./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 173e3943 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-dev-173e394 [2021-11-06 20:27:42,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 20:27:42,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 20:27:42,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 20:27:42,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 20:27:42,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 20:27:42,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 20:27:42,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 20:27:42,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 20:27:42,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 20:27:42,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 20:27:42,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 20:27:42,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 20:27:42,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 20:27:42,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 20:27:42,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 20:27:42,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 20:27:42,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 20:27:42,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 20:27:42,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 20:27:42,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 20:27:42,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 20:27:42,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 20:27:42,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 20:27:42,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 20:27:42,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 20:27:42,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 20:27:42,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 20:27:42,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 20:27:42,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 20:27:42,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 20:27:42,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 20:27:42,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 20:27:42,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 20:27:42,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 20:27:42,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 20:27:42,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 20:27:42,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 20:27:42,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 20:27:42,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 20:27:42,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 20:27:42,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 20:27:42,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 20:27:42,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 20:27:42,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 20:27:42,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 20:27:42,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 20:27:42,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 20:27:42,152 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 20:27:42,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 20:27:42,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 20:27:42,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 20:27:42,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 20:27:42,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 20:27:42,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 20:27:42,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 20:27:42,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 20:27:42,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 20:27:42,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 20:27:42,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 20:27:42,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 20:27:42,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 20:27:42,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 20:27:42,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 20:27:42,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 20:27:42,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 20:27:42,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 20:27:42,156 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 20:27:42,156 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 20:27:42,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 20:27:42,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 20:27:42,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c72fad0f4736d2d4eb53bca18880400af0864c4b127cd0e90e1329def3f1884 [2021-11-06 20:27:42,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 20:27:42,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 20:27:42,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 20:27:42,350 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 20:27:42,351 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 20:27:42,352 INFO L432 ainManager$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 [2021-11-06 20:27:42,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29dc06a6/16e10ace2515442b9bfa5de8c417d21a/FLAGab9ed0cfd [2021-11-06 20:27:43,059 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 20:27:43,059 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 [2021-11-06 20:27:43,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29dc06a6/16e10ace2515442b9bfa5de8c417d21a/FLAGab9ed0cfd [2021-11-06 20:27:43,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29dc06a6/16e10ace2515442b9bfa5de8c417d21a [2021-11-06 20:27:43,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 20:27:43,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 20:27:43,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 20:27:43,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 20:27:43,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 20:27:43,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:27:43" (1/1) ... [2021-11-06 20:27:43,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5740599b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:43, skipping insertion in model container [2021-11-06 20:27:43,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:27:43" (1/1) ... [2021-11-06 20:27:43,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 20:27:43,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 20:27:44,948 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] [2021-11-06 20:27:44,950 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] [2021-11-06 20:27:44,951 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] [2021-11-06 20:27:44,951 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] [2021-11-06 20:27:44,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 20:27:45,027 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 20:27:45,256 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] [2021-11-06 20:27:45,257 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] [2021-11-06 20:27:45,258 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] [2021-11-06 20:27:45,258 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] [2021-11-06 20:27:45,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 20:27:45,373 INFO L208 MainTranslator]: Completed translation [2021-11-06 20:27:45,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45 WrapperNode [2021-11-06 20:27:45,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 20:27:45,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 20:27:45,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 20:27:45,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 20:27:45,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:45,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:46,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 20:27:46,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 20:27:46,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 20:27:46,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 20:27:46,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:46,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:46,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:46,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:46,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:46,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:47,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:47,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 20:27:47,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 20:27:47,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 20:27:47,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 20:27:47,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (1/1) ... [2021-11-06 20:27:47,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 20:27:47,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 20:27:47,163 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) [2021-11-06 20:27:47,181 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 [2021-11-06 20:27:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_acf_status [2021-11-06 20:27:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-06 20:27:47,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-06 20:27:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_acf_status [2021-11-06 20:27:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_phase_div_status [2021-11-06 20:27:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 20:27:47,185 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rsq_status [2021-11-06 20:27:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 20:27:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 20:27:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 20:27:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 20:27:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 20:27:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-06 20:27:47,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-06 20:27:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_seek_start [2021-11-06 20:27:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_agc_status [2021-11-06 20:27:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_frequency [2021-11-06 20:27:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_frequency [2021-11-06 20:27:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 20:27:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 20:27:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 20:27:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 20:27:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_tune_freq [2021-11-06 20:27:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 20:27:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_rds_blockcount [2021-11-06 20:27:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 20:27:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 20:27:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_seek_start [2021-11-06 20:27:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 20:27:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_tuner [2021-11-06 20:27:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_tuner [2021-11-06 20:27:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_fm_tune_freq [2021-11-06 20:27:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_radio_g_volatile_ctrl [2021-11-06 20:27:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure si476x_radio_g_volatile_ctrl [2021-11-06 20:27:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 20:27:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure si476x_core_cmd_am_rsq_status [2021-11-06 20:28:00,788 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-06 20:28:00,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-06 20:28:00,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-06 20:28:00,789 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-06 20:28:00,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-06 20:28:00,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#4: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#3: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#2: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#9: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#8: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,790 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#7: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#6: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#5: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_5_switch_break#2: ldv_switch_5_#res := 0; [2021-11-06 20:28:00,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res := 0; [2021-11-06 20:28:00,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_5_switch_break: ldv_switch_5_#res := 0; [2021-11-06 20:28:00,791 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,792 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#9: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,793 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_6_switch_break#10: ldv_switch_6_#res := 0; [2021-11-06 20:28:00,793 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-06 20:28:00,793 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break: ldv_switch_4_#res := 0; [2021-11-06 20:28:00,794 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#11: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,794 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#10: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,794 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#12: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,794 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break: ldv_switch_3_#res := 0; [2021-11-06 20:28:00,795 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-06 20:28:00,795 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-06 20:28:00,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 20:28:00,942 INFO L299 CfgBuilder]: Removed 7276 assume(true) statements. [2021-11-06 20:28:00,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:28:00 BoogieIcfgContainer [2021-11-06 20:28:00,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 20:28:00,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 20:28:00,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 20:28:00,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 20:28:00,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:27:43" (1/3) ... [2021-11-06 20:28:00,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32732634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:28:00, skipping insertion in model container [2021-11-06 20:28:00,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:27:45" (2/3) ... [2021-11-06 20:28:00,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32732634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:28:00, skipping insertion in model container [2021-11-06 20:28:00,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:28:00" (3/3) ... [2021-11-06 20:28:00,955 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-radio-si476x.cil.i [2021-11-06 20:28:00,961 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 20:28:00,961 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 143 error locations. [2021-11-06 20:28:01,017 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 20:28:01,022 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 [2021-11-06 20:28:01,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 143 error locations. [2021-11-06 20:28:01,116 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) [2021-11-06 20:28:01,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-06 20:28:01,139 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 20:28:01,140 INFO L513 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] [2021-11-06 20:28:01,141 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)] === [2021-11-06 20:28:01,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 20:28:01,145 INFO L85 PathProgramCache]: Analyzing trace with hash 841559352, now seen corresponding path program 1 times [2021-11-06 20:28:01,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 20:28:01,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40977477] [2021-11-06 20:28:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 20:28:01,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 20:28:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 20:28:01,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 20:28:01,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 20:28:01,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40977477] [2021-11-06 20:28:01,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40977477] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 20:28:01,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 20:28:01,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 20:28:01,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543536125] [2021-11-06 20:28:01,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 20:28:01,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 20:28:01,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 20:28:01,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:01,853 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) [2021-11-06 20:28:03,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 20:28:03,081 INFO L93 Difference]: Finished difference Result 21917 states and 29525 transitions. [2021-11-06 20:28:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 20:28:03,084 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 [2021-11-06 20:28:03,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 20:28:03,155 INFO L225 Difference]: With dead ends: 21917 [2021-11-06 20:28:03,155 INFO L226 Difference]: Without dead ends: 13794 [2021-11-06 20:28:03,213 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:03,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13794 states. [2021-11-06 20:28:03,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13794 to 13538. [2021-11-06 20:28:03,502 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) [2021-11-06 20:28:03,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13538 states to 13538 states and 17455 transitions. [2021-11-06 20:28:03,560 INFO L78 Accepts]: Start accepts. Automaton has 13538 states and 17455 transitions. Word has length 228 [2021-11-06 20:28:03,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 20:28:03,567 INFO L470 AbstractCegarLoop]: Abstraction has 13538 states and 17455 transitions. [2021-11-06 20:28:03,568 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) [2021-11-06 20:28:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 13538 states and 17455 transitions. [2021-11-06 20:28:03,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-06 20:28:03,573 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 20:28:03,573 INFO L513 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] [2021-11-06 20:28:03,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 20:28:03,573 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)] === [2021-11-06 20:28:03,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 20:28:03,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1815877632, now seen corresponding path program 1 times [2021-11-06 20:28:03,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 20:28:03,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432909033] [2021-11-06 20:28:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 20:28:03,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 20:28:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 20:28:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 20:28:03,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 20:28:03,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432909033] [2021-11-06 20:28:03,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432909033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 20:28:03,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 20:28:03,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 20:28:03,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680278274] [2021-11-06 20:28:03,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 20:28:03,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 20:28:03,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 20:28:03,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:03,881 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) [2021-11-06 20:28:04,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 20:28:04,714 INFO L93 Difference]: Finished difference Result 39298 states and 50855 transitions. [2021-11-06 20:28:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 20:28:04,715 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 [2021-11-06 20:28:04,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 20:28:04,826 INFO L225 Difference]: With dead ends: 39298 [2021-11-06 20:28:04,827 INFO L226 Difference]: Without dead ends: 26324 [2021-11-06 20:28:04,875 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:04,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26324 states. [2021-11-06 20:28:05,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26324 to 25992. [2021-11-06 20:28:05,382 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) [2021-11-06 20:28:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25992 states to 25992 states and 33823 transitions. [2021-11-06 20:28:05,474 INFO L78 Accepts]: Start accepts. Automaton has 25992 states and 33823 transitions. Word has length 236 [2021-11-06 20:28:05,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 20:28:05,475 INFO L470 AbstractCegarLoop]: Abstraction has 25992 states and 33823 transitions. [2021-11-06 20:28:05,475 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) [2021-11-06 20:28:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 25992 states and 33823 transitions. [2021-11-06 20:28:05,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-06 20:28:05,479 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 20:28:05,479 INFO L513 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] [2021-11-06 20:28:05,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 20:28:05,480 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)] === [2021-11-06 20:28:05,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 20:28:05,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1917744131, now seen corresponding path program 1 times [2021-11-06 20:28:05,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 20:28:05,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914533045] [2021-11-06 20:28:05,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 20:28:05,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 20:28:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 20:28:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 20:28:05,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 20:28:05,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914533045] [2021-11-06 20:28:05,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914533045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 20:28:05,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 20:28:05,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 20:28:05,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461109972] [2021-11-06 20:28:05,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 20:28:05,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 20:28:05,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 20:28:05,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:05,884 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) [2021-11-06 20:28:07,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 20:28:07,197 INFO L93 Difference]: Finished difference Result 45467 states and 58947 transitions. [2021-11-06 20:28:07,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 20:28:07,198 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 [2021-11-06 20:28:07,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 20:28:07,261 INFO L225 Difference]: With dead ends: 45467 [2021-11-06 20:28:07,262 INFO L226 Difference]: Without dead ends: 20039 [2021-11-06 20:28:07,482 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:07,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20039 states. [2021-11-06 20:28:07,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20039 to 19707. [2021-11-06 20:28:07,797 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) [2021-11-06 20:28:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19707 states to 19707 states and 25553 transitions. [2021-11-06 20:28:07,868 INFO L78 Accepts]: Start accepts. Automaton has 19707 states and 25553 transitions. Word has length 237 [2021-11-06 20:28:07,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 20:28:07,869 INFO L470 AbstractCegarLoop]: Abstraction has 19707 states and 25553 transitions. [2021-11-06 20:28:07,869 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) [2021-11-06 20:28:07,869 INFO L276 IsEmpty]: Start isEmpty. Operand 19707 states and 25553 transitions. [2021-11-06 20:28:07,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-06 20:28:07,875 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 20:28:07,875 INFO L513 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] [2021-11-06 20:28:07,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 20:28:07,876 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)] === [2021-11-06 20:28:07,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 20:28:07,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1789857573, now seen corresponding path program 1 times [2021-11-06 20:28:07,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 20:28:07,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383995051] [2021-11-06 20:28:07,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 20:28:07,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 20:28:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 20:28:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 20:28:08,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 20:28:08,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383995051] [2021-11-06 20:28:08,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383995051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 20:28:08,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 20:28:08,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 20:28:08,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330923782] [2021-11-06 20:28:08,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 20:28:08,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 20:28:08,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 20:28:08,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:08,135 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) [2021-11-06 20:28:09,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 20:28:09,111 INFO L93 Difference]: Finished difference Result 56225 states and 73115 transitions. [2021-11-06 20:28:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 20:28:09,111 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 [2021-11-06 20:28:09,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 20:28:09,216 INFO L225 Difference]: With dead ends: 56225 [2021-11-06 20:28:09,216 INFO L226 Difference]: Without dead ends: 37082 [2021-11-06 20:28:09,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:09,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37082 states. [2021-11-06 20:28:10,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37082 to 36734. [2021-11-06 20:28:10,263 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) [2021-11-06 20:28:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36734 states to 36734 states and 47892 transitions. [2021-11-06 20:28:10,560 INFO L78 Accepts]: Start accepts. Automaton has 36734 states and 47892 transitions. Word has length 243 [2021-11-06 20:28:10,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 20:28:10,561 INFO L470 AbstractCegarLoop]: Abstraction has 36734 states and 47892 transitions. [2021-11-06 20:28:10,561 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) [2021-11-06 20:28:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 36734 states and 47892 transitions. [2021-11-06 20:28:10,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-06 20:28:10,568 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 20:28:10,568 INFO L513 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] [2021-11-06 20:28:10,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 20:28:10,569 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)] === [2021-11-06 20:28:10,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 20:28:10,569 INFO L85 PathProgramCache]: Analyzing trace with hash 681043152, now seen corresponding path program 1 times [2021-11-06 20:28:10,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 20:28:10,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867688071] [2021-11-06 20:28:10,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 20:28:10,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 20:28:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 20:28:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 20:28:10,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 20:28:10,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867688071] [2021-11-06 20:28:10,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867688071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 20:28:10,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 20:28:10,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 20:28:10,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729727372] [2021-11-06 20:28:10,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 20:28:10,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 20:28:10,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 20:28:10,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:10,884 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) [2021-11-06 20:28:12,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 20:28:12,463 INFO L93 Difference]: Finished difference Result 95266 states and 124298 transitions. [2021-11-06 20:28:12,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 20:28:12,463 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 [2021-11-06 20:28:12,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 20:28:12,611 INFO L225 Difference]: With dead ends: 95266 [2021-11-06 20:28:12,611 INFO L226 Difference]: Without dead ends: 59096 [2021-11-06 20:28:12,878 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:12,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59096 states. [2021-11-06 20:28:13,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59096 to 58758. [2021-11-06 20:28:13,964 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) [2021-11-06 20:28:14,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58758 states to 58758 states and 76761 transitions. [2021-11-06 20:28:14,095 INFO L78 Accepts]: Start accepts. Automaton has 58758 states and 76761 transitions. Word has length 248 [2021-11-06 20:28:14,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 20:28:14,097 INFO L470 AbstractCegarLoop]: Abstraction has 58758 states and 76761 transitions. [2021-11-06 20:28:14,097 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) [2021-11-06 20:28:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 58758 states and 76761 transitions. [2021-11-06 20:28:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-06 20:28:14,106 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 20:28:14,107 INFO L513 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] [2021-11-06 20:28:14,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 20:28:14,107 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)] === [2021-11-06 20:28:14,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 20:28:14,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1192839787, now seen corresponding path program 1 times [2021-11-06 20:28:14,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 20:28:14,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891745092] [2021-11-06 20:28:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 20:28:14,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 20:28:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 20:28:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 20:28:14,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 20:28:14,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891745092] [2021-11-06 20:28:14,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891745092] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 20:28:14,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 20:28:14,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 20:28:14,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600726790] [2021-11-06 20:28:14,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 20:28:14,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 20:28:14,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 20:28:14,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:14,531 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) [2021-11-06 20:28:16,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 20:28:16,460 INFO L93 Difference]: Finished difference Result 159278 states and 208049 transitions. [2021-11-06 20:28:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 20:28:16,461 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 [2021-11-06 20:28:16,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 20:28:16,888 INFO L225 Difference]: With dead ends: 159278 [2021-11-06 20:28:16,889 INFO L226 Difference]: Without dead ends: 101084 [2021-11-06 20:28:17,055 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:17,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101084 states. [2021-11-06 20:28:18,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101084 to 100726. [2021-11-06 20:28:19,062 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) [2021-11-06 20:28:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100726 states to 100726 states and 131635 transitions. [2021-11-06 20:28:19,517 INFO L78 Accepts]: Start accepts. Automaton has 100726 states and 131635 transitions. Word has length 248 [2021-11-06 20:28:19,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 20:28:19,517 INFO L470 AbstractCegarLoop]: Abstraction has 100726 states and 131635 transitions. [2021-11-06 20:28:19,517 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) [2021-11-06 20:28:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 100726 states and 131635 transitions. [2021-11-06 20:28:19,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-06 20:28:19,523 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 20:28:19,523 INFO L513 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] [2021-11-06 20:28:19,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 20:28:19,523 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)] === [2021-11-06 20:28:19,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 20:28:19,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2131723056, now seen corresponding path program 1 times [2021-11-06 20:28:19,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 20:28:19,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044032347] [2021-11-06 20:28:19,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 20:28:19,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 20:28:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 20:28:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 20:28:19,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 20:28:19,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044032347] [2021-11-06 20:28:19,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044032347] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 20:28:19,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 20:28:19,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 20:28:19,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898901667] [2021-11-06 20:28:19,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 20:28:19,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 20:28:19,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 20:28:19,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:19,837 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) [2021-11-06 20:28:23,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 20:28:23,879 INFO L93 Difference]: Finished difference Result 284880 states and 372559 transitions. [2021-11-06 20:28:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 20:28:23,880 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 [2021-11-06 20:28:23,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 20:28:24,476 INFO L225 Difference]: With dead ends: 284880 [2021-11-06 20:28:24,476 INFO L226 Difference]: Without dead ends: 184718 [2021-11-06 20:28:24,977 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:25,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184718 states. [2021-11-06 20:28:28,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184718 to 184360. [2021-11-06 20:28:28,735 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) [2021-11-06 20:28:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184360 states to 184360 states and 241141 transitions. [2021-11-06 20:28:29,236 INFO L78 Accepts]: Start accepts. Automaton has 184360 states and 241141 transitions. Word has length 249 [2021-11-06 20:28:29,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 20:28:29,236 INFO L470 AbstractCegarLoop]: Abstraction has 184360 states and 241141 transitions. [2021-11-06 20:28:29,237 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) [2021-11-06 20:28:29,237 INFO L276 IsEmpty]: Start isEmpty. Operand 184360 states and 241141 transitions. [2021-11-06 20:28:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-06 20:28:29,242 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 20:28:29,242 INFO L513 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] [2021-11-06 20:28:29,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 20:28:29,242 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)] === [2021-11-06 20:28:29,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 20:28:29,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1599722299, now seen corresponding path program 1 times [2021-11-06 20:28:29,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 20:28:29,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43832648] [2021-11-06 20:28:29,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 20:28:29,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 20:28:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 20:28:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 20:28:29,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 20:28:29,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43832648] [2021-11-06 20:28:29,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43832648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 20:28:29,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 20:28:29,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 20:28:29,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248891731] [2021-11-06 20:28:29,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 20:28:29,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 20:28:29,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 20:28:29,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 20:28:29,432 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)