./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0 --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 27a3a7bacd5bfaa71ec936fdb60b09adb3a573df62752fe262468d392ed108c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:09:54,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:09:54,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:09:54,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:09:54,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:09:54,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:09:54,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:09:54,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:09:54,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:09:54,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:09:54,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:09:54,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:09:54,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:09:54,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:09:54,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:09:54,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:09:54,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:09:54,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:09:54,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:09:54,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:09:54,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:09:54,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:09:54,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:09:54,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:09:54,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:09:54,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:09:54,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:09:54,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:09:54,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:09:54,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:09:54,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:09:54,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:09:54,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:09:54,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:09:54,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:09:54,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:09:54,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:09:54,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:09:54,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:09:54,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:09:54,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:09:54,176 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 15:09:54,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:09:54,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:09:54,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:09:54,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:09:54,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:09:54,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:09:54,204 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:09:54,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:09:54,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:09:54,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:09:54,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:09:54,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:09:54,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:09:54,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:09:54,207 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:09:54,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:09:54,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:09:54,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:09:54,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:09:54,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:09:54,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:09:54,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:09:54,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:09:54,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:09:54,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:09:54,211 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:09:54,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:09:54,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:09:54,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:09:54,212 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27a3a7bacd5bfaa71ec936fdb60b09adb3a573df62752fe262468d392ed108c3 [2021-11-22 15:09:54,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:09:54,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:09:54,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:09:54,488 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:09:54,489 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:09:54,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2021-11-22 15:09:54,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/data/b1575e1a0/77b10fee164e4736af9d320759747b0b/FLAG57863a365 [2021-11-22 15:09:55,495 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:09:55,496 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2021-11-22 15:09:55,567 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/data/b1575e1a0/77b10fee164e4736af9d320759747b0b/FLAG57863a365 [2021-11-22 15:09:55,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/data/b1575e1a0/77b10fee164e4736af9d320759747b0b [2021-11-22 15:09:55,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:09:55,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:09:55,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:09:55,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:09:55,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:09:55,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:55" (1/1) ... [2021-11-22 15:09:55,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413484b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:55, skipping insertion in model container [2021-11-22 15:09:55,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:09:55" (1/1) ... [2021-11-22 15:09:55,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:09:56,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:09:58,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2021-11-22 15:09:58,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:09:58,722 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:09:59,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2021-11-22 15:09:59,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:09:59,353 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:09:59,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59 WrapperNode [2021-11-22 15:09:59,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:09:59,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:09:59,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:09:59,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:09:59,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:09:59,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:10:00,259 INFO L137 Inliner]: procedures = 341, calls = 1845, calls flagged for inlining = 509, calls inlined = 1450, statements flattened = 27428 [2021-11-22 15:10:00,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:10:00,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:10:00,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:10:00,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:10:00,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:10:00,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:10:00,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:10:00,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:10:01,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:10:01,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:10:01,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:10:01,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:10:01,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:10:01,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:10:01,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:10:01,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (1/1) ... [2021-11-22 15:10:01,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:10:01,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:10:01,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:10:01,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:10:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_register [2021-11-22 15:10:01,680 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_register [2021-11-22 15:10:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-22 15:10:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 15:10:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 15:10:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:10:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:10:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:10:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 15:10:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 15:10:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure node_remove [2021-11-22 15:10:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure node_remove [2021-11-22 15:10:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 15:10:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_unregister [2021-11-22 15:10:01,697 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_unregister [2021-11-22 15:10:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:10:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:10:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:10:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:10:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:10:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 15:10:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-22 15:10:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-22 15:10:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure node_probe [2021-11-22 15:10:01,699 INFO L138 BoogieDeclarations]: Found implementation of procedure node_probe [2021-11-22 15:10:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:10:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:10:01,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:10:02,883 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:10:02,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:11:23,625 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:11:23,678 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:11:23,678 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 15:11:23,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:11:23 BoogieIcfgContainer [2021-11-22 15:11:23,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:11:23,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:11:23,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:11:23,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:11:23,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:09:55" (1/3) ... [2021-11-22 15:11:23,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674b67d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:11:23, skipping insertion in model container [2021-11-22 15:11:23,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:09:59" (2/3) ... [2021-11-22 15:11:23,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674b67d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:11:23, skipping insertion in model container [2021-11-22 15:11:23,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:11:23" (3/3) ... [2021-11-22 15:11:23,699 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2021-11-22 15:11:23,705 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:11:23,705 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 83 error locations. [2021-11-22 15:11:23,804 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:11:23,816 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 [2021-11-22 15:11:23,817 INFO L340 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2021-11-22 15:11:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 5256 states, 5159 states have (on average 1.4588098468695483) internal successors, (7526), 5242 states have internal predecessors, (7526), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-22 15:11:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 15:11:23,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:23,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:23,939 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:23,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:23,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1339163006, now seen corresponding path program 1 times [2021-11-22 15:11:23,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:23,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645918250] [2021-11-22 15:11:23,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:23,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:24,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:24,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645918250] [2021-11-22 15:11:24,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645918250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:24,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:24,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:24,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166333253] [2021-11-22 15:11:24,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:24,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:24,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:24,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:24,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:24,699 INFO L87 Difference]: Start difference. First operand has 5256 states, 5159 states have (on average 1.4588098468695483) internal successors, (7526), 5242 states have internal predecessors, (7526), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-22 15:11:25,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:25,396 INFO L93 Difference]: Finished difference Result 14548 states and 20942 transitions. [2021-11-22 15:11:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:25,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2021-11-22 15:11:25,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:25,498 INFO L225 Difference]: With dead ends: 14548 [2021-11-22 15:11:25,498 INFO L226 Difference]: Without dead ends: 9285 [2021-11-22 15:11:25,541 INFO L932 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 [2021-11-22 15:11:25,546 INFO L933 BasicCegarLoop]: 7374 mSDtfsCounter, 5848 mSDsluCounter, 7358 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5848 SdHoareTripleChecker+Valid, 14732 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:25,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5848 Valid, 14732 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:11:25,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9285 states. [2021-11-22 15:11:25,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9285 to 9146. [2021-11-22 15:11:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9146 states, 9037 states have (on average 1.4493747925196414) internal successors, (13098), 9119 states have internal predecessors, (13098), 16 states have call successors, (16), 10 states have call predecessors, (16), 10 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-22 15:11:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9146 states to 9146 states and 13130 transitions. [2021-11-22 15:11:26,051 INFO L78 Accepts]: Start accepts. Automaton has 9146 states and 13130 transitions. Word has length 14 [2021-11-22 15:11:26,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:26,052 INFO L470 AbstractCegarLoop]: Abstraction has 9146 states and 13130 transitions. [2021-11-22 15:11:26,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-11-22 15:11:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 9146 states and 13130 transitions. [2021-11-22 15:11:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 15:11:26,061 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:26,062 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:26,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:11:26,063 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:26,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:26,065 INFO L85 PathProgramCache]: Analyzing trace with hash 234248755, now seen corresponding path program 1 times [2021-11-22 15:11:26,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:26,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656239485] [2021-11-22 15:11:26,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:26,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:26,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:26,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656239485] [2021-11-22 15:11:26,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656239485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:26,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:26,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:26,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531001673] [2021-11-22 15:11:26,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:26,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:26,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:26,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:26,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:26,283 INFO L87 Difference]: Start difference. First operand 9146 states and 13130 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-22 15:11:26,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:26,937 INFO L93 Difference]: Finished difference Result 27395 states and 39340 transitions. [2021-11-22 15:11:26,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:26,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2021-11-22 15:11:26,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:27,087 INFO L225 Difference]: With dead ends: 27395 [2021-11-22 15:11:27,087 INFO L226 Difference]: Without dead ends: 18252 [2021-11-22 15:11:27,126 INFO L932 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 [2021-11-22 15:11:27,129 INFO L933 BasicCegarLoop]: 8877 mSDtfsCounter, 7329 mSDsluCounter, 7339 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7329 SdHoareTripleChecker+Valid, 16216 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:27,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7329 Valid, 16216 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:11:27,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18252 states. [2021-11-22 15:11:27,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18252 to 18096. [2021-11-22 15:11:28,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18096 states, 17961 states have (on average 1.4511998218362006) internal successors, (26065), 18043 states have internal predecessors, (26065), 32 states have call successors, (32), 20 states have call predecessors, (32), 20 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-22 15:11:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18096 states to 18096 states and 26129 transitions. [2021-11-22 15:11:28,119 INFO L78 Accepts]: Start accepts. Automaton has 18096 states and 26129 transitions. Word has length 16 [2021-11-22 15:11:28,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:28,119 INFO L470 AbstractCegarLoop]: Abstraction has 18096 states and 26129 transitions. [2021-11-22 15:11:28,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-11-22 15:11:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 18096 states and 26129 transitions. [2021-11-22 15:11:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 15:11:28,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:28,125 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:28,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:11:28,126 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:28,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:28,128 INFO L85 PathProgramCache]: Analyzing trace with hash 433131201, now seen corresponding path program 1 times [2021-11-22 15:11:28,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:28,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7028691] [2021-11-22 15:11:28,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:28,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:28,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:28,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7028691] [2021-11-22 15:11:28,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7028691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:28,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:28,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:28,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359159202] [2021-11-22 15:11:28,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:28,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:28,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:28,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:28,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:28,688 INFO L87 Difference]: Start difference. First operand 18096 states and 26129 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-22 15:11:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:29,451 INFO L93 Difference]: Finished difference Result 18096 states and 26129 transitions. [2021-11-22 15:11:29,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:29,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-11-22 15:11:29,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:29,517 INFO L225 Difference]: With dead ends: 18096 [2021-11-22 15:11:29,517 INFO L226 Difference]: Without dead ends: 18020 [2021-11-22 15:11:29,528 INFO L932 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 [2021-11-22 15:11:29,534 INFO L933 BasicCegarLoop]: 7247 mSDtfsCounter, 1462 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 12906 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:29,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1462 Valid, 12906 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-22 15:11:29,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18020 states. [2021-11-22 15:11:30,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18020 to 18020. [2021-11-22 15:11:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18020 states, 17923 states have (on average 1.4448474027785527) internal successors, (25896), 17967 states have internal predecessors, (25896), 32 states have call successors, (32), 20 states have call predecessors, (32), 20 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-22 15:11:30,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 25960 transitions. [2021-11-22 15:11:30,225 INFO L78 Accepts]: Start accepts. Automaton has 18020 states and 25960 transitions. Word has length 18 [2021-11-22 15:11:30,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:30,225 INFO L470 AbstractCegarLoop]: Abstraction has 18020 states and 25960 transitions. [2021-11-22 15:11:30,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-22 15:11:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 18020 states and 25960 transitions. [2021-11-22 15:11:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 15:11:30,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:30,228 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:30,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:11:30,229 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:30,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:30,230 INFO L85 PathProgramCache]: Analyzing trace with hash 542178282, now seen corresponding path program 1 times [2021-11-22 15:11:30,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:30,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394788414] [2021-11-22 15:11:30,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:30,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:30,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:30,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394788414] [2021-11-22 15:11:30,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394788414] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:30,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:30,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:30,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849537916] [2021-11-22 15:11:30,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:30,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:30,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:30,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:30,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:30,624 INFO L87 Difference]: Start difference. First operand 18020 states and 25960 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-22 15:11:31,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:31,179 INFO L93 Difference]: Finished difference Result 18020 states and 25960 transitions. [2021-11-22 15:11:31,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:31,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-11-22 15:11:31,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:31,244 INFO L225 Difference]: With dead ends: 18020 [2021-11-22 15:11:31,245 INFO L226 Difference]: Without dead ends: 18018 [2021-11-22 15:11:31,251 INFO L932 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 [2021-11-22 15:11:31,260 INFO L933 BasicCegarLoop]: 7282 mSDtfsCounter, 7266 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7266 SdHoareTripleChecker+Valid, 7282 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:31,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7266 Valid, 7282 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:11:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18018 states. [2021-11-22 15:11:31,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18018 to 18018. [2021-11-22 15:11:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18018 states, 17922 states have (on average 1.4448164267380872) internal successors, (25894), 17965 states have internal predecessors, (25894), 32 states have call successors, (32), 20 states have call predecessors, (32), 20 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-22 15:11:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18018 states to 18018 states and 25958 transitions. [2021-11-22 15:11:32,016 INFO L78 Accepts]: Start accepts. Automaton has 18018 states and 25958 transitions. Word has length 19 [2021-11-22 15:11:32,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:32,016 INFO L470 AbstractCegarLoop]: Abstraction has 18018 states and 25958 transitions. [2021-11-22 15:11:32,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-22 15:11:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 18018 states and 25958 transitions. [2021-11-22 15:11:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 15:11:32,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:32,018 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] [2021-11-22 15:11:32,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:11:32,019 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:32,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:32,020 INFO L85 PathProgramCache]: Analyzing trace with hash -372329492, now seen corresponding path program 1 times [2021-11-22 15:11:32,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:32,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601136794] [2021-11-22 15:11:32,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:32,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:32,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:32,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601136794] [2021-11-22 15:11:32,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601136794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:32,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:32,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:32,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874474817] [2021-11-22 15:11:32,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:32,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:32,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:32,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:32,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:32,232 INFO L87 Difference]: Start difference. First operand 18018 states and 25958 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-22 15:11:33,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:33,508 INFO L93 Difference]: Finished difference Result 53988 states and 77932 transitions. [2021-11-22 15:11:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:33,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-22 15:11:33,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:33,659 INFO L225 Difference]: With dead ends: 53988 [2021-11-22 15:11:33,659 INFO L226 Difference]: Without dead ends: 35973 [2021-11-22 15:11:33,735 INFO L932 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 [2021-11-22 15:11:33,736 INFO L933 BasicCegarLoop]: 7849 mSDtfsCounter, 7261 mSDsluCounter, 7259 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7261 SdHoareTripleChecker+Valid, 15108 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:33,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7261 Valid, 15108 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:11:33,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35973 states. [2021-11-22 15:11:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35973 to 34770. [2021-11-22 15:11:34,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34770 states, 34622 states have (on average 1.4452948991970422) internal successors, (50039), 34665 states have internal predecessors, (50039), 64 states have call successors, (64), 40 states have call predecessors, (64), 40 states have return successors, (128), 64 states have call predecessors, (128), 64 states have call successors, (128) [2021-11-22 15:11:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34770 states to 34770 states and 50231 transitions. [2021-11-22 15:11:35,114 INFO L78 Accepts]: Start accepts. Automaton has 34770 states and 50231 transitions. Word has length 20 [2021-11-22 15:11:35,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:35,115 INFO L470 AbstractCegarLoop]: Abstraction has 34770 states and 50231 transitions. [2021-11-22 15:11:35,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-22 15:11:35,115 INFO L276 IsEmpty]: Start isEmpty. Operand 34770 states and 50231 transitions. [2021-11-22 15:11:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 15:11:35,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:35,117 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] [2021-11-22 15:11:35,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:11:35,119 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:35,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:35,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1342700597, now seen corresponding path program 1 times [2021-11-22 15:11:35,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:35,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643476487] [2021-11-22 15:11:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:35,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:35,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:35,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643476487] [2021-11-22 15:11:35,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643476487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:35,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:35,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:35,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756320666] [2021-11-22 15:11:35,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:35,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:35,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:35,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:35,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:35,494 INFO L87 Difference]: Start difference. First operand 34770 states and 50231 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-22 15:11:36,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:36,511 INFO L93 Difference]: Finished difference Result 34770 states and 50231 transitions. [2021-11-22 15:11:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:36,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2021-11-22 15:11:36,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:36,634 INFO L225 Difference]: With dead ends: 34770 [2021-11-22 15:11:36,635 INFO L226 Difference]: Without dead ends: 34768 [2021-11-22 15:11:36,643 INFO L932 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 [2021-11-22 15:11:36,644 INFO L933 BasicCegarLoop]: 7280 mSDtfsCounter, 7262 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7262 SdHoareTripleChecker+Valid, 7280 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:36,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7262 Valid, 7280 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:11:36,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34768 states. [2021-11-22 15:11:37,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34768 to 34768. [2021-11-22 15:11:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34768 states, 34621 states have (on average 1.4452788769821785) internal successors, (50037), 34663 states have internal predecessors, (50037), 64 states have call successors, (64), 40 states have call predecessors, (64), 40 states have return successors, (128), 64 states have call predecessors, (128), 64 states have call successors, (128) [2021-11-22 15:11:37,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34768 states to 34768 states and 50229 transitions. [2021-11-22 15:11:37,979 INFO L78 Accepts]: Start accepts. Automaton has 34768 states and 50229 transitions. Word has length 21 [2021-11-22 15:11:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:37,979 INFO L470 AbstractCegarLoop]: Abstraction has 34768 states and 50229 transitions. [2021-11-22 15:11:37,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-22 15:11:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 34768 states and 50229 transitions. [2021-11-22 15:11:37,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 15:11:37,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:37,982 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] [2021-11-22 15:11:37,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:11:37,982 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:37,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:37,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1325941481, now seen corresponding path program 1 times [2021-11-22 15:11:37,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:37,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043445246] [2021-11-22 15:11:37,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:37,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:38,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:38,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043445246] [2021-11-22 15:11:38,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043445246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:38,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:38,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:38,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141516010] [2021-11-22 15:11:38,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:38,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:38,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:38,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:38,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:38,179 INFO L87 Difference]: Start difference. First operand 34768 states and 50229 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-22 15:11:39,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:39,019 INFO L93 Difference]: Finished difference Result 34768 states and 50229 transitions. [2021-11-22 15:11:39,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:39,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2021-11-22 15:11:39,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:39,155 INFO L225 Difference]: With dead ends: 34768 [2021-11-22 15:11:39,156 INFO L226 Difference]: Without dead ends: 34757 [2021-11-22 15:11:39,171 INFO L932 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 [2021-11-22 15:11:39,172 INFO L933 BasicCegarLoop]: 7279 mSDtfsCounter, 7259 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7259 SdHoareTripleChecker+Valid, 7279 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:39,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7259 Valid, 7279 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:11:39,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34757 states. [2021-11-22 15:11:40,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34757 to 34757. [2021-11-22 15:11:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34757 states, 34611 states have (on average 1.4452630666551096) internal successors, (50022), 34652 states have internal predecessors, (50022), 64 states have call successors, (64), 40 states have call predecessors, (64), 40 states have return successors, (128), 64 states have call predecessors, (128), 64 states have call successors, (128) [2021-11-22 15:11:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34757 states to 34757 states and 50214 transitions. [2021-11-22 15:11:40,579 INFO L78 Accepts]: Start accepts. Automaton has 34757 states and 50214 transitions. Word has length 22 [2021-11-22 15:11:40,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:40,580 INFO L470 AbstractCegarLoop]: Abstraction has 34757 states and 50214 transitions. [2021-11-22 15:11:40,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-22 15:11:40,580 INFO L276 IsEmpty]: Start isEmpty. Operand 34757 states and 50214 transitions. [2021-11-22 15:11:40,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 15:11:40,584 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:40,585 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:40,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:11:40,586 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash 518800111, now seen corresponding path program 1 times [2021-11-22 15:11:40,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:40,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684198784] [2021-11-22 15:11:40,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:40,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 15:11:41,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:41,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684198784] [2021-11-22 15:11:41,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684198784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:41,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:41,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:41,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137453732] [2021-11-22 15:11:41,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:41,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:11:41,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:41,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:11:41,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:11:41,045 INFO L87 Difference]: Start difference. First operand 34757 states and 50214 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-22 15:11:42,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:42,496 INFO L93 Difference]: Finished difference Result 69129 states and 99868 transitions. [2021-11-22 15:11:42,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:11:42,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 35 [2021-11-22 15:11:42,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:42,649 INFO L225 Difference]: With dead ends: 69129 [2021-11-22 15:11:42,650 INFO L226 Difference]: Without dead ends: 34375 [2021-11-22 15:11:42,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:11:42,738 INFO L933 BasicCegarLoop]: 7134 mSDtfsCounter, 7114 mSDsluCounter, 7122 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7114 SdHoareTripleChecker+Valid, 14256 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:42,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7114 Valid, 14256 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:11:42,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34375 states. [2021-11-22 15:11:43,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34375 to 34371. [2021-11-22 15:11:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34371 states, 34226 states have (on average 1.4450125635481796) internal successors, (49457), 34266 states have internal predecessors, (49457), 64 states have call successors, (64), 40 states have call predecessors, (64), 40 states have return successors, (128), 64 states have call predecessors, (128), 64 states have call successors, (128) [2021-11-22 15:11:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34371 states to 34371 states and 49649 transitions. [2021-11-22 15:11:44,166 INFO L78 Accepts]: Start accepts. Automaton has 34371 states and 49649 transitions. Word has length 35 [2021-11-22 15:11:44,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:44,169 INFO L470 AbstractCegarLoop]: Abstraction has 34371 states and 49649 transitions. [2021-11-22 15:11:44,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-22 15:11:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 34371 states and 49649 transitions. [2021-11-22 15:11:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 15:11:44,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:44,185 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:44,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:11:44,186 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash -2032690916, now seen corresponding path program 1 times [2021-11-22 15:11:44,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:44,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24657856] [2021-11-22 15:11:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:44,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 15:11:44,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:44,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24657856] [2021-11-22 15:11:44,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24657856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:44,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:44,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:11:44,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247815778] [2021-11-22 15:11:44,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:44,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:11:44,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:44,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:11:44,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:11:44,413 INFO L87 Difference]: Start difference. First operand 34371 states and 49649 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-22 15:11:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:45,834 INFO L93 Difference]: Finished difference Result 68178 states and 98328 transitions. [2021-11-22 15:11:45,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:11:45,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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 42 [2021-11-22 15:11:45,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:45,969 INFO L225 Difference]: With dead ends: 68178 [2021-11-22 15:11:45,969 INFO L226 Difference]: Without dead ends: 33810 [2021-11-22 15:11:46,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:11:46,064 INFO L933 BasicCegarLoop]: 6430 mSDtfsCounter, 6569 mSDsluCounter, 12220 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6569 SdHoareTripleChecker+Valid, 18650 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:46,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6569 Valid, 18650 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:11:46,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33810 states. [2021-11-22 15:11:47,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33810 to 31165. [2021-11-22 15:11:47,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31165 states, 31027 states have (on average 1.4428078770103459) internal successors, (44766), 31060 states have internal predecessors, (44766), 64 states have call successors, (64), 40 states have call predecessors, (64), 40 states have return successors, (128), 64 states have call predecessors, (128), 64 states have call successors, (128) [2021-11-22 15:11:47,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31165 states to 31165 states and 44958 transitions. [2021-11-22 15:11:47,373 INFO L78 Accepts]: Start accepts. Automaton has 31165 states and 44958 transitions. Word has length 42 [2021-11-22 15:11:47,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:47,374 INFO L470 AbstractCegarLoop]: Abstraction has 31165 states and 44958 transitions. [2021-11-22 15:11:47,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-22 15:11:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 31165 states and 44958 transitions. [2021-11-22 15:11:47,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 15:11:47,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:47,379 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] [2021-11-22 15:11:47,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:11:47,380 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:47,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:47,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2029748453, now seen corresponding path program 1 times [2021-11-22 15:11:47,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:47,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504364569] [2021-11-22 15:11:47,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:47,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:47,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:47,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504364569] [2021-11-22 15:11:47,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504364569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:47,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:47,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:47,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510320671] [2021-11-22 15:11:47,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:47,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:47,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:47,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:47,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:47,706 INFO L87 Difference]: Start difference. First operand 31165 states and 44958 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:48,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:48,713 INFO L93 Difference]: Finished difference Result 64190 states and 92726 transitions. [2021-11-22 15:11:48,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:48,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-22 15:11:48,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:48,796 INFO L225 Difference]: With dead ends: 64190 [2021-11-22 15:11:48,796 INFO L226 Difference]: Without dead ends: 33028 [2021-11-22 15:11:48,861 INFO L932 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 [2021-11-22 15:11:48,862 INFO L933 BasicCegarLoop]: 6141 mSDtfsCounter, 450 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 12080 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:48,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [450 Valid, 12080 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:11:48,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33028 states. [2021-11-22 15:11:49,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33028 to 33017. [2021-11-22 15:11:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33017 states, 32879 states have (on average 1.4465768423613856) internal successors, (47562), 32912 states have internal predecessors, (47562), 64 states have call successors, (64), 40 states have call predecessors, (64), 40 states have return successors, (128), 64 states have call predecessors, (128), 64 states have call successors, (128) [2021-11-22 15:11:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33017 states to 33017 states and 47754 transitions. [2021-11-22 15:11:49,990 INFO L78 Accepts]: Start accepts. Automaton has 33017 states and 47754 transitions. Word has length 47 [2021-11-22 15:11:49,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:49,991 INFO L470 AbstractCegarLoop]: Abstraction has 33017 states and 47754 transitions. [2021-11-22 15:11:49,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 33017 states and 47754 transitions. [2021-11-22 15:11:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 15:11:49,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:49,995 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:49,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 15:11:49,995 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:49,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:49,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1476848976, now seen corresponding path program 1 times [2021-11-22 15:11:49,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:49,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231037755] [2021-11-22 15:11:49,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:49,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 15:11:50,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:50,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231037755] [2021-11-22 15:11:50,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231037755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:50,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:50,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:50,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724464971] [2021-11-22 15:11:50,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:50,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:50,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:50,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:50,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:50,166 INFO L87 Difference]: Start difference. First operand 33017 states and 47754 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-22 15:11:51,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:51,383 INFO L93 Difference]: Finished difference Result 70970 states and 102650 transitions. [2021-11-22 15:11:51,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:51,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 47 [2021-11-22 15:11:51,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:51,479 INFO L225 Difference]: With dead ends: 70970 [2021-11-22 15:11:51,479 INFO L226 Difference]: Without dead ends: 37956 [2021-11-22 15:11:51,553 INFO L932 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 [2021-11-22 15:11:51,553 INFO L933 BasicCegarLoop]: 6454 mSDtfsCounter, 637 mSDsluCounter, 5955 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 12409 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:51,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [639 Valid, 12409 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:11:51,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37956 states. [2021-11-22 15:11:52,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37956 to 33025. [2021-11-22 15:11:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33025 states, 32887 states have (on average 1.4464682093228327) internal successors, (47570), 32920 states have internal predecessors, (47570), 64 states have call successors, (64), 40 states have call predecessors, (64), 40 states have return successors, (128), 64 states have call predecessors, (128), 64 states have call successors, (128) [2021-11-22 15:11:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33025 states to 33025 states and 47762 transitions. [2021-11-22 15:11:53,008 INFO L78 Accepts]: Start accepts. Automaton has 33025 states and 47762 transitions. Word has length 47 [2021-11-22 15:11:53,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:53,009 INFO L470 AbstractCegarLoop]: Abstraction has 33025 states and 47762 transitions. [2021-11-22 15:11:53,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-22 15:11:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 33025 states and 47762 transitions. [2021-11-22 15:11:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 15:11:53,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:53,019 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:53,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:11:53,020 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:53,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:53,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1818940409, now seen corresponding path program 1 times [2021-11-22 15:11:53,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:53,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214983329] [2021-11-22 15:11:53,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:53,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:53,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:53,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214983329] [2021-11-22 15:11:53,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214983329] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:11:53,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762370669] [2021-11-22 15:11:53,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:53,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:11:53,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:11:53,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:11:53,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:11:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:54,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 1621 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:11:54,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:11:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 15:11:54,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:11:54,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762370669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:54,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:11:54,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-22 15:11:54,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084595544] [2021-11-22 15:11:54,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:54,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:54,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:54,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:54,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:11:54,350 INFO L87 Difference]: Start difference. First operand 33025 states and 47762 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:55,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:55,289 INFO L93 Difference]: Finished difference Result 66079 states and 95633 transitions. [2021-11-22 15:11:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:55,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-22 15:11:55,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:55,375 INFO L225 Difference]: With dead ends: 66079 [2021-11-22 15:11:55,375 INFO L226 Difference]: Without dead ends: 33049 [2021-11-22 15:11:55,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:11:55,442 INFO L933 BasicCegarLoop]: 5957 mSDtfsCounter, 403 mSDsluCounter, 5546 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 11503 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:55,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [403 Valid, 11503 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:11:55,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33049 states. [2021-11-22 15:11:56,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33049 to 33049. [2021-11-22 15:11:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33049 states, 32903 states have (on average 1.4460079627997446) internal successors, (47578), 32944 states have internal predecessors, (47578), 64 states have call successors, (64), 40 states have call predecessors, (64), 48 states have return successors, (144), 64 states have call predecessors, (144), 64 states have call successors, (144) [2021-11-22 15:11:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33049 states to 33049 states and 47786 transitions. [2021-11-22 15:11:56,525 INFO L78 Accepts]: Start accepts. Automaton has 33049 states and 47786 transitions. Word has length 60 [2021-11-22 15:11:56,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:56,525 INFO L470 AbstractCegarLoop]: Abstraction has 33049 states and 47786 transitions. [2021-11-22 15:11:56,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:11:56,525 INFO L276 IsEmpty]: Start isEmpty. Operand 33049 states and 47786 transitions. [2021-11-22 15:11:56,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 15:11:56,533 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:56,533 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:56,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:11:56,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-22 15:11:56,753 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash -26964076, now seen corresponding path program 1 times [2021-11-22 15:11:56,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:56,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883670060] [2021-11-22 15:11:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:56,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:56,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 15:11:56,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:56,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883670060] [2021-11-22 15:11:56,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883670060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:11:56,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:11:56,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:11:56,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232999622] [2021-11-22 15:11:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:11:56,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:11:56,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:11:56,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:11:56,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:11:56,975 INFO L87 Difference]: Start difference. First operand 33049 states and 47786 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-22 15:11:58,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:11:58,237 INFO L93 Difference]: Finished difference Result 33049 states and 47786 transitions. [2021-11-22 15:11:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:11:58,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 58 [2021-11-22 15:11:58,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:11:58,329 INFO L225 Difference]: With dead ends: 33049 [2021-11-22 15:11:58,329 INFO L226 Difference]: Without dead ends: 32991 [2021-11-22 15:11:58,343 INFO L932 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 [2021-11-22 15:11:58,344 INFO L933 BasicCegarLoop]: 5867 mSDtfsCounter, 4452 mSDsluCounter, 1332 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4452 SdHoareTripleChecker+Valid, 7199 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:11:58,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4452 Valid, 7199 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:11:58,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32991 states. [2021-11-22 15:11:59,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32991 to 32991. [2021-11-22 15:11:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32991 states, 32874 states have (on average 1.4396179351463163) internal successors, (47326), 32886 states have internal predecessors, (47326), 64 states have call successors, (64), 40 states have call predecessors, (64), 48 states have return successors, (144), 64 states have call predecessors, (144), 64 states have call successors, (144) [2021-11-22 15:11:59,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32991 states to 32991 states and 47534 transitions. [2021-11-22 15:11:59,298 INFO L78 Accepts]: Start accepts. Automaton has 32991 states and 47534 transitions. Word has length 58 [2021-11-22 15:11:59,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:11:59,298 INFO L470 AbstractCegarLoop]: Abstraction has 32991 states and 47534 transitions. [2021-11-22 15:11:59,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-22 15:11:59,299 INFO L276 IsEmpty]: Start isEmpty. Operand 32991 states and 47534 transitions. [2021-11-22 15:11:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 15:11:59,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:11:59,307 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:11:59,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 15:11:59,308 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:11:59,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:11:59,309 INFO L85 PathProgramCache]: Analyzing trace with hash 249524715, now seen corresponding path program 1 times [2021-11-22 15:11:59,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:11:59,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761605572] [2021-11-22 15:11:59,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:59,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:11:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:11:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:11:59,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:11:59,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761605572] [2021-11-22 15:11:59,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761605572] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:11:59,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613309396] [2021-11-22 15:11:59,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:11:59,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:11:59,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:11:59,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:11:59,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:12:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:12:00,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1680 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:12:00,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:12:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:12:00,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:12:00,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613309396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:12:00,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:12:00,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-22 15:12:00,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246885060] [2021-11-22 15:12:00,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:12:00,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:12:00,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:12:00,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:12:00,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:12:00,521 INFO L87 Difference]: Start difference. First operand 32991 states and 47534 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:12:02,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:12:02,379 INFO L93 Difference]: Finished difference Result 95951 states and 138392 transitions. [2021-11-22 15:12:02,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:12:02,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-22 15:12:02,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:12:02,542 INFO L225 Difference]: With dead ends: 95951 [2021-11-22 15:12:02,542 INFO L226 Difference]: Without dead ends: 62963 [2021-11-22 15:12:02,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:12:02,593 INFO L933 BasicCegarLoop]: 7958 mSDtfsCounter, 5796 mSDsluCounter, 5792 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5796 SdHoareTripleChecker+Valid, 13750 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:12:02,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5796 Valid, 13750 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:12:02,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62963 states. [2021-11-22 15:12:04,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62963 to 62571. [2021-11-22 15:12:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62571 states, 62358 states have (on average 1.442092434010071) internal successors, (89926), 62378 states have internal predecessors, (89926), 112 states have call successors, (112), 80 states have call predecessors, (112), 96 states have return successors, (256), 112 states have call predecessors, (256), 112 states have call successors, (256) [2021-11-22 15:12:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62571 states to 62571 states and 90294 transitions. [2021-11-22 15:12:04,338 INFO L78 Accepts]: Start accepts. Automaton has 62571 states and 90294 transitions. Word has length 62 [2021-11-22 15:12:04,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:12:04,338 INFO L470 AbstractCegarLoop]: Abstraction has 62571 states and 90294 transitions. [2021-11-22 15:12:04,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:12:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 62571 states and 90294 transitions. [2021-11-22 15:12:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 15:12:04,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:12:04,349 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:12:04,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:12:04,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-22 15:12:04,569 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:12:04,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:12:04,569 INFO L85 PathProgramCache]: Analyzing trace with hash -628881171, now seen corresponding path program 1 times [2021-11-22 15:12:04,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:12:04,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109494938] [2021-11-22 15:12:04,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:12:04,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:12:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:12:04,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-22 15:12:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:12:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:12:04,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:12:04,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109494938] [2021-11-22 15:12:04,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109494938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:12:04,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:12:04,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:12:04,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444343110] [2021-11-22 15:12:04,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:12:04,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:12:04,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:12:04,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:12:04,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:12:04,776 INFO L87 Difference]: Start difference. First operand 62571 states and 90294 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 15:12:08,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:10,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:12,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:14,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:17,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:19,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:21,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:24,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:29,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:32,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:34,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:36,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:39,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:41,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:44,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:46,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:49,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:52,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:54,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:57,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:12:59,435 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:02,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:05,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:13:05,969 INFO L93 Difference]: Finished difference Result 125325 states and 180967 transitions. [2021-11-22 15:13:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:13:05,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2021-11-22 15:13:05,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:13:06,149 INFO L225 Difference]: With dead ends: 125325 [2021-11-22 15:13:06,149 INFO L226 Difference]: Without dead ends: 62757 [2021-11-22 15:13:06,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:13:06,267 INFO L933 BasicCegarLoop]: 5872 mSDtfsCounter, 41 mSDsluCounter, 10488 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 10 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 16360 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:13:06,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 16360 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1273 Invalid, 21 Unknown, 0 Unchecked, 59.3s Time] [2021-11-22 15:13:06,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62757 states. [2021-11-22 15:13:07,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62757 to 62637. [2021-11-22 15:13:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62637 states, 62408 states have (on average 1.4417382386873479) internal successors, (89976), 62444 states have internal predecessors, (89976), 112 states have call successors, (112), 80 states have call predecessors, (112), 112 states have return successors, (272), 112 states have call predecessors, (272), 112 states have call successors, (272) [2021-11-22 15:13:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62637 states to 62637 states and 90360 transitions. [2021-11-22 15:13:08,139 INFO L78 Accepts]: Start accepts. Automaton has 62637 states and 90360 transitions. Word has length 81 [2021-11-22 15:13:08,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:13:08,139 INFO L470 AbstractCegarLoop]: Abstraction has 62637 states and 90360 transitions. [2021-11-22 15:13:08,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 15:13:08,139 INFO L276 IsEmpty]: Start isEmpty. Operand 62637 states and 90360 transitions. [2021-11-22 15:13:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 15:13:08,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:13:08,148 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:13:08,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-22 15:13:08,149 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:13:08,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:13:08,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1046763177, now seen corresponding path program 1 times [2021-11-22 15:13:08,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:13:08,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260066717] [2021-11-22 15:13:08,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:13:08,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:13:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-22 15:13:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:13:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:13:08,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:13:08,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260066717] [2021-11-22 15:13:08,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260066717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:13:08,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:13:08,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:13:08,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231181350] [2021-11-22 15:13:08,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:13:08,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:13:08,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:13:08,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:13:08,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:13:08,347 INFO L87 Difference]: Start difference. First operand 62637 states and 90360 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 15:13:11,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:13,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:17,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:19,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:22,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:24,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:28,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:31,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:34,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:36,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:38,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:41,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:43,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:45,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:47,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:51,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:53,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:56,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:13:58,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:01,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:05,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:14:05,075 INFO L93 Difference]: Finished difference Result 127590 states and 184181 transitions. [2021-11-22 15:14:05,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:14:05,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 81 [2021-11-22 15:14:05,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:14:05,239 INFO L225 Difference]: With dead ends: 127590 [2021-11-22 15:14:05,239 INFO L226 Difference]: Without dead ends: 64956 [2021-11-22 15:14:05,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:14:05,567 INFO L933 BasicCegarLoop]: 5877 mSDtfsCounter, 386 mSDsluCounter, 10492 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 10 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 16369 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:14:05,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 16369 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1279 Invalid, 18 Unknown, 0 Unchecked, 54.7s Time] [2021-11-22 15:14:05,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64956 states. [2021-11-22 15:14:07,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64956 to 62655. [2021-11-22 15:14:07,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62655 states, 62426 states have (on average 1.441610867266844) internal successors, (89994), 62462 states have internal predecessors, (89994), 112 states have call successors, (112), 80 states have call predecessors, (112), 112 states have return successors, (272), 112 states have call predecessors, (272), 112 states have call successors, (272) [2021-11-22 15:14:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62655 states to 62655 states and 90378 transitions. [2021-11-22 15:14:07,288 INFO L78 Accepts]: Start accepts. Automaton has 62655 states and 90378 transitions. Word has length 81 [2021-11-22 15:14:07,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:14:07,289 INFO L470 AbstractCegarLoop]: Abstraction has 62655 states and 90378 transitions. [2021-11-22 15:14:07,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 15:14:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 62655 states and 90378 transitions. [2021-11-22 15:14:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 15:14:07,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:14:07,298 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:14:07,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-22 15:14:07,299 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:14:07,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:14:07,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1055316553, now seen corresponding path program 1 times [2021-11-22 15:14:07,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:14:07,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18398385] [2021-11-22 15:14:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:14:07,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:14:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:14:07,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-22 15:14:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:14:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:14:07,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:14:07,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18398385] [2021-11-22 15:14:07,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18398385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:14:07,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:14:07,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 15:14:07,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843681604] [2021-11-22 15:14:07,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:14:07,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:14:07,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:14:07,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:14:07,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:14:07,783 INFO L87 Difference]: Start difference. First operand 62655 states and 90378 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 15:14:11,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:15,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:18,370 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:20,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:22,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:24,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:29,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:32,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:35,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:37,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:39,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:42,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:44,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:46,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:49,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:53,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:55,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:14:57,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:15:00,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:15:02,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 15:15:06,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:15:06,488 INFO L93 Difference]: Finished difference Result 127608 states and 184181 transitions. [2021-11-22 15:15:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 15:15:06,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 84 [2021-11-22 15:15:06,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:15:06,627 INFO L225 Difference]: With dead ends: 127608 [2021-11-22 15:15:06,627 INFO L226 Difference]: Without dead ends: 64956 [2021-11-22 15:15:06,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:15:06,712 INFO L933 BasicCegarLoop]: 5880 mSDtfsCounter, 1067 mSDsluCounter, 22230 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 11 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 28110 SdHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:15:06,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1067 Valid, 28110 Invalid, 1381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1350 Invalid, 20 Unknown, 0 Unchecked, 56.8s Time] [2021-11-22 15:15:06,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64956 states. [2021-11-22 15:15:08,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64956 to 62754. [2021-11-22 15:15:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62754 states, 62525 states have (on average 1.4411995201919232) internal successors, (90111), 62561 states have internal predecessors, (90111), 112 states have call successors, (112), 80 states have call predecessors, (112), 112 states have return successors, (272), 112 states have call predecessors, (272), 112 states have call successors, (272) [2021-11-22 15:15:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62754 states to 62754 states and 90495 transitions. [2021-11-22 15:15:08,589 INFO L78 Accepts]: Start accepts. Automaton has 62754 states and 90495 transitions. Word has length 84 [2021-11-22 15:15:08,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:15:08,589 INFO L470 AbstractCegarLoop]: Abstraction has 62754 states and 90495 transitions. [2021-11-22 15:15:08,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-22 15:15:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 62754 states and 90495 transitions. [2021-11-22 15:15:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 15:15:08,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:15:08,599 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:15:08,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-22 15:15:08,599 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-22 15:15:08,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:15:08,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1024588547, now seen corresponding path program 1 times [2021-11-22 15:15:08,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:15:08,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349580811] [2021-11-22 15:15:08,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:08,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:15:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-22 15:15:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:08,776 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:15:08,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:15:08,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349580811] [2021-11-22 15:15:08,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349580811] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:15:08,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547874402] [2021-11-22 15:15:08,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:15:08,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:15:08,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:15:08,779 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:15:08,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623855a6-4c71-4a42-b41f-3a10d9504912/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:15:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:15:09,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 1789 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 15:15:09,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:15:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 15:15:09,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:15:09,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547874402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:15:09,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:15:09,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-22 15:15:09,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383817420] [2021-11-22 15:15:09,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:15:09,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:15:09,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:15:09,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:15:09,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:15:09,866 INFO L87 Difference]: Start difference. First operand 62754 states and 90495 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)