./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.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 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 18:59:37,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 18:59:37,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 18:59:37,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 18:59:37,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 18:59:37,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 18:59:37,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 18:59:37,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 18:59:37,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 18:59:37,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 18:59:37,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 18:59:37,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 18:59:37,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 18:59:37,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 18:59:37,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 18:59:37,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 18:59:37,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 18:59:37,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 18:59:37,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 18:59:37,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 18:59:37,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 18:59:37,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 18:59:37,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 18:59:37,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 18:59:37,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 18:59:37,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 18:59:37,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 18:59:37,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 18:59:37,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 18:59:37,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 18:59:37,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 18:59:37,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 18:59:37,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 18:59:37,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 18:59:37,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 18:59:37,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 18:59:37,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 18:59:37,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 18:59:37,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 18:59:37,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 18:59:37,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 18:59:37,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 18:59:37,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 18:59:37,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 18:59:37,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 18:59:37,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 18:59:37,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 18:59:37,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 18:59:37,294 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 18:59:37,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 18:59:37,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 18:59:37,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 18:59:37,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 18:59:37,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 18:59:37,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 18:59:37,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 18:59:37,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 18:59:37,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 18:59:37,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 18:59:37,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 18:59:37,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 18:59:37,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 18:59:37,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 18:59:37,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 18:59:37,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 18:59:37,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 18:59:37,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 18:59:37,298 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 18:59:37,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 18:59:37,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 18:59:37,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 18:59:37,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2021-11-07 18:59:37,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 18:59:37,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 18:59:37,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 18:59:37,574 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 18:59:37,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 18:59:37,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-07 18:59:37,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece28c84e/8159bb14013c48f6aaf8cca390e5004d/FLAG5e3219414 [2021-11-07 18:59:38,328 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 18:59:38,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-07 18:59:38,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece28c84e/8159bb14013c48f6aaf8cca390e5004d/FLAG5e3219414 [2021-11-07 18:59:38,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece28c84e/8159bb14013c48f6aaf8cca390e5004d [2021-11-07 18:59:38,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 18:59:38,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 18:59:38,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 18:59:38,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 18:59:38,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 18:59:38,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:59:38" (1/1) ... [2021-11-07 18:59:38,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4a6f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:38, skipping insertion in model container [2021-11-07 18:59:38,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:59:38" (1/1) ... [2021-11-07 18:59:38,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 18:59:38,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 18:59:40,631 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-07 18:59:40,634 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-07 18:59:40,634 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-07 18:59:40,635 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-07 18:59:40,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 18:59:40,726 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 18:59:41,017 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379788,379801] [2021-11-07 18:59:41,019 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[379954,379967] [2021-11-07 18:59:41,019 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380118,380131] [2021-11-07 18:59:41,020 WARN L228 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i[380283,380296] [2021-11-07 18:59:41,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 18:59:41,155 INFO L208 MainTranslator]: Completed translation [2021-11-07 18:59:41,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41 WrapperNode [2021-11-07 18:59:41,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 18:59:41,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 18:59:41,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 18:59:41,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 18:59:41,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:41,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:42,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 18:59:42,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 18:59:42,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 18:59:42,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 18:59:42,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:42,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:42,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:42,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:42,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:43,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:43,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:43,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 18:59:43,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 18:59:43,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 18:59:43,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 18:59:43,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (1/1) ... [2021-11-07 18:59:43,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 18:59:43,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 18:59:43,545 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) [2021-11-07 18:59:43,600 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 [2021-11-07 18:59:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_acf_status [2021-11-07 18:59:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-07 18:59:43,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-07 18:59:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_acf_status [2021-11-07 18:59:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_div_status [2021-11-07 18:59:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 18:59:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rsq_status [2021-11-07 18:59:43,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 18:59:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 18:59:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 18:59:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 18:59:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 18:59:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-07 18:59:43,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-07 18:59:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_seek_start [2021-11-07 18:59:43,665 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_agc_status [2021-11-07 18:59:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_frequency [2021-11-07 18:59:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_frequency [2021-11-07 18:59:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 18:59:43,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 18:59:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 18:59:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 18:59:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_tune_freq [2021-11-07 18:59:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 18:59:43,666 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rds_blockcount [2021-11-07 18:59:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 18:59:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 18:59:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_seek_start [2021-11-07 18:59:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 18:59:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_tuner [2021-11-07 18:59:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_tuner [2021-11-07 18:59:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_tune_freq [2021-11-07 18:59:43,667 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_volatile_ctrl [2021-11-07 18:59:43,667 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_volatile_ctrl [2021-11-07 18:59:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 18:59:43,668 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_rsq_status [2021-11-07 19:00:01,438 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,439 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-07 19:00:01,439 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-07 19:00:01,439 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-07 19:00:01,439 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-07 19:00:01,440 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-07 19:00:01,440 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#4: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,441 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#3: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,441 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#2: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,441 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#9: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,441 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#8: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,441 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#7: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,441 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#6: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,441 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#5: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,442 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_5_switch_break#2: ldv_switch_5_#res := 0; [2021-11-07 19:00:01,442 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res := 0; [2021-11-07 19:00:01,442 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_5_switch_break: ldv_switch_5_#res := 0; [2021-11-07 19:00:01,443 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,444 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,444 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,444 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,444 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,445 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,445 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,445 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#9: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,446 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#10: ldv_switch_6_#res := 0; [2021-11-07 19:00:01,447 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 19:00:01,447 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0; [2021-11-07 19:00:01,448 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#11: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,448 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#10: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,449 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#12: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,449 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0; [2021-11-07 19:00:01,452 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-07 19:00:01,452 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-07 19:00:01,599 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 19:00:01,599 INFO L299 CfgBuilder]: Removed 7276 assume(true) statements. [2021-11-07 19:00:01,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:00:01 BoogieIcfgContainer [2021-11-07 19:00:01,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 19:00:01,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 19:00:01,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 19:00:01,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 19:00:01,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:59:38" (1/3) ... [2021-11-07 19:00:01,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aabd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:00:01, skipping insertion in model container [2021-11-07 19:00:01,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:59:41" (2/3) ... [2021-11-07 19:00:01,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19aabd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:00:01, skipping insertion in model container [2021-11-07 19:00:01,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:00:01" (3/3) ... [2021-11-07 19:00:01,622 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-07 19:00:01,626 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 19:00:01,627 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 143 error locations. [2021-11-07 19:00:01,699 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 19:00:01,704 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 [2021-11-07 19:00:01,704 INFO L340 AbstractCegarLoop]: Starting to check reachability of 143 error locations. [2021-11-07 19:00:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 7833 states, 7638 states have (on average 1.3610892903901546) internal successors, (10396), 7780 states have internal predecessors, (10396), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-07 19:00:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-07 19:00:01,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:00:01,849 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 19:00:01,850 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 19:00:01,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:00:01,854 INFO L85 PathProgramCache]: Analyzing trace with hash 841559352, now seen corresponding path program 1 times [2021-11-07 19:00:01,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:00:01,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165738045] [2021-11-07 19:00:01,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:00:01,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:00:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:00:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:00:02,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:00:02,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165738045] [2021-11-07 19:00:02,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165738045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:00:02,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:00:02,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:00:02,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505966334] [2021-11-07 19:00:02,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:00:02,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:00:02,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:00:02,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:00:02,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:02,802 INFO L87 Difference]: Start difference. First operand has 7833 states, 7638 states have (on average 1.3610892903901546) internal successors, (10396), 7780 states have internal predecessors, (10396), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:04,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 19:00:04,041 INFO L93 Difference]: Finished difference Result 21917 states and 29525 transitions. [2021-11-07 19:00:04,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 19:00:04,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2021-11-07 19:00:04,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 19:00:04,141 INFO L225 Difference]: With dead ends: 21917 [2021-11-07 19:00:04,141 INFO L226 Difference]: Without dead ends: 13794 [2021-11-07 19:00:04,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.09ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:04,232 INFO L933 BasicCegarLoop]: 10381 mSDtfsCounter, 9253 mSDsluCounter, 10274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 587.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9253 SdHoareTripleChecker+Valid, 20655 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 56.14ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 659.22ms IncrementalHoareTripleChecker+Time [2021-11-07 19:00:04,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9253 Valid, 20655 Invalid, 64 Unknown, 0 Unchecked, 56.14ms Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 659.22ms Time] [2021-11-07 19:00:04,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13794 states. [2021-11-07 19:00:04,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13794 to 13538. [2021-11-07 19:00:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13538 states, 13291 states have (on average 1.2991498006169588) internal successors, (17267), 13433 states have internal predecessors, (17267), 94 states have call successors, (94), 10 states have call predecessors, (94), 10 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2021-11-07 19:00:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13538 states to 13538 states and 17455 transitions. [2021-11-07 19:00:04,920 INFO L78 Accepts]: Start accepts. Automaton has 13538 states and 17455 transitions. Word has length 228 [2021-11-07 19:00:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 19:00:04,925 INFO L470 AbstractCegarLoop]: Abstraction has 13538 states and 17455 transitions. [2021-11-07 19:00:04,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:04,927 INFO L276 IsEmpty]: Start isEmpty. Operand 13538 states and 17455 transitions. [2021-11-07 19:00:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-07 19:00:04,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:00:04,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 19:00:04,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 19:00:04,934 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting si476x_radio_g_volatile_ctrlErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 19:00:04,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:00:04,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1815877632, now seen corresponding path program 1 times [2021-11-07 19:00:04,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:00:04,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686055095] [2021-11-07 19:00:04,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:00:04,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:00:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:00:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:00:05,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:00:05,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686055095] [2021-11-07 19:00:05,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686055095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:00:05,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:00:05,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:00:05,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093679181] [2021-11-07 19:00:05,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:00:05,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:00:05,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:00:05,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:00:05,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:05,428 INFO L87 Difference]: Start difference. First operand 13538 states and 17455 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:06,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 19:00:06,677 INFO L93 Difference]: Finished difference Result 39298 states and 50855 transitions. [2021-11-07 19:00:06,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 19:00:06,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2021-11-07 19:00:06,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 19:00:06,803 INFO L225 Difference]: With dead ends: 39298 [2021-11-07 19:00:06,803 INFO L226 Difference]: Without dead ends: 26324 [2021-11-07 19:00:06,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:06,858 INFO L933 BasicCegarLoop]: 9227 mSDtfsCounter, 8507 mSDsluCounter, 9075 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 482.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8507 SdHoareTripleChecker+Valid, 18302 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.66ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 531.58ms IncrementalHoareTripleChecker+Time [2021-11-07 19:00:06,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8507 Valid, 18302 Invalid, 35 Unknown, 0 Unchecked, 25.66ms Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 531.58ms Time] [2021-11-07 19:00:06,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26324 states. [2021-11-07 19:00:07,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26324 to 25992. [2021-11-07 19:00:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25992 states, 25643 states have (on average 1.3044885543813127) internal successors, (33451), 25785 states have internal predecessors, (33451), 186 states have call successors, (186), 20 states have call predecessors, (186), 20 states have return successors, (186), 186 states have call predecessors, (186), 186 states have call successors, (186) [2021-11-07 19:00:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25992 states to 25992 states and 33823 transitions. [2021-11-07 19:00:07,773 INFO L78 Accepts]: Start accepts. Automaton has 25992 states and 33823 transitions. Word has length 236 [2021-11-07 19:00:07,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 19:00:07,774 INFO L470 AbstractCegarLoop]: Abstraction has 25992 states and 33823 transitions. [2021-11-07 19:00:07,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:07,775 INFO L276 IsEmpty]: Start isEmpty. Operand 25992 states and 33823 transitions. [2021-11-07 19:00:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-07 19:00:07,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:00:07,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 19:00:07,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 19:00:07,780 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 19:00:07,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:00:07,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1917744131, now seen corresponding path program 1 times [2021-11-07 19:00:07,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:00:07,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302847671] [2021-11-07 19:00:07,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:00:07,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:00:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:00:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:00:08,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:00:08,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302847671] [2021-11-07 19:00:08,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302847671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:00:08,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:00:08,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:00:08,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850132718] [2021-11-07 19:00:08,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:00:08,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:00:08,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:00:08,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:00:08,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:08,086 INFO L87 Difference]: Start difference. First operand 25992 states and 33823 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:09,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 19:00:09,846 INFO L93 Difference]: Finished difference Result 45467 states and 58947 transitions. [2021-11-07 19:00:09,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 19:00:09,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 237 [2021-11-07 19:00:09,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 19:00:09,925 INFO L225 Difference]: With dead ends: 45467 [2021-11-07 19:00:09,926 INFO L226 Difference]: Without dead ends: 20039 [2021-11-07 19:00:10,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:10,026 INFO L933 BasicCegarLoop]: 9230 mSDtfsCounter, 8409 mSDsluCounter, 9168 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 982.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8409 SdHoareTripleChecker+Valid, 18398 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.38ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1053.61ms IncrementalHoareTripleChecker+Time [2021-11-07 19:00:10,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8409 Valid, 18398 Invalid, 29 Unknown, 0 Unchecked, 26.38ms Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1053.61ms Time] [2021-11-07 19:00:10,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20039 states. [2021-11-07 19:00:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20039 to 19707. [2021-11-07 19:00:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19707 states, 19410 states have (on average 1.3021638330757341) internal successors, (25275), 19552 states have internal predecessors, (25275), 139 states have call successors, (139), 15 states have call predecessors, (139), 15 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2021-11-07 19:00:10,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19707 states to 19707 states and 25553 transitions. [2021-11-07 19:00:10,661 INFO L78 Accepts]: Start accepts. Automaton has 19707 states and 25553 transitions. Word has length 237 [2021-11-07 19:00:10,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 19:00:10,662 INFO L470 AbstractCegarLoop]: Abstraction has 19707 states and 25553 transitions. [2021-11-07 19:00:10,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 19707 states and 25553 transitions. [2021-11-07 19:00:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-07 19:00:10,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:00:10,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 19:00:10,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 19:00:10,670 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 19:00:10,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:00:10,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1789857573, now seen corresponding path program 1 times [2021-11-07 19:00:10,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:00:10,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851029599] [2021-11-07 19:00:10,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:00:10,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:00:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:00:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:00:11,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:00:11,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851029599] [2021-11-07 19:00:11,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851029599] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:00:11,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:00:11,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:00:11,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617820702] [2021-11-07 19:00:11,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:00:11,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:00:11,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:00:11,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:00:11,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:11,022 INFO L87 Difference]: Start difference. First operand 19707 states and 25553 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:12,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 19:00:12,528 INFO L93 Difference]: Finished difference Result 56225 states and 73115 transitions. [2021-11-07 19:00:12,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 19:00:12,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243 [2021-11-07 19:00:12,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 19:00:12,644 INFO L225 Difference]: With dead ends: 56225 [2021-11-07 19:00:12,645 INFO L226 Difference]: Without dead ends: 37082 [2021-11-07 19:00:12,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.94ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:12,725 INFO L933 BasicCegarLoop]: 9938 mSDtfsCounter, 8254 mSDsluCounter, 9096 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 591.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8254 SdHoareTripleChecker+Valid, 19034 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.13ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 663.43ms IncrementalHoareTripleChecker+Time [2021-11-07 19:00:12,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8254 Valid, 19034 Invalid, 153 Unknown, 0 Unchecked, 22.13ms Time], IncrementalHoareTripleChecker [31 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 663.43ms Time] [2021-11-07 19:00:12,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37082 states. [2021-11-07 19:00:13,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37082 to 36734. [2021-11-07 19:00:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36734 states, 36357 states have (on average 1.3058283136672442) internal successors, (47476), 36499 states have internal predecessors, (47476), 208 states have call successors, (208), 26 states have call predecessors, (208), 26 states have return successors, (208), 208 states have call predecessors, (208), 208 states have call successors, (208) [2021-11-07 19:00:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36734 states to 36734 states and 47892 transitions. [2021-11-07 19:00:13,872 INFO L78 Accepts]: Start accepts. Automaton has 36734 states and 47892 transitions. Word has length 243 [2021-11-07 19:00:13,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 19:00:13,872 INFO L470 AbstractCegarLoop]: Abstraction has 36734 states and 47892 transitions. [2021-11-07 19:00:13,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 36734 states and 47892 transitions. [2021-11-07 19:00:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-07 19:00:13,881 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:00:13,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 19:00:13,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 19:00:13,881 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 19:00:13,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:00:13,882 INFO L85 PathProgramCache]: Analyzing trace with hash 681043152, now seen corresponding path program 1 times [2021-11-07 19:00:13,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:00:13,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185659036] [2021-11-07 19:00:13,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:00:13,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:00:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:00:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:00:14,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:00:14,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185659036] [2021-11-07 19:00:14,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185659036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:00:14,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:00:14,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:00:14,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196402501] [2021-11-07 19:00:14,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:00:14,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:00:14,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:00:14,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:00:14,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:14,165 INFO L87 Difference]: Start difference. First operand 36734 states and 47892 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:16,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 19:00:16,371 INFO L93 Difference]: Finished difference Result 95266 states and 124298 transitions. [2021-11-07 19:00:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 19:00:16,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2021-11-07 19:00:16,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 19:00:16,596 INFO L225 Difference]: With dead ends: 95266 [2021-11-07 19:00:16,596 INFO L226 Difference]: Without dead ends: 59096 [2021-11-07 19:00:16,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.69ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:16,736 INFO L933 BasicCegarLoop]: 9224 mSDtfsCounter, 8042 mSDsluCounter, 9137 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 833.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8042 SdHoareTripleChecker+Valid, 18361 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.60ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 900.52ms IncrementalHoareTripleChecker+Time [2021-11-07 19:00:16,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8042 Valid, 18361 Invalid, 70 Unknown, 0 Unchecked, 18.60ms Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 900.52ms Time] [2021-11-07 19:00:16,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59096 states. [2021-11-07 19:00:18,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59096 to 58758. [2021-11-07 19:00:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58758 states, 58235 states have (on average 1.306585386794883) internal successors, (76089), 58377 states have internal predecessors, (76089), 336 states have call successors, (336), 44 states have call predecessors, (336), 44 states have return successors, (336), 336 states have call predecessors, (336), 336 states have call successors, (336) [2021-11-07 19:00:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58758 states to 58758 states and 76761 transitions. [2021-11-07 19:00:18,657 INFO L78 Accepts]: Start accepts. Automaton has 58758 states and 76761 transitions. Word has length 248 [2021-11-07 19:00:18,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 19:00:18,658 INFO L470 AbstractCegarLoop]: Abstraction has 58758 states and 76761 transitions. [2021-11-07 19:00:18,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 58758 states and 76761 transitions. [2021-11-07 19:00:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-07 19:00:18,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:00:18,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 19:00:18,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 19:00:18,666 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 19:00:18,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:00:18,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1192839787, now seen corresponding path program 1 times [2021-11-07 19:00:18,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:00:18,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750559409] [2021-11-07 19:00:18,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:00:18,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:00:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:00:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:00:19,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:00:19,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750559409] [2021-11-07 19:00:19,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750559409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:00:19,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:00:19,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:00:19,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325110372] [2021-11-07 19:00:19,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:00:19,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:00:19,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:00:19,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:00:19,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:19,164 INFO L87 Difference]: Start difference. First operand 58758 states and 76761 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:21,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 19:00:21,433 INFO L93 Difference]: Finished difference Result 159278 states and 208049 transitions. [2021-11-07 19:00:21,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 19:00:21,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2021-11-07 19:00:21,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 19:00:21,964 INFO L225 Difference]: With dead ends: 159278 [2021-11-07 19:00:21,964 INFO L226 Difference]: Without dead ends: 101084 [2021-11-07 19:00:22,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.80ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:22,130 INFO L933 BasicCegarLoop]: 9229 mSDtfsCounter, 7854 mSDsluCounter, 9141 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 494.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7854 SdHoareTripleChecker+Valid, 18370 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.63ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 634.18ms IncrementalHoareTripleChecker+Time [2021-11-07 19:00:22,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7854 Valid, 18370 Invalid, 60 Unknown, 0 Unchecked, 15.63ms Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 634.18ms Time] [2021-11-07 19:00:22,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101084 states. [2021-11-07 19:00:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101084 to 100726. [2021-11-07 19:00:24,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100726 states, 99915 states have (on average 1.3056998448681378) internal successors, (130459), 100057 states have internal predecessors, (130459), 588 states have call successors, (588), 80 states have call predecessors, (588), 80 states have return successors, (588), 588 states have call predecessors, (588), 588 states have call successors, (588) [2021-11-07 19:00:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100726 states to 100726 states and 131635 transitions. [2021-11-07 19:00:25,133 INFO L78 Accepts]: Start accepts. Automaton has 100726 states and 131635 transitions. Word has length 248 [2021-11-07 19:00:25,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 19:00:25,134 INFO L470 AbstractCegarLoop]: Abstraction has 100726 states and 131635 transitions. [2021-11-07 19:00:25,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 100726 states and 131635 transitions. [2021-11-07 19:00:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-07 19:00:25,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:00:25,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 19:00:25,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 19:00:25,151 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 19:00:25,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:00:25,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2131723056, now seen corresponding path program 1 times [2021-11-07 19:00:25,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:00:25,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444491508] [2021-11-07 19:00:25,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:00:25,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:00:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:00:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:00:25,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:00:25,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444491508] [2021-11-07 19:00:25,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444491508] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:00:25,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:00:25,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:00:25,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894018759] [2021-11-07 19:00:25,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:00:25,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:00:25,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:00:25,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:00:25,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:25,463 INFO L87 Difference]: Start difference. First operand 100726 states and 131635 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:29,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 19:00:29,785 INFO L93 Difference]: Finished difference Result 284880 states and 372559 transitions. [2021-11-07 19:00:29,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 19:00:29,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 249 [2021-11-07 19:00:29,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 19:00:30,404 INFO L225 Difference]: With dead ends: 284880 [2021-11-07 19:00:30,405 INFO L226 Difference]: Without dead ends: 184718 [2021-11-07 19:00:30,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:30,669 INFO L933 BasicCegarLoop]: 9714 mSDtfsCounter, 8068 mSDsluCounter, 9136 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 713.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8068 SdHoareTripleChecker+Valid, 18850 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.01ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 766.81ms IncrementalHoareTripleChecker+Time [2021-11-07 19:00:30,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8068 Valid, 18850 Invalid, 70 Unknown, 0 Unchecked, 16.01ms Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 766.81ms Time] [2021-11-07 19:00:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184718 states. [2021-11-07 19:00:34,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184718 to 184360. [2021-11-07 19:00:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184360 states, 182985 states have (on average 1.306014154165642) internal successors, (238981), 183127 states have internal predecessors, (238981), 1080 states have call successors, (1080), 152 states have call predecessors, (1080), 152 states have return successors, (1080), 1080 states have call predecessors, (1080), 1080 states have call successors, (1080) [2021-11-07 19:00:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184360 states to 184360 states and 241141 transitions. [2021-11-07 19:00:36,379 INFO L78 Accepts]: Start accepts. Automaton has 184360 states and 241141 transitions. Word has length 249 [2021-11-07 19:00:36,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 19:00:36,380 INFO L470 AbstractCegarLoop]: Abstraction has 184360 states and 241141 transitions. [2021-11-07 19:00:36,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 19:00:36,381 INFO L276 IsEmpty]: Start isEmpty. Operand 184360 states and 241141 transitions. [2021-11-07 19:00:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-07 19:00:36,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 19:00:36,419 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 19:00:36,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 19:00:36,420 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION (and 141 more)] === [2021-11-07 19:00:36,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 19:00:36,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1599722299, now seen corresponding path program 1 times [2021-11-07 19:00:36,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 19:00:36,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490141518] [2021-11-07 19:00:36,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 19:00:36,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 19:00:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 19:00:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 19:00:36,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 19:00:36,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490141518] [2021-11-07 19:00:36,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490141518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 19:00:36,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 19:00:36,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 19:00:36,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652867724] [2021-11-07 19:00:36,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 19:00:36,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 19:00:36,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 19:00:36,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 19:00:36,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 19:00:36,677 INFO L87 Difference]: Start difference. First operand 184360 states and 241141 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)