45:17 BoogieIcfgContainer [2021-11-16 22:45:17,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-16 22:45:17,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-16 22:45:17,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-16 22:45:17,640 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-16 22:45:17,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:43:11" (3/4) ... [2021-11-16 22:45:17,642 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-16 22:45:17,714 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-16 22:45:17,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-16 22:45:17,715 INFO L158 Benchmark]: Toolchain (without parser) took 132016.15ms. Allocated memory was 104.9MB in the beginning and 325.1MB in the end (delta: 220.2MB). Free memory was 78.2MB in the beginning and 131.4MB in the end (delta: -53.1MB). Peak memory consumption was 166.7MB. Max. memory is 16.1GB. [2021-11-16 22:45:17,715 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 22:45:17,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1238.10ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 78.2MB in the beginning and 68.3MB in the end (delta: 9.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2021-11-16 22:45:17,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.21ms. Allocated memory is still 134.2MB. Free memory was 68.3MB in the beginning and 78.5MB in the end (delta: -10.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-16 22:45:17,716 INFO L158 Benchmark]: Boogie Preprocessor took 146.47ms. Allocated memory is still 134.2MB. Free memory was 78.5MB in the beginning and 62.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-16 22:45:17,717 INFO L158 Benchmark]: RCFGBuilder took 4051.30ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 62.3MB in the beginning and 65.0MB in the end (delta: -2.7MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2021-11-16 22:45:17,717 INFO L158 Benchmark]: TraceAbstraction took 126340.16ms. Allocated memory was 190.8MB in the beginning and 325.1MB in the end (delta: 134.2MB). Free memory was 65.0MB in the beginning and 149.2MB in the end (delta: -84.2MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2021-11-16 22:45:17,717 INFO L158 Benchmark]: Witness Printer took 75.38ms. Allocated memory is still 325.1MB. Free memory was 149.2MB in the beginning and 131.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-16 22:45:17,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1238.10ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 78.2MB in the beginning and 68.3MB in the end (delta: 9.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.21ms. Allocated memory is still 134.2MB. Free memory was 68.3MB in the beginning and 78.5MB in the end (delta: -10.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.47ms. Allocated memory is still 134.2MB. Free memory was 78.5MB in the beginning and 62.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4051.30ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 62.3MB in the beginning and 65.0MB in the end (delta: -2.7MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. * TraceAbstraction took 126340.16ms. Allocated memory was 190.8MB in the beginning and 325.1MB in the end (delta: 134.2MB). Free memory was 65.0MB in the beginning and 149.2MB in the end (delta: -84.2MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * Witness Printer took 75.38ms. Allocated memory is still 325.1MB. Free memory was 149.2MB in the beginning and 131.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - 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 ; VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [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 [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L6021] CALL, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [\old(size)=2456, \result={0:0}, __mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, size=2456] [L6021] RET, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct si4713_device))={0:0}, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L6021] var_group1 = ldv_malloc(sizeof(struct si4713_device)) [L6022] CALL, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [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)); VAL [\result=0, __mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, ptr={-18446744073709555711:0}, ptr={-18446744073709555711:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_i2c_device_table=0, acomp_rtimes={67:0}, cond=1, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; VAL [\old(size)=68, \result={-18446744073709555711:0}, __mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, res={-18446744073709555711:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, size=68] [L6022] RET, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_queryctrl))={-18446744073709555711:0}, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, 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 [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [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)); VAL [\result=0, __mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, ptr={-36893488147419107327:0}, ptr={-36893488147419107327:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_i2c_device_table=0, acomp_rtimes={67:0}, cond=1, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; VAL [\old(size)=28, \result={-36893488147419107327:0}, __mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, res={-36893488147419107327:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, size=28] [L6026] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_controls)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_ext_controls))={-36893488147419107327:0}, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, var_group1={0:0}, var_group2={-18446744073709555711:0}] [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 [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [\old(size)=20, \result={0:0}, __mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, size=20] [L6030] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_control)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_ext_control))={0:0}, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, var_group1={0:0}, var_group2={-18446744073709555711:0}, var_group3={-36893488147419107327:0}] [L6030] var_group3->controls = ldv_malloc(sizeof(struct v4l2_ext_control)) [L6031] CALL, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [\old(size)=68, \result={0:0}, __mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, size=68] [L6031] RET, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_modulator))={0:0}, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, var_group1={0:0}, var_group2={-18446744073709555711:0}, var_group3={-36893488147419107327:0}] [L6031] var_group6 = ldv_malloc(sizeof(struct v4l2_modulator)) [L6032] CALL, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [\old(size)=1096, \result={0:0}, __mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, size=1096] [L6032] RET, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct i2c_client))={0:0}, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, var_group1={0:0}, var_group2={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, 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 [__mod_i2c_device_table=0, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, var_group1={0:0}, var_group2={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, 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); VAL [\result=0, __mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, driver={63:0}, driver={63:0}, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, tmp=0] [L5982] RET, EXPR i2c_add_driver(& si4713_i2c_driver) [L5982] tmp = i2c_add_driver(& si4713_i2c_driver) [L5983] return (tmp); VAL [\result=0, __mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, tmp=0] [L6037] RET, EXPR si4713_module_init() [L6037] tmp = si4713_module_init() [L6038] COND FALSE !(tmp != 0) VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, tmp=0, var_group1={0:0}, var_group2={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, 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 VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, tmp=0, tmp___1=1, var_group1={0:0}, var_group2={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, var_group6={0:0}, var_group7={0:0}] [L6044] tmp___0 = __VERIFIER_nondet_int() [L6046] case 0: [L6050] case 1: [L6054] case 2: VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={0:0}, var_group2={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, var_group6={0:0}, var_group7={0:0}] [L6055] FCALL ldv_handler_precall() VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={0:0}, var_group2={-18446744073709555711:0}, var_group3={-36893488147419107327:0}, 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 [__mod_i2c_device_table=0, __mptr={0:0}, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, ctrls={-36893488147419107327:0}, ctrls={-36893488147419107327:0}, ctrls->ctrl_class=10158080, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L5397] COND FALSE !(ctrls->ctrl_class != 10158080U) [L5401] i = 0 VAL [__mod_i2c_device_table=0, __mptr={0:0}, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, ctrls={-36893488147419107327:0}, ctrls={-36893488147419107327:0}, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L5424] EXPR ctrls->count VAL [__mod_i2c_device_table=0, __mptr={0:0}, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, ctrls={-36893488147419107327:0}, ctrls={-36893488147419107327:0}, ctrls->count=4294967297, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L5424] COND TRUE (__u32 )i < ctrls->count [L5404] EXPR ctrls->controls [L5404] (ctrls->controls + (unsigned long )i)->id [L5405] case 10160389U: VAL [(ctrls->controls + (unsigned long )i)->id=10160389, __mod_i2c_device_table=0, __mptr={0:0}, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, ctrls={-36893488147419107327:0}, ctrls={-36893488147419107327:0}, ctrls->controls={0:0}, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [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 [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, qc={77:0}, sd={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [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 [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, qc={77:0}, qc={77:0}, qc->id=10160389, rval=0, sd={0:0}, sd={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L5493] CALL, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [\old(arg1)=0, \old(arg2)=96, \old(arg3)=8, \old(arg4)=0, __mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, arg0={77:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L6373] return __VERIFIER_nondet_int(); [L5493] RET, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, qc={77:0}, qc={77:0}, qc->id=10160389, rval=0, sd={0:0}, sd={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, v4l2_ctrl_query_fill(qc, 0, 96, 8, 0)=0] [L5493] rval = v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) [L5545] return (rval); VAL [\result=0, __mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, qc={77:0}, qc={77:0}, qc->id=10160389, rval=0, sd={0:0}, sd={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L4824] RET, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, control={0:0}, control={0:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, ps_name={61:0}, radio_text={75:0}, rval=0, sdev={0:0}, sdev={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_queryctrl(& sdev->sd, & vqc)=0, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, vqc={77:0}] [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) [L4832] COND FALSE !(len > 96) [L4837] EXPR control->ldv_23581.string VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, control={0:0}, control={0:0}, control->id=10160389, control->ldv_23581.string={4294967306:4294967301}, debug=0, LDV_IN_INTERRUPT=1, len=-2, limiter_times={62:0}, preemphasis_values={65:0}, ps_name={61:0}, radio_text={75:0}, rval=0, sdev={0:0}, sdev={0:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, vqc={77:0}] [L4837-L4838] CALL ldv_copy_from_user_7((void *)(& ps_name), (void const *)control->ldv_23581.string, (unsigned long )len) VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L6179] unsigned long tmp ; VAL [\old(n)=-2, __mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, from={4294967306:4294967301}, from={4294967306:4294967301}, LDV_IN_INTERRUPT=1, limiter_times={62:0}, n=-2, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}, to={61:0}, to={61:0}] [L6181] CALL ldv_check_len((long )n) VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] [L6233] COND FALSE !(n >= 0L) [L6235] CALL ldv_error() [L6190] reach_error() VAL [__mod_i2c_device_table=0, __this_module={4294967320:4294967307}, acomp_rtimes={67:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={62:0}, preemphasis_values={65:0}, si4713_i2c_driver={63:0}, si4713_id={71:0}, si4713_subdev_core_ops={70:0}, si4713_subdev_ops={74:0}, si4713_subdev_tuner_ops={69:0}, si4713_supply_names={66:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 968 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 126.2s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 121.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 7120 SdHoareTripleChecker+Valid, 119.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6142 mSDsluCounter, 107535 SdHoareTripleChecker+Invalid, 112.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 89779 mSDsCounter, 2409 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33050 IncrementalHoareTripleChecker+Invalid, 35468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2409 mSolverCounterUnsat, 17756 mSDtfsCounter, 33050 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 517 GetRequests, 385 SyntacticMatches, 4 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=972occurred in iteration=5, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 3993 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1211 NumberOfCodeBlocks, 1211 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1102 ConstructedInterpolants, 0 QuantifiedInterpolants, 2378 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2400 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 754/768 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! [2021-11-16 22:45:17,913 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 0 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