./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 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 27a3a7bacd5bfaa71ec936fdb60b09adb3a573df62752fe262468d392ed108c3 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 15:41:37,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 15:41:37,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 15:41:37,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 15:41:37,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 15:41:37,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 15:41:37,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 15:41:37,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 15:41:37,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 15:41:37,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 15:41:37,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 15:41:37,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 15:41:37,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 15:41:37,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 15:41:37,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 15:41:37,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 15:41:37,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 15:41:37,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 15:41:37,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 15:41:37,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 15:41:37,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 15:41:37,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 15:41:37,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 15:41:37,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 15:41:37,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 15:41:37,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 15:41:37,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 15:41:37,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 15:41:37,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 15:41:37,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 15:41:37,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 15:41:37,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 15:41:37,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 15:41:37,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 15:41:37,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 15:41:37,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 15:41:37,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 15:41:37,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 15:41:37,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 15:41:37,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 15:41:37,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 15:41:37,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 15:41:37,431 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 15:41:37,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 15:41:37,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 15:41:37,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 15:41:37,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 15:41:37,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 15:41:37,434 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 15:41:37,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 15:41:37,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 15:41:37,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 15:41:37,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 15:41:37,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 15:41:37,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 15:41:37,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 15:41:37,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 15:41:37,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 15:41:37,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 15:41:37,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 15:41:37,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 15:41:37,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 15:41:37,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 15:41:37,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 15:41:37,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 15:41:37,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 15:41:37,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 15:41:37,438 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 15:41:37,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 15:41:37,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 15:41:37,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 15:41:37,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27a3a7bacd5bfaa71ec936fdb60b09adb3a573df62752fe262468d392ed108c3 [2021-11-05 15:41:37,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 15:41:37,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 15:41:37,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 15:41:37,694 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 15:41:37,694 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 15:41:37,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2021-11-05 15:41:37,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f2a5ee9/8f6adeb579ab4e9bb16cf2a8f27277c9/FLAG6c620c004 [2021-11-05 15:41:38,343 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 15:41:38,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2021-11-05 15:41:38,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f2a5ee9/8f6adeb579ab4e9bb16cf2a8f27277c9/FLAG6c620c004 [2021-11-05 15:41:38,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9f2a5ee9/8f6adeb579ab4e9bb16cf2a8f27277c9 [2021-11-05 15:41:38,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 15:41:38,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 15:41:38,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 15:41:38,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 15:41:38,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 15:41:38,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:41:38" (1/1) ... [2021-11-05 15:41:38,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761d6193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:38, skipping insertion in model container [2021-11-05 15:41:38,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:41:38" (1/1) ... [2021-11-05 15:41:38,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 15:41:38,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 15:41:40,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2021-11-05 15:41:40,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 15:41:40,433 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 15:41:40,780 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2021-11-05 15:41:40,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 15:41:40,909 INFO L208 MainTranslator]: Completed translation [2021-11-05 15:41:40,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40 WrapperNode [2021-11-05 15:41:40,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 15:41:40,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 15:41:40,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 15:41:40,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 15:41:40,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:41,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:41,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 15:41:41,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 15:41:41,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 15:41:41,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 15:41:41,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:41,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:41,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:41,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:42,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:42,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:42,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:42,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 15:41:42,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 15:41:42,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 15:41:42,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 15:41:42,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (1/1) ... [2021-11-05 15:41:42,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 15:41:42,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 15:41:42,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-05 15:41:42,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-05 15:41:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_register [2021-11-05 15:41:42,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_register [2021-11-05 15:41:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-05 15:41:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 15:41:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 15:41:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 15:41:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 15:41:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 15:41:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 15:41:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 15:41:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure node_remove [2021-11-05 15:41:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure node_remove [2021-11-05 15:41:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 15:41:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_unregister [2021-11-05 15:41:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_unregister [2021-11-05 15:41:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 15:41:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 15:41:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 15:41:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 15:41:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 15:41:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-05 15:41:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-05 15:41:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure node_probe [2021-11-05 15:41:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure node_probe [2021-11-05 15:41:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 15:41:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 15:41:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 15:42:50,645 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 15:42:50,647 INFO L299 CfgBuilder]: Removed 2901 assume(true) statements. [2021-11-05 15:42:50,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:42:50 BoogieIcfgContainer [2021-11-05 15:42:50,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 15:42:50,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 15:42:50,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 15:42:50,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 15:42:50,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 03:41:38" (1/3) ... [2021-11-05 15:42:50,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77031966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:42:50, skipping insertion in model container [2021-11-05 15:42:50,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:41:40" (2/3) ... [2021-11-05 15:42:50,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77031966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:42:50, skipping insertion in model container [2021-11-05 15:42:50,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:42:50" (3/3) ... [2021-11-05 15:42:50,660 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2021-11-05 15:42:50,664 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 15:42:50,664 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 83 error locations. [2021-11-05 15:42:50,725 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 15:42:50,731 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 [2021-11-05 15:42:50,731 INFO L340 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2021-11-05 15:42:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 4974 states, 4877 states have (on average 1.4853393479598114) internal successors, (7244), 4960 states have internal predecessors, (7244), 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) [2021-11-05 15:42:50,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-05 15:42:50,803 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:42:50,803 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:42:50,804 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-05 15:42:50,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:42:50,808 INFO L85 PathProgramCache]: Analyzing trace with hash -309315328, now seen corresponding path program 1 times [2021-11-05 15:42:50,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:42:50,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201204765] [2021-11-05 15:42:50,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:42:50,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:42:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:42:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:42:51,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:42:51,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201204765] [2021-11-05 15:42:51,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201204765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:42:51,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:42:51,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:42:51,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875780543] [2021-11-05 15:42:51,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:42:51,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:42:51,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:42:51,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:42:51,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:42:51,386 INFO L87 Difference]: Start difference. First operand has 4974 states, 4877 states have (on average 1.4853393479598114) internal successors, (7244), 4960 states have internal predecessors, (7244), 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) [2021-11-05 15:42:53,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:42:53,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:42:53,808 INFO L93 Difference]: Finished difference Result 14887 states and 21753 transitions. [2021-11-05 15:42:53,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:42:53,810 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 [2021-11-05 15:42:53,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:42:53,857 INFO L225 Difference]: With dead ends: 14887 [2021-11-05 15:42:53,858 INFO L226 Difference]: Without dead ends: 9910 [2021-11-05 15:42:53,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:42:53,888 INFO L933 BasicCegarLoop]: 7173 mSDtfsCounter, 7134 mSDsluCounter, 7147 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2041.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7134 SdHoareTripleChecker+Valid, 14320 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.57ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2136.71ms IncrementalHoareTripleChecker+Time [2021-11-05 15:42:53,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7134 Valid, 14320 Invalid, 15 Unknown, 0 Unchecked, 32.57ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2136.71ms Time] [2021-11-05 15:42:53,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9910 states. [2021-11-05 15:42:54,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9910 to 9754. [2021-11-05 15:42:54,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9754 states, 9645 states have (on average 1.470191809227579) internal successors, (14180), 9727 states have internal predecessors, (14180), 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) [2021-11-05 15:42:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9754 states to 9754 states and 14212 transitions. [2021-11-05 15:42:54,142 INFO L78 Accepts]: Start accepts. Automaton has 9754 states and 14212 transitions. Word has length 14 [2021-11-05 15:42:54,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:42:54,142 INFO L470 AbstractCegarLoop]: Abstraction has 9754 states and 14212 transitions. [2021-11-05 15:42:54,142 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) [2021-11-05 15:42:54,143 INFO L276 IsEmpty]: Start isEmpty. Operand 9754 states and 14212 transitions. [2021-11-05 15:42:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-05 15:42:54,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:42:54,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:42:54,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 15:42:54,148 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-05 15:42:54,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:42:54,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2070326368, now seen corresponding path program 1 times [2021-11-05 15:42:54,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:42:54,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063962017] [2021-11-05 15:42:54,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:42:54,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:42:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:42:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:42:54,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:42:54,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063962017] [2021-11-05 15:42:54,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063962017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:42:54,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:42:54,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:42:54,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313422895] [2021-11-05 15:42:54,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:42:54,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:42:54,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:42:54,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:42:54,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:42:54,283 INFO L87 Difference]: Start difference. First operand 9754 states and 14212 transitions. 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) [2021-11-05 15:42:54,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:42:54,584 INFO L93 Difference]: Finished difference Result 27276 states and 39708 transitions. [2021-11-05 15:42:54,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:42:54,585 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 [2021-11-05 15:42:54,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:42:54,673 INFO L225 Difference]: With dead ends: 27276 [2021-11-05 15:42:54,673 INFO L226 Difference]: Without dead ends: 17525 [2021-11-05 15:42:54,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:42:54,694 INFO L933 BasicCegarLoop]: 7174 mSDtfsCounter, 5683 mSDsluCounter, 7153 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5683 SdHoareTripleChecker+Valid, 14327 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.94ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.14ms IncrementalHoareTripleChecker+Time [2021-11-05 15:42:54,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5683 Valid, 14327 Invalid, 8 Unknown, 0 Unchecked, 15.94ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 41.14ms Time] [2021-11-05 15:42:54,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17525 states. [2021-11-05 15:42:55,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17525 to 17388. [2021-11-05 15:42:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17388 states, 17253 states have (on average 1.4697154118124385) internal successors, (25357), 17335 states have internal predecessors, (25357), 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) [2021-11-05 15:42:55,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17388 states to 17388 states and 25421 transitions. [2021-11-05 15:42:55,081 INFO L78 Accepts]: Start accepts. Automaton has 17388 states and 25421 transitions. Word has length 14 [2021-11-05 15:42:55,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:42:55,085 INFO L470 AbstractCegarLoop]: Abstraction has 17388 states and 25421 transitions. [2021-11-05 15:42:55,085 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) [2021-11-05 15:42:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 17388 states and 25421 transitions. [2021-11-05 15:42:55,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-05 15:42:55,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:42:55,089 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:42:55,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 15:42:55,089 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)] === [2021-11-05 15:42:55,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:42:55,090 INFO L85 PathProgramCache]: Analyzing trace with hash 805360743, now seen corresponding path program 1 times [2021-11-05 15:42:55,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:42:55,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389584810] [2021-11-05 15:42:55,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:42:55,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:42:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:42:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:42:55,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:42:55,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389584810] [2021-11-05 15:42:55,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389584810] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:42:55,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:42:55,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:42:55,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911245604] [2021-11-05 15:42:55,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:42:55,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:42:55,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:42:55,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:42:55,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:42:55,209 INFO L87 Difference]: Start difference. First operand 17388 states and 25421 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-05 15:42:57,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:42:57,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:42:57,800 INFO L93 Difference]: Finished difference Result 17388 states and 25421 transitions. [2021-11-05 15:42:57,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:42:57,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-11-05 15:42:57,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:42:57,829 INFO L225 Difference]: With dead ends: 17388 [2021-11-05 15:42:57,830 INFO L226 Difference]: Without dead ends: 17312 [2021-11-05 15:42:57,838 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.65ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:42:57,839 INFO L933 BasicCegarLoop]: 7048 mSDtfsCounter, 1383 mSDsluCounter, 5540 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 74 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2153.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 12588 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.35ms SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2292.23ms IncrementalHoareTripleChecker+Time [2021-11-05 15:42:57,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1383 Valid, 12588 Invalid, 224 Unknown, 0 Unchecked, 11.35ms Time], IncrementalHoareTripleChecker [74 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 2292.23ms Time] [2021-11-05 15:42:57,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17312 states. [2021-11-05 15:42:58,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17312 to 17312. [2021-11-05 15:42:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17312 states, 17215 states have (on average 1.4631426081905314) internal successors, (25188), 17259 states have internal predecessors, (25188), 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) [2021-11-05 15:42:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17312 states to 17312 states and 25252 transitions. [2021-11-05 15:42:58,131 INFO L78 Accepts]: Start accepts. Automaton has 17312 states and 25252 transitions. Word has length 17 [2021-11-05 15:42:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:42:58,131 INFO L470 AbstractCegarLoop]: Abstraction has 17312 states and 25252 transitions. [2021-11-05 15:42:58,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-05 15:42:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 17312 states and 25252 transitions. [2021-11-05 15:42:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-05 15:42:58,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:42:58,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:42:58,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 15:42:58,133 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)] === [2021-11-05 15:42:58,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:42:58,133 INFO L85 PathProgramCache]: Analyzing trace with hash -803608067, now seen corresponding path program 1 times [2021-11-05 15:42:58,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:42:58,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376650401] [2021-11-05 15:42:58,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:42:58,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:42:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:42:58,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:42:58,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:42:58,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376650401] [2021-11-05 15:42:58,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376650401] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:42:58,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:42:58,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:42:58,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316019539] [2021-11-05 15:42:58,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:42:58,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:42:58,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:42:58,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:42:58,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:42:58,228 INFO L87 Difference]: Start difference. First operand 17312 states and 25252 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) [2021-11-05 15:43:00,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:00,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:00,571 INFO L93 Difference]: Finished difference Result 17312 states and 25252 transitions. [2021-11-05 15:43:00,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:43:00,572 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 [2021-11-05 15:43:00,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:00,608 INFO L225 Difference]: With dead ends: 17312 [2021-11-05 15:43:00,609 INFO L226 Difference]: Without dead ends: 17310 [2021-11-05 15:43:00,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:00,624 INFO L933 BasicCegarLoop]: 7083 mSDtfsCounter, 7068 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2027.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7068 SdHoareTripleChecker+Valid, 7083 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2164.54ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:00,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7068 Valid, 7083 Invalid, 2 Unknown, 0 Unchecked, 9.50ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2164.54ms Time] [2021-11-05 15:43:00,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17310 states. [2021-11-05 15:43:00,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17310 to 17310. [2021-11-05 15:43:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17310 states, 17214 states have (on average 1.463111420936447) internal successors, (25186), 17257 states have internal predecessors, (25186), 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) [2021-11-05 15:43:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17310 states to 17310 states and 25250 transitions. [2021-11-05 15:43:00,975 INFO L78 Accepts]: Start accepts. Automaton has 17310 states and 25250 transitions. Word has length 18 [2021-11-05 15:43:00,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:00,975 INFO L470 AbstractCegarLoop]: Abstraction has 17310 states and 25250 transitions. [2021-11-05 15:43:00,976 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) [2021-11-05 15:43:00,976 INFO L276 IsEmpty]: Start isEmpty. Operand 17310 states and 25250 transitions. [2021-11-05 15:43:00,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-05 15:43:00,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:00,976 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:43:00,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 15:43:00,977 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)] === [2021-11-05 15:43:00,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:00,978 INFO L85 PathProgramCache]: Analyzing trace with hash 857966385, now seen corresponding path program 1 times [2021-11-05 15:43:00,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:00,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022777296] [2021-11-05 15:43:00,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:00,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:43:01,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:01,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022777296] [2021-11-05 15:43:01,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022777296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:01,090 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:43:01,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:43:01,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983926644] [2021-11-05 15:43:01,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:01,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:43:01,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:01,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:43:01,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:01,091 INFO L87 Difference]: Start difference. First operand 17310 states and 25250 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) [2021-11-05 15:43:03,118 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:03,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:03,890 INFO L93 Difference]: Finished difference Result 51872 states and 75816 transitions. [2021-11-05 15:43:03,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:43:03,891 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 [2021-11-05 15:43:03,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:03,992 INFO L225 Difference]: With dead ends: 51872 [2021-11-05 15:43:03,992 INFO L226 Difference]: Without dead ends: 34565 [2021-11-05 15:43:04,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.65ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:04,048 INFO L933 BasicCegarLoop]: 7629 mSDtfsCounter, 7063 mSDsluCounter, 7062 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2044.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7063 SdHoareTripleChecker+Valid, 14691 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.38ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2180.74ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:04,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7063 Valid, 14691 Invalid, 24 Unknown, 0 Unchecked, 17.38ms Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2180.74ms Time] [2021-11-05 15:43:04,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34565 states. [2021-11-05 15:43:04,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34565 to 33431. [2021-11-05 15:43:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33431 states, 33283 states have (on average 1.4632094462638585) internal successors, (48700), 33326 states have internal predecessors, (48700), 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) [2021-11-05 15:43:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33431 states to 33431 states and 48892 transitions. [2021-11-05 15:43:04,698 INFO L78 Accepts]: Start accepts. Automaton has 33431 states and 48892 transitions. Word has length 19 [2021-11-05 15:43:04,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:04,699 INFO L470 AbstractCegarLoop]: Abstraction has 33431 states and 48892 transitions. [2021-11-05 15:43:04,699 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) [2021-11-05 15:43:04,699 INFO L276 IsEmpty]: Start isEmpty. Operand 33431 states and 48892 transitions. [2021-11-05 15:43:04,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-05 15:43:04,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:04,700 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] [2021-11-05 15:43:04,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 15:43:04,702 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)] === [2021-11-05 15:43:04,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:04,702 INFO L85 PathProgramCache]: Analyzing trace with hash 827166855, now seen corresponding path program 1 times [2021-11-05 15:43:04,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:04,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629582948] [2021-11-05 15:43:04,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:04,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:43:04,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:04,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629582948] [2021-11-05 15:43:04,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629582948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:04,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:43:04,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:43:04,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245742644] [2021-11-05 15:43:04,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:04,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:43:04,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:04,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:43:04,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:04,946 INFO L87 Difference]: Start difference. First operand 33431 states and 48892 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) [2021-11-05 15:43:06,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:07,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:07,392 INFO L93 Difference]: Finished difference Result 33431 states and 48892 transitions. [2021-11-05 15:43:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:43:07,393 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 [2021-11-05 15:43:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:07,472 INFO L225 Difference]: With dead ends: 33431 [2021-11-05 15:43:07,473 INFO L226 Difference]: Without dead ends: 33429 [2021-11-05 15:43:07,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.65ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:07,490 INFO L933 BasicCegarLoop]: 7081 mSDtfsCounter, 7064 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1899.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7064 SdHoareTripleChecker+Valid, 7081 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2035.79ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:07,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7064 Valid, 7081 Invalid, 2 Unknown, 0 Unchecked, 9.48ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 2035.79ms Time] [2021-11-05 15:43:07,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33429 states. [2021-11-05 15:43:07,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33429 to 33429. [2021-11-05 15:43:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33429 states, 33282 states have (on average 1.4631933177092722) internal successors, (48698), 33324 states have internal predecessors, (48698), 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) [2021-11-05 15:43:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33429 states to 33429 states and 48890 transitions. [2021-11-05 15:43:08,334 INFO L78 Accepts]: Start accepts. Automaton has 33429 states and 48890 transitions. Word has length 20 [2021-11-05 15:43:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:08,334 INFO L470 AbstractCegarLoop]: Abstraction has 33429 states and 48890 transitions. [2021-11-05 15:43:08,334 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) [2021-11-05 15:43:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 33429 states and 48890 transitions. [2021-11-05 15:43:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-05 15:43:08,335 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:08,335 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] [2021-11-05 15:43:08,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 15:43:08,335 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)] === [2021-11-05 15:43:08,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:08,336 INFO L85 PathProgramCache]: Analyzing trace with hash -127618565, now seen corresponding path program 1 times [2021-11-05 15:43:08,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:08,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579604943] [2021-11-05 15:43:08,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:08,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:43:08,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:08,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579604943] [2021-11-05 15:43:08,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579604943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:08,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:43:08,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:43:08,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926668005] [2021-11-05 15:43:08,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:08,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:43:08,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:08,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:43:08,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:08,441 INFO L87 Difference]: Start difference. First operand 33429 states and 48890 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) [2021-11-05 15:43:10,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:10,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:10,870 INFO L93 Difference]: Finished difference Result 33429 states and 48890 transitions. [2021-11-05 15:43:10,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:43:10,967 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 [2021-11-05 15:43:10,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:11,038 INFO L225 Difference]: With dead ends: 33429 [2021-11-05 15:43:11,038 INFO L226 Difference]: Without dead ends: 33420 [2021-11-05 15:43:11,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.01ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:11,056 INFO L933 BasicCegarLoop]: 7080 mSDtfsCounter, 7061 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2058.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7061 SdHoareTripleChecker+Valid, 7080 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2058.91ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:11,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7061 Valid, 7080 Invalid, 1 Unknown, 0 Unchecked, 6.83ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 2058.91ms Time] [2021-11-05 15:43:11,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33420 states. [2021-11-05 15:43:11,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33420 to 33420. [2021-11-05 15:43:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33420 states, 33274 states have (on average 1.463154414858448) internal successors, (48685), 33315 states have internal predecessors, (48685), 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) [2021-11-05 15:43:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33420 states to 33420 states and 48877 transitions. [2021-11-05 15:43:11,656 INFO L78 Accepts]: Start accepts. Automaton has 33420 states and 48877 transitions. Word has length 21 [2021-11-05 15:43:11,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:11,657 INFO L470 AbstractCegarLoop]: Abstraction has 33420 states and 48877 transitions. [2021-11-05 15:43:11,657 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) [2021-11-05 15:43:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 33420 states and 48877 transitions. [2021-11-05 15:43:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-05 15:43:11,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:11,659 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] [2021-11-05 15:43:11,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 15:43:11,659 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)] === [2021-11-05 15:43:11,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1081299637, now seen corresponding path program 1 times [2021-11-05 15:43:11,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:11,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644235772] [2021-11-05 15:43:11,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:11,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 15:43:11,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:11,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644235772] [2021-11-05 15:43:11,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644235772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:11,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:43:11,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:43:11,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336750847] [2021-11-05 15:43:11,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:11,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:43:11,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:11,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:43:11,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:11,775 INFO L87 Difference]: Start difference. First operand 33420 states and 48877 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-05 15:43:12,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:12,574 INFO L93 Difference]: Finished difference Result 73226 states and 107066 transitions. [2021-11-05 15:43:12,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:43:12,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 34 [2021-11-05 15:43:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:12,661 INFO L225 Difference]: With dead ends: 73226 [2021-11-05 15:43:12,661 INFO L226 Difference]: Without dead ends: 39809 [2021-11-05 15:43:12,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.87ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:12,723 INFO L933 BasicCegarLoop]: 7669 mSDtfsCounter, 1870 mSDsluCounter, 7044 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 14713 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.80ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.80ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:12,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1872 Valid, 14713 Invalid, 62 Unknown, 0 Unchecked, 23.80ms Time], IncrementalHoareTripleChecker [17 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 61.80ms Time] [2021-11-05 15:43:12,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39809 states. [2021-11-05 15:43:13,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39809 to 33456. [2021-11-05 15:43:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33456 states, 33310 states have (on average 1.4626538577003902) internal successors, (48721), 33351 states have internal predecessors, (48721), 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) [2021-11-05 15:43:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33456 states to 33456 states and 48913 transitions. [2021-11-05 15:43:13,568 INFO L78 Accepts]: Start accepts. Automaton has 33456 states and 48913 transitions. Word has length 34 [2021-11-05 15:43:13,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:13,569 INFO L470 AbstractCegarLoop]: Abstraction has 33456 states and 48913 transitions. [2021-11-05 15:43:13,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-11-05 15:43:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 33456 states and 48913 transitions. [2021-11-05 15:43:13,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-05 15:43:13,573 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:13,573 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] [2021-11-05 15:43:13,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 15:43:13,574 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-11-05 15:43:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash -120764988, now seen corresponding path program 1 times [2021-11-05 15:43:13,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:13,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710601656] [2021-11-05 15:43:13,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:13,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:43:13,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:13,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710601656] [2021-11-05 15:43:13,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710601656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:13,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:43:13,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:43:13,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160647242] [2021-11-05 15:43:13,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:13,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:43:13,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:13,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:43:13,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:13,696 INFO L87 Difference]: Start difference. First operand 33456 states and 48913 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-11-05 15:43:14,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:14,520 INFO L93 Difference]: Finished difference Result 72154 states and 105682 transitions. [2021-11-05 15:43:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:43:14,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 46 [2021-11-05 15:43:14,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:14,599 INFO L225 Difference]: With dead ends: 72154 [2021-11-05 15:43:14,600 INFO L226 Difference]: Without dead ends: 38701 [2021-11-05 15:43:14,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.85ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:14,659 INFO L933 BasicCegarLoop]: 8540 mSDtfsCounter, 1717 mSDsluCounter, 7060 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 15600 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.65ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.10ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:14,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1717 Valid, 15600 Invalid, 17 Unknown, 0 Unchecked, 10.65ms Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 45.10ms Time] [2021-11-05 15:43:14,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38701 states. [2021-11-05 15:43:15,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38701 to 38676. [2021-11-05 15:43:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38676 states, 38530 states have (on average 1.4678691928367507) internal successors, (56557), 38571 states have internal predecessors, (56557), 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) [2021-11-05 15:43:15,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38676 states to 38676 states and 56749 transitions. [2021-11-05 15:43:15,647 INFO L78 Accepts]: Start accepts. Automaton has 38676 states and 56749 transitions. Word has length 46 [2021-11-05 15:43:15,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:15,647 INFO L470 AbstractCegarLoop]: Abstraction has 38676 states and 56749 transitions. [2021-11-05 15:43:15,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2021-11-05 15:43:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 38676 states and 56749 transitions. [2021-11-05 15:43:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-05 15:43:15,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:15,652 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] [2021-11-05 15:43:15,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 15:43:15,652 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-05 15:43:15,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:15,652 INFO L85 PathProgramCache]: Analyzing trace with hash 434945564, now seen corresponding path program 1 times [2021-11-05 15:43:15,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:15,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216666696] [2021-11-05 15:43:15,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:15,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 15:43:15,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:15,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216666696] [2021-11-05 15:43:15,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216666696] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:15,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:43:15,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:43:15,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896347726] [2021-11-05 15:43:15,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:15,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 15:43:15,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:15,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 15:43:15,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 15:43:15,795 INFO L87 Difference]: Start difference. First operand 38676 states and 56749 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-11-05 15:43:16,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:16,685 INFO L93 Difference]: Finished difference Result 76611 states and 112406 transitions. [2021-11-05 15:43:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 15:43:16,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 45 [2021-11-05 15:43:16,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:16,757 INFO L225 Difference]: With dead ends: 76611 [2021-11-05 15:43:16,757 INFO L226 Difference]: Without dead ends: 37938 [2021-11-05 15:43:16,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.66ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 15:43:16,813 INFO L933 BasicCegarLoop]: 6939 mSDtfsCounter, 6919 mSDsluCounter, 6927 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6919 SdHoareTripleChecker+Valid, 13866 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.11ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.35ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:16,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6919 Valid, 13866 Invalid, 16 Unknown, 0 Unchecked, 12.11ms Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 23.35ms Time] [2021-11-05 15:43:16,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37938 states. [2021-11-05 15:43:17,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37938 to 37930. [2021-11-05 15:43:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37930 states, 37785 states have (on average 1.4675664946407305) internal successors, (55452), 37825 states have internal predecessors, (55452), 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) [2021-11-05 15:43:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37930 states to 37930 states and 55644 transitions. [2021-11-05 15:43:17,642 INFO L78 Accepts]: Start accepts. Automaton has 37930 states and 55644 transitions. Word has length 45 [2021-11-05 15:43:17,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:17,642 INFO L470 AbstractCegarLoop]: Abstraction has 37930 states and 55644 transitions. [2021-11-05 15:43:17,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-11-05 15:43:17,642 INFO L276 IsEmpty]: Start isEmpty. Operand 37930 states and 55644 transitions. [2021-11-05 15:43:17,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-05 15:43:17,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:17,648 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] [2021-11-05 15:43:17,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-05 15:43:17,648 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION (and 80 more)] === [2021-11-05 15:43:17,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:17,649 INFO L85 PathProgramCache]: Analyzing trace with hash -788174428, now seen corresponding path program 1 times [2021-11-05 15:43:17,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:17,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286372886] [2021-11-05 15:43:17,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:17,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 15:43:17,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:17,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286372886] [2021-11-05 15:43:17,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286372886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:17,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:43:17,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 15:43:17,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260275222] [2021-11-05 15:43:17,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:17,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 15:43:17,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:17,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 15:43:17,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 15:43:17,758 INFO L87 Difference]: Start difference. First operand 37930 states and 55644 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-05 15:43:18,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:18,511 INFO L93 Difference]: Finished difference Result 73506 states and 107796 transitions. [2021-11-05 15:43:18,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 15:43:18,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 52 [2021-11-05 15:43:18,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:18,587 INFO L225 Difference]: With dead ends: 73506 [2021-11-05 15:43:18,587 INFO L226 Difference]: Without dead ends: 35579 [2021-11-05 15:43:18,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 16.60ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 15:43:18,650 INFO L933 BasicCegarLoop]: 6250 mSDtfsCounter, 6385 mSDsluCounter, 11880 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6385 SdHoareTripleChecker+Valid, 18130 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.28ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.14ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:18,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6385 Valid, 18130 Invalid, 34 Unknown, 0 Unchecked, 15.28ms Time], IncrementalHoareTripleChecker [19 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 26.14ms Time] [2021-11-05 15:43:18,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35579 states. [2021-11-05 15:43:19,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35579 to 31724. [2021-11-05 15:43:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31724 states, 31586 states have (on average 1.4648578484138541) internal successors, (46269), 31619 states have internal predecessors, (46269), 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) [2021-11-05 15:43:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31724 states to 31724 states and 46461 transitions. [2021-11-05 15:43:19,428 INFO L78 Accepts]: Start accepts. Automaton has 31724 states and 46461 transitions. Word has length 52 [2021-11-05 15:43:19,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:19,429 INFO L470 AbstractCegarLoop]: Abstraction has 31724 states and 46461 transitions. [2021-11-05 15:43:19,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-05 15:43:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 31724 states and 46461 transitions. [2021-11-05 15:43:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-05 15:43:19,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:19,433 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] [2021-11-05 15:43:19,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-05 15:43:19,434 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)] === [2021-11-05 15:43:19,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:19,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1676409213, now seen corresponding path program 1 times [2021-11-05 15:43:19,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:19,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758104293] [2021-11-05 15:43:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:19,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:19,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:43:19,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:19,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758104293] [2021-11-05 15:43:19,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758104293] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 15:43:19,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201214788] [2021-11-05 15:43:19,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:19,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:43:19,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 15:43:19,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 15:43:19,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-05 15:43:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:20,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 15:43:20,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 15:43:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 15:43:20,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 15:43:20,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201214788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:20,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 15:43:20,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-05 15:43:20,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403561003] [2021-11-05 15:43:20,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:20,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:43:20,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:20,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:43:20,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 15:43:20,668 INFO L87 Difference]: Start difference. First operand 31724 states and 46461 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-05 15:43:21,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:21,450 INFO L93 Difference]: Finished difference Result 63477 states and 93031 transitions. [2021-11-05 15:43:21,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:43:21,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 59 [2021-11-05 15:43:21,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:21,509 INFO L225 Difference]: With dead ends: 63477 [2021-11-05 15:43:21,509 INFO L226 Difference]: Without dead ends: 31748 [2021-11-05 15:43:21,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.83ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 15:43:21,552 INFO L933 BasicCegarLoop]: 5793 mSDtfsCounter, 397 mSDsluCounter, 5388 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 11181 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.50ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.82ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:21,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 11181 Invalid, 14 Unknown, 0 Unchecked, 7.50ms Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 23.82ms Time] [2021-11-05 15:43:21,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31748 states. [2021-11-05 15:43:22,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31748 to 31748. [2021-11-05 15:43:22,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31748 states, 31602 states have (on average 1.4643693437124232) internal successors, (46277), 31643 states have internal predecessors, (46277), 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) [2021-11-05 15:43:22,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31748 states to 31748 states and 46485 transitions. [2021-11-05 15:43:22,305 INFO L78 Accepts]: Start accepts. Automaton has 31748 states and 46485 transitions. Word has length 59 [2021-11-05 15:43:22,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:22,306 INFO L470 AbstractCegarLoop]: Abstraction has 31748 states and 46485 transitions. [2021-11-05 15:43:22,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-05 15:43:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 31748 states and 46485 transitions. [2021-11-05 15:43:22,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 15:43:22,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:22,310 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] [2021-11-05 15:43:22,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-05 15:43:22,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-05 15:43:22,513 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)] === [2021-11-05 15:43:22,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:22,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1125510950, now seen corresponding path program 1 times [2021-11-05 15:43:22,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:22,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030203987] [2021-11-05 15:43:22,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:22,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 15:43:22,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:22,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030203987] [2021-11-05 15:43:22,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030203987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:22,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:43:22,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 15:43:22,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948025964] [2021-11-05 15:43:22,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:22,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:43:22,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:22,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:43:22,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:22,645 INFO L87 Difference]: Start difference. First operand 31748 states and 46485 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-05 15:43:24,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:25,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:25,253 INFO L93 Difference]: Finished difference Result 31748 states and 46485 transitions. [2021-11-05 15:43:25,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:43:25,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 57 [2021-11-05 15:43:25,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:25,330 INFO L225 Difference]: With dead ends: 31748 [2021-11-05 15:43:25,331 INFO L226 Difference]: Without dead ends: 31690 [2021-11-05 15:43:25,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.75ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 15:43:25,350 INFO L933 BasicCegarLoop]: 5703 mSDtfsCounter, 4359 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2125.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4359 SdHoareTripleChecker+Valid, 6965 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.77ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2234.36ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:25,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4359 Valid, 6965 Invalid, 146 Unknown, 0 Unchecked, 6.77ms Time], IncrementalHoareTripleChecker [56 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 2234.36ms Time] [2021-11-05 15:43:25,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31690 states. [2021-11-05 15:43:25,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31690 to 31690. [2021-11-05 15:43:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31690 states, 31573 states have (on average 1.4577328730244197) internal successors, (46025), 31585 states have internal predecessors, (46025), 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) [2021-11-05 15:43:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31690 states to 31690 states and 46233 transitions. [2021-11-05 15:43:26,070 INFO L78 Accepts]: Start accepts. Automaton has 31690 states and 46233 transitions. Word has length 57 [2021-11-05 15:43:26,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:26,070 INFO L470 AbstractCegarLoop]: Abstraction has 31690 states and 46233 transitions. [2021-11-05 15:43:26,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-11-05 15:43:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand 31690 states and 46233 transitions. [2021-11-05 15:43:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-05 15:43:26,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:26,074 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] [2021-11-05 15:43:26,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-05 15:43:26,075 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)] === [2021-11-05 15:43:26,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:26,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1385026707, now seen corresponding path program 1 times [2021-11-05 15:43:26,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:26,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917669630] [2021-11-05 15:43:26,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:26,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:26,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:43:26,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:26,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917669630] [2021-11-05 15:43:26,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917669630] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 15:43:26,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845295944] [2021-11-05 15:43:26,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:26,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:43:26,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 15:43:26,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 15:43:26,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-05 15:43:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:26,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 15:43:26,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 15:43:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 15:43:27,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 15:43:27,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845295944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:27,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 15:43:27,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-05 15:43:27,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972350770] [2021-11-05 15:43:27,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:27,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:43:27,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:27,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:43:27,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 15:43:27,068 INFO L87 Difference]: Start difference. First operand 31690 states and 46233 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-11-05 15:43:28,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:43:28,420 INFO L93 Difference]: Finished difference Result 92168 states and 134609 transitions. [2021-11-05 15:43:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:43:28,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 61 [2021-11-05 15:43:28,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:43:28,581 INFO L225 Difference]: With dead ends: 92168 [2021-11-05 15:43:28,582 INFO L226 Difference]: Without dead ends: 60481 [2021-11-05 15:43:28,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.93ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 15:43:28,637 INFO L933 BasicCegarLoop]: 7737 mSDtfsCounter, 5633 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5633 SdHoareTripleChecker+Valid, 13366 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.51ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.19ms IncrementalHoareTripleChecker+Time [2021-11-05 15:43:28,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5633 Valid, 13366 Invalid, 25 Unknown, 0 Unchecked, 12.51ms Time], IncrementalHoareTripleChecker [8 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 145.19ms Time] [2021-11-05 15:43:28,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60481 states. [2021-11-05 15:43:29,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60481 to 60114. [2021-11-05 15:43:29,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60114 states, 59901 states have (on average 1.4602260396320597) internal successors, (87469), 59921 states have internal predecessors, (87469), 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) [2021-11-05 15:43:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60114 states to 60114 states and 87837 transitions. [2021-11-05 15:43:29,939 INFO L78 Accepts]: Start accepts. Automaton has 60114 states and 87837 transitions. Word has length 61 [2021-11-05 15:43:29,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:43:29,939 INFO L470 AbstractCegarLoop]: Abstraction has 60114 states and 87837 transitions. [2021-11-05 15:43:29,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-11-05 15:43:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 60114 states and 87837 transitions. [2021-11-05 15:43:29,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-05 15:43:29,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:43:29,946 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] [2021-11-05 15:43:29,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-05 15:43:30,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-05 15:43:30,155 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)] === [2021-11-05 15:43:30,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:43:30,156 INFO L85 PathProgramCache]: Analyzing trace with hash -646346988, now seen corresponding path program 1 times [2021-11-05 15:43:30,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:43:30,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732517956] [2021-11-05 15:43:30,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:43:30,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:43:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-05 15:43:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:43:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 15:43:30,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:43:30,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732517956] [2021-11-05 15:43:30,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732517956] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:43:30,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:43:30,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 15:43:30,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464765539] [2021-11-05 15:43:30,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:43:30,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 15:43:30,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:43:30,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 15:43:30,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 15:43:30,310 INFO L87 Difference]: Start difference. First operand 60114 states and 87837 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-11-05 15:43:32,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:35,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:39,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:41,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:43,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:45,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:49,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:52,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:54,210 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:56,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:43:58,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:00,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:03,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:05,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:08,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:11,319 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:13,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:15,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:18,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:20,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:44:20,319 INFO L93 Difference]: Finished difference Result 120411 states and 176053 transitions. [2021-11-05 15:44:20,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 15:44:20,319 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 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 80 [2021-11-05 15:44:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:44:20,487 INFO L225 Difference]: With dead ends: 120411 [2021-11-05 15:44:20,487 INFO L226 Difference]: Without dead ends: 60300 [2021-11-05 15:44:20,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.24ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 15:44:20,628 INFO L933 BasicCegarLoop]: 5708 mSDtfsCounter, 41 mSDsluCounter, 10160 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 10 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47201.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 15868 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.69ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48557.64ms IncrementalHoareTripleChecker+Time [2021-11-05 15:44:20,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 15868 Invalid, 1304 Unknown, 0 Unchecked, 21.69ms Time], IncrementalHoareTripleChecker [10 Valid, 1275 Invalid, 19 Unknown, 0 Unchecked, 48557.64ms Time] [2021-11-05 15:44:20,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60300 states. [2021-11-05 15:44:21,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60300 to 60180. [2021-11-05 15:44:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60180 states, 59951 states have (on average 1.4598422044669814) internal successors, (87519), 59987 states have internal predecessors, (87519), 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) [2021-11-05 15:44:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60180 states to 60180 states and 87903 transitions. [2021-11-05 15:44:22,115 INFO L78 Accepts]: Start accepts. Automaton has 60180 states and 87903 transitions. Word has length 80 [2021-11-05 15:44:22,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:44:22,115 INFO L470 AbstractCegarLoop]: Abstraction has 60180 states and 87903 transitions. [2021-11-05 15:44:22,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-11-05 15:44:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 60180 states and 87903 transitions. [2021-11-05 15:44:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-05 15:44:22,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:44:22,123 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] [2021-11-05 15:44:22,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-05 15:44:22,123 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)] === [2021-11-05 15:44:22,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:44:22,124 INFO L85 PathProgramCache]: Analyzing trace with hash 45131601, now seen corresponding path program 1 times [2021-11-05 15:44:22,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:44:22,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446283982] [2021-11-05 15:44:22,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:44:22,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:44:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:44:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-05 15:44:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:44:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 15:44:22,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:44:22,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446283982] [2021-11-05 15:44:22,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446283982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:44:22,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:44:22,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 15:44:22,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729642531] [2021-11-05 15:44:22,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:44:22,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 15:44:22,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:44:22,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 15:44:22,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 15:44:22,435 INFO L87 Difference]: Start difference. First operand 60180 states and 87903 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) [2021-11-05 15:44:24,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:26,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:30,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:33,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:35,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:37,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:40,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:43,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:45,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:47,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:49,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:51,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:54,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:56,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:44:58,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:02,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:04,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:06,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:09,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:11,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:13,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:45:13,853 INFO L93 Difference]: Finished difference Result 122533 states and 179124 transitions. [2021-11-05 15:45:13,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 15:45:13,853 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 [2021-11-05 15:45:13,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:45:13,998 INFO L225 Difference]: With dead ends: 122533 [2021-11-05 15:45:13,998 INFO L226 Difference]: Without dead ends: 62356 [2021-11-05 15:45:14,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.30ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 15:45:14,243 INFO L933 BasicCegarLoop]: 5713 mSDtfsCounter, 370 mSDsluCounter, 10164 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 10 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48828.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 15877 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.11ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50211.76ms IncrementalHoareTripleChecker+Time [2021-11-05 15:45:14,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 15877 Invalid, 1307 Unknown, 0 Unchecked, 20.11ms Time], IncrementalHoareTripleChecker [10 Valid, 1279 Invalid, 18 Unknown, 0 Unchecked, 50211.76ms Time] [2021-11-05 15:45:14,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62356 states. [2021-11-05 15:45:15,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62356 to 60198. [2021-11-05 15:45:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60198 states, 59969 states have (on average 1.459704180493255) internal successors, (87537), 60005 states have internal predecessors, (87537), 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) [2021-11-05 15:45:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60198 states to 60198 states and 87921 transitions. [2021-11-05 15:45:15,510 INFO L78 Accepts]: Start accepts. Automaton has 60198 states and 87921 transitions. Word has length 81 [2021-11-05 15:45:15,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:45:15,510 INFO L470 AbstractCegarLoop]: Abstraction has 60198 states and 87921 transitions. [2021-11-05 15:45:15,510 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) [2021-11-05 15:45:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 60198 states and 87921 transitions. [2021-11-05 15:45:15,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-05 15:45:15,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:45:15,517 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] [2021-11-05 15:45:15,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-05 15:45:15,518 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)] === [2021-11-05 15:45:15,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:45:15,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1938496302, now seen corresponding path program 1 times [2021-11-05 15:45:15,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:45:15,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745179558] [2021-11-05 15:45:15,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:45:15,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:45:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:45:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-05 15:45:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:45:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 15:45:15,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:45:15,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745179558] [2021-11-05 15:45:15,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745179558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:45:15,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:45:15,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 15:45:15,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289381314] [2021-11-05 15:45:15,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:45:15,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 15:45:15,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:45:15,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 15:45:15,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-05 15:45:15,656 INFO L87 Difference]: Start difference. First operand 60198 states and 87921 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) [2021-11-05 15:45:17,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:20,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:25,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:27,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:29,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:31,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:34,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:37,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:39,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:41,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:43,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:46,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:48,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:50,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:52,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:55,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:45:58,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:00,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:03,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:05,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:08,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:46:08,244 INFO L93 Difference]: Finished difference Result 122551 states and 179124 transitions. [2021-11-05 15:46:08,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 15:46:08,244 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 [2021-11-05 15:46:08,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:46:08,399 INFO L225 Difference]: With dead ends: 122551 [2021-11-05 15:46:08,399 INFO L226 Difference]: Without dead ends: 62356 [2021-11-05 15:46:08,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.40ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-05 15:46:08,512 INFO L933 BasicCegarLoop]: 5715 mSDtfsCounter, 1019 mSDsluCounter, 21573 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 11 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49758.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 27288 SdHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.90ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51255.49ms IncrementalHoareTripleChecker+Time [2021-11-05 15:46:08,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1019 Valid, 27288 Invalid, 1381 Unknown, 0 Unchecked, 27.90ms Time], IncrementalHoareTripleChecker [11 Valid, 1351 Invalid, 19 Unknown, 0 Unchecked, 51255.49ms Time] [2021-11-05 15:46:08,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62356 states. [2021-11-05 15:46:09,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62356 to 60297. [2021-11-05 15:46:09,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60297 states, 60068 states have (on average 1.4592461876539922) internal successors, (87654), 60104 states have internal predecessors, (87654), 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) [2021-11-05 15:46:09,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60297 states to 60297 states and 88038 transitions. [2021-11-05 15:46:09,903 INFO L78 Accepts]: Start accepts. Automaton has 60297 states and 88038 transitions. Word has length 84 [2021-11-05 15:46:09,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:46:09,904 INFO L470 AbstractCegarLoop]: Abstraction has 60297 states and 88038 transitions. [2021-11-05 15:46:09,904 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) [2021-11-05 15:46:09,904 INFO L276 IsEmpty]: Start isEmpty. Operand 60297 states and 88038 transitions. [2021-11-05 15:46:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 15:46:09,911 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:46:09,911 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] [2021-11-05 15:46:09,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-05 15:46:09,912 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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)] === [2021-11-05 15:46:09,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:46:09,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1471650878, now seen corresponding path program 1 times [2021-11-05 15:46:09,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:46:09,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611300393] [2021-11-05 15:46:09,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:46:09,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:46:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-05 15:46:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 15:46:10,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:46:10,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611300393] [2021-11-05 15:46:10,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611300393] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 15:46:10,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857592098] [2021-11-05 15:46:10,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:46:10,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:46:10,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 15:46:10,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 15:46:10,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-05 15:46:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:11,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-05 15:46:11,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 15:46:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-05 15:46:11,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 15:46:11,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857592098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:46:11,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 15:46:11,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-05 15:46:11,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144271156] [2021-11-05 15:46:11,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:46:11,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 15:46:11,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:46:11,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 15:46:11,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-05 15:46:11,260 INFO L87 Difference]: Start difference. First operand 60297 states and 88038 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) [2021-11-05 15:46:13,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:14,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:46:14,618 INFO L93 Difference]: Finished difference Result 120591 states and 176129 transitions. [2021-11-05 15:46:14,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 15:46:14,619 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 85 [2021-11-05 15:46:14,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:46:14,784 INFO L225 Difference]: With dead ends: 120591 [2021-11-05 15:46:14,784 INFO L226 Difference]: Without dead ends: 60297 [2021-11-05 15:46:14,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 24.40ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-05 15:46:14,863 INFO L933 BasicCegarLoop]: 10910 mSDtfsCounter, 5705 mSDsluCounter, 5708 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2035.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5705 SdHoareTripleChecker+Valid, 16618 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.87ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2141.10ms IncrementalHoareTripleChecker+Time [2021-11-05 15:46:14,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5705 Valid, 16618 Invalid, 17 Unknown, 0 Unchecked, 11.87ms Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2141.10ms Time] [2021-11-05 15:46:14,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60297 states. [2021-11-05 15:46:16,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60297 to 60200. [2021-11-05 15:46:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60200 states, 59987 states have (on average 1.4593328554520146) internal successors, (87541), 60007 states have internal predecessors, (87541), 112 states have call successors, (112), 80 states have call predecessors, (112), 96 states have return successors, (192), 112 states have call predecessors, (192), 112 states have call successors, (192) [2021-11-05 15:46:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60200 states to 60200 states and 87845 transitions. [2021-11-05 15:46:16,216 INFO L78 Accepts]: Start accepts. Automaton has 60200 states and 87845 transitions. Word has length 85 [2021-11-05 15:46:16,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:46:16,216 INFO L470 AbstractCegarLoop]: Abstraction has 60200 states and 87845 transitions. [2021-11-05 15:46:16,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-11-05 15:46:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 60200 states and 87845 transitions. [2021-11-05 15:46:16,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-05 15:46:16,224 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:46:16,224 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] [2021-11-05 15:46:16,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-05 15:46:16,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-05 15:46:16,442 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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)] === [2021-11-05 15:46:16,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:46:16,442 INFO L85 PathProgramCache]: Analyzing trace with hash -116697024, now seen corresponding path program 1 times [2021-11-05 15:46:16,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:46:16,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259497394] [2021-11-05 15:46:16,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:46:16,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:46:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-05 15:46:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 15:46:16,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:46:16,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259497394] [2021-11-05 15:46:16,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259497394] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 15:46:16,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040381826] [2021-11-05 15:46:16,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:46:16,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:46:16,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 15:46:16,568 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 15:46:16,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-05 15:46:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:17,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 2008 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-05 15:46:17,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 15:46:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-05 15:46:17,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 15:46:17,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040381826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:46:17,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 15:46:17,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-11-05 15:46:17,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490953178] [2021-11-05 15:46:17,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:46:17,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 15:46:17,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:46:17,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 15:46:17,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-05 15:46:17,465 INFO L87 Difference]: Start difference. First operand 60200 states and 87845 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) [2021-11-05 15:46:19,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:20,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:46:20,761 INFO L93 Difference]: Finished difference Result 120426 states and 175721 transitions. [2021-11-05 15:46:20,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 15:46:20,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) Word has length 85 [2021-11-05 15:46:20,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:46:20,925 INFO L225 Difference]: With dead ends: 120426 [2021-11-05 15:46:20,925 INFO L226 Difference]: Without dead ends: 60217 [2021-11-05 15:46:21,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 31.50ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-05 15:46:21,013 INFO L933 BasicCegarLoop]: 5734 mSDtfsCounter, 11 mSDsluCounter, 11454 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2034.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17188 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.25ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2145.45ms IncrementalHoareTripleChecker+Time [2021-11-05 15:46:21,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 17188 Invalid, 11 Unknown, 0 Unchecked, 8.25ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2145.45ms Time] [2021-11-05 15:46:21,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60217 states. [2021-11-05 15:46:22,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60217 to 60202. [2021-11-05 15:46:22,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60202 states, 59989 states have (on average 1.459217523212589) internal successors, (87537), 60009 states have internal predecessors, (87537), 112 states have call successors, (112), 80 states have call predecessors, (112), 96 states have return successors, (192), 112 states have call predecessors, (192), 112 states have call successors, (192) [2021-11-05 15:46:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60202 states to 60202 states and 87841 transitions. [2021-11-05 15:46:22,365 INFO L78 Accepts]: Start accepts. Automaton has 60202 states and 87841 transitions. Word has length 85 [2021-11-05 15:46:22,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:46:22,366 INFO L470 AbstractCegarLoop]: Abstraction has 60202 states and 87841 transitions. [2021-11-05 15:46:22,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) [2021-11-05 15:46:22,366 INFO L276 IsEmpty]: Start isEmpty. Operand 60202 states and 87841 transitions. [2021-11-05 15:46:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-05 15:46:22,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:46:22,373 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, 1, 1, 1] [2021-11-05 15:46:22,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-05 15:46:22,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:46:22,587 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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)] === [2021-11-05 15:46:22,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:46:22,588 INFO L85 PathProgramCache]: Analyzing trace with hash 197854018, now seen corresponding path program 1 times [2021-11-05 15:46:22,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:46:22,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130278613] [2021-11-05 15:46:22,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:46:22,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:46:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-05 15:46:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 15:46:22,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:46:22,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130278613] [2021-11-05 15:46:22,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130278613] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 15:46:22,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072667617] [2021-11-05 15:46:22,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:46:22,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:46:22,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 15:46:22,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 15:46:22,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-05 15:46:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:23,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 2031 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-05 15:46:23,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 15:46:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-05 15:46:23,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 15:46:23,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072667617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:46:23,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 15:46:23,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-05 15:46:23,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575181586] [2021-11-05 15:46:23,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:46:23,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 15:46:23,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:46:23,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 15:46:23,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-05 15:46:23,747 INFO L87 Difference]: Start difference. First operand 60202 states and 87841 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-11-05 15:46:25,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:26,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:46:26,971 INFO L93 Difference]: Finished difference Result 120442 states and 175725 transitions. [2021-11-05 15:46:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 15:46:26,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) Word has length 88 [2021-11-05 15:46:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:46:27,132 INFO L225 Difference]: With dead ends: 120442 [2021-11-05 15:46:27,133 INFO L226 Difference]: Without dead ends: 60225 [2021-11-05 15:46:27,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 43.80ms TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-05 15:46:27,325 INFO L933 BasicCegarLoop]: 5733 mSDtfsCounter, 18 mSDsluCounter, 17177 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2054.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 22910 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.56ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2150.27ms IncrementalHoareTripleChecker+Time [2021-11-05 15:46:27,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 22910 Invalid, 21 Unknown, 0 Unchecked, 11.56ms Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2150.27ms Time] [2021-11-05 15:46:27,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60225 states. [2021-11-05 15:46:28,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60225 to 60203. [2021-11-05 15:46:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60203 states, 59990 states have (on average 1.4591098516419403) internal successors, (87532), 60010 states have internal predecessors, (87532), 112 states have call successors, (112), 80 states have call predecessors, (112), 96 states have return successors, (192), 112 states have call predecessors, (192), 112 states have call successors, (192) [2021-11-05 15:46:28,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60203 states to 60203 states and 87836 transitions. [2021-11-05 15:46:28,668 INFO L78 Accepts]: Start accepts. Automaton has 60203 states and 87836 transitions. Word has length 88 [2021-11-05 15:46:28,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:46:28,668 INFO L470 AbstractCegarLoop]: Abstraction has 60203 states and 87836 transitions. [2021-11-05 15:46:28,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2021-11-05 15:46:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 60203 states and 87836 transitions. [2021-11-05 15:46:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-05 15:46:28,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:46:28,675 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, 1, 1, 1] [2021-11-05 15:46:28,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-05 15:46:28,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:46:28,876 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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)] === [2021-11-05 15:46:28,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:46:28,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1528688287, now seen corresponding path program 1 times [2021-11-05 15:46:28,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:46:28,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913985582] [2021-11-05 15:46:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:46:28,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:46:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-05 15:46:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:28,993 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 15:46:28,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:46:28,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913985582] [2021-11-05 15:46:28,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913985582] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 15:46:28,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792805304] [2021-11-05 15:46:28,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:46:28,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:46:28,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 15:46:28,995 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 15:46:28,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-05 15:46:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:29,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-05 15:46:29,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 15:46:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 15:46:30,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 15:46:30,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792805304] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:46:30,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 15:46:30,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-05 15:46:30,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994339837] [2021-11-05 15:46:30,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:46:30,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 15:46:30,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:46:30,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 15:46:30,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-05 15:46:30,058 INFO L87 Difference]: Start difference. First operand 60203 states and 87836 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 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) [2021-11-05 15:46:32,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:33,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:46:33,833 INFO L93 Difference]: Finished difference Result 151643 states and 221286 transitions. [2021-11-05 15:46:33,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 15:46:33,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 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 88 [2021-11-05 15:46:33,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:46:34,050 INFO L225 Difference]: With dead ends: 151643 [2021-11-05 15:46:34,050 INFO L226 Difference]: Without dead ends: 91443 [2021-11-05 15:46:34,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.22ms TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-05 15:46:34,130 INFO L933 BasicCegarLoop]: 11369 mSDtfsCounter, 5641 mSDsluCounter, 28459 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2039.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5643 SdHoareTripleChecker+Valid, 39828 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.35ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2159.67ms IncrementalHoareTripleChecker+Time [2021-11-05 15:46:34,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5643 Valid, 39828 Invalid, 19 Unknown, 0 Unchecked, 22.35ms Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2159.67ms Time] [2021-11-05 15:46:34,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91443 states. [2021-11-05 15:46:35,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91443 to 60243. [2021-11-05 15:46:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60243 states, 60018 states have (on average 1.458895664633943) internal successors, (87560), 60042 states have internal predecessors, (87560), 112 states have call successors, (112), 80 states have call predecessors, (112), 108 states have return successors, (212), 120 states have call predecessors, (212), 112 states have call successors, (212) [2021-11-05 15:46:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60243 states to 60243 states and 87884 transitions. [2021-11-05 15:46:35,779 INFO L78 Accepts]: Start accepts. Automaton has 60243 states and 87884 transitions. Word has length 88 [2021-11-05 15:46:35,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:46:35,779 INFO L470 AbstractCegarLoop]: Abstraction has 60243 states and 87884 transitions. [2021-11-05 15:46:35,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 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) [2021-11-05 15:46:35,779 INFO L276 IsEmpty]: Start isEmpty. Operand 60243 states and 87884 transitions. [2021-11-05 15:46:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-05 15:46:35,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:46:35,788 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:46:35,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-05 15:46:35,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:46:35,988 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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)] === [2021-11-05 15:46:35,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:46:35,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1912751382, now seen corresponding path program 1 times [2021-11-05 15:46:35,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:46:35,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450917562] [2021-11-05 15:46:35,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:46:35,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:46:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:36,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-05 15:46:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:46:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 15:46:36,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:46:36,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450917562] [2021-11-05 15:46:36,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450917562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:46:36,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:46:36,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 15:46:36,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830704105] [2021-11-05 15:46:36,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:46:36,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 15:46:36,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:46:36,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 15:46:36,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 15:46:36,128 INFO L87 Difference]: Start difference. First operand 60243 states and 87884 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 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) [2021-11-05 15:46:38,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:41,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:44,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:45,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:48,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:50,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:53,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:56,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:46:58,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:00,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:03,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:05,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:08,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:10,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:12,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:15,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:17,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:19,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:21,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:23,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:26,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:30,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:47:33,121 INFO L93 Difference]: Finished difference Result 124523 states and 181753 transitions. [2021-11-05 15:47:33,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 15:47:33,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 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 111 [2021-11-05 15:47:33,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:47:33,295 INFO L225 Difference]: With dead ends: 124523 [2021-11-05 15:47:33,296 INFO L226 Difference]: Without dead ends: 64283 [2021-11-05 15:47:33,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.20ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 15:47:33,417 INFO L933 BasicCegarLoop]: 5717 mSDtfsCounter, 377 mSDsluCounter, 10519 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 10 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53597.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 16236 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.19ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55460.82ms IncrementalHoareTripleChecker+Time [2021-11-05 15:47:33,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [379 Valid, 16236 Invalid, 1295 Unknown, 0 Unchecked, 22.19ms Time], IncrementalHoareTripleChecker [10 Valid, 1264 Invalid, 21 Unknown, 0 Unchecked, 55460.82ms Time] [2021-11-05 15:47:33,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64283 states. [2021-11-05 15:47:34,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64283 to 60275. [2021-11-05 15:47:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60275 states, 60050 states have (on average 1.4586511240632807) internal successors, (87592), 60074 states have internal predecessors, (87592), 112 states have call successors, (112), 80 states have call predecessors, (112), 108 states have return successors, (212), 120 states have call predecessors, (212), 112 states have call successors, (212) [2021-11-05 15:47:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60275 states to 60275 states and 87916 transitions. [2021-11-05 15:47:34,932 INFO L78 Accepts]: Start accepts. Automaton has 60275 states and 87916 transitions. Word has length 111 [2021-11-05 15:47:34,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:47:34,933 INFO L470 AbstractCegarLoop]: Abstraction has 60275 states and 87916 transitions. [2021-11-05 15:47:34,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 2 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) [2021-11-05 15:47:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 60275 states and 87916 transitions. [2021-11-05 15:47:34,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-05 15:47:34,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:47:34,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:47:34,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-05 15:47:34,942 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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)] === [2021-11-05 15:47:34,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:47:34,942 INFO L85 PathProgramCache]: Analyzing trace with hash -201065308, now seen corresponding path program 1 times [2021-11-05 15:47:34,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:47:34,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926042678] [2021-11-05 15:47:34,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:47:34,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:47:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:47:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-05 15:47:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:47:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 15:47:35,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:47:35,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926042678] [2021-11-05 15:47:35,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926042678] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 15:47:35,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87757101] [2021-11-05 15:47:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:47:35,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:47:35,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 15:47:35,101 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 15:47:35,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-05 15:47:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:47:36,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-05 15:47:36,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 15:47:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 15:47:36,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 15:47:36,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87757101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:47:36,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 15:47:36,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2021-11-05 15:47:36,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136094328] [2021-11-05 15:47:36,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:47:36,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 15:47:36,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:47:36,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 15:47:36,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-05 15:47:36,249 INFO L87 Difference]: Start difference. First operand 60275 states and 87916 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 2 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) [2021-11-05 15:47:38,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:47:40,498 INFO L93 Difference]: Finished difference Result 151931 states and 221874 transitions. [2021-11-05 15:47:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-05 15:47:40,498 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 2 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 114 [2021-11-05 15:47:40,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:47:40,720 INFO L225 Difference]: With dead ends: 151931 [2021-11-05 15:47:40,720 INFO L226 Difference]: Without dead ends: 91659 [2021-11-05 15:47:40,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 104.91ms TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2021-11-05 15:47:40,823 INFO L933 BasicCegarLoop]: 11369 mSDtfsCounter, 5652 mSDsluCounter, 51171 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2146.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5654 SdHoareTripleChecker+Valid, 62540 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.28ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2274.01ms IncrementalHoareTripleChecker+Time [2021-11-05 15:47:40,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5654 Valid, 62540 Invalid, 76 Unknown, 0 Unchecked, 34.28ms Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 1 Unknown, 0 Unchecked, 2274.01ms Time] [2021-11-05 15:47:40,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91659 states. [2021-11-05 15:47:42,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91659 to 60331. [2021-11-05 15:47:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60331 states, 60106 states have (on average 1.4582238046118523) internal successors, (87648), 60130 states have internal predecessors, (87648), 112 states have call successors, (112), 80 states have call predecessors, (112), 108 states have return successors, (212), 120 states have call predecessors, (212), 112 states have call successors, (212) [2021-11-05 15:47:42,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60331 states to 60331 states and 87972 transitions. [2021-11-05 15:47:42,589 INFO L78 Accepts]: Start accepts. Automaton has 60331 states and 87972 transitions. Word has length 114 [2021-11-05 15:47:42,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:47:42,589 INFO L470 AbstractCegarLoop]: Abstraction has 60331 states and 87972 transitions. [2021-11-05 15:47:42,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 6 states have internal predecessors, (107), 2 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) [2021-11-05 15:47:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 60331 states and 87972 transitions. [2021-11-05 15:47:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-05 15:47:42,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:47:42,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:47:42,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-05 15:47:42,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:47:42,800 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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)] === [2021-11-05 15:47:42,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:47:42,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1378912051, now seen corresponding path program 1 times [2021-11-05 15:47:42,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:47:42,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868806030] [2021-11-05 15:47:42,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:47:42,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:47:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:47:42,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-05 15:47:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:47:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-05 15:47:42,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:47:42,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868806030] [2021-11-05 15:47:42,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868806030] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 15:47:42,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776339232] [2021-11-05 15:47:42,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:47:42,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 15:47:42,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 15:47:42,939 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 15:47:42,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-05 15:47:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:47:43,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 2401 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-05 15:47:43,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 15:47:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 15:47:43,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 15:47:43,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776339232] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:47:43,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 15:47:43,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2021-11-05 15:47:43,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894708333] [2021-11-05 15:47:43,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:47:43,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-05 15:47:43,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:47:43,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-05 15:47:43,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-05 15:47:43,928 INFO L87 Difference]: Start difference. First operand 60331 states and 87972 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 2 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) [2021-11-05 15:47:45,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:48,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:47:48,485 INFO L93 Difference]: Finished difference Result 152179 states and 222138 transitions. [2021-11-05 15:47:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-05 15:47:48,486 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 2 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 120 [2021-11-05 15:47:48,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:47:48,719 INFO L225 Difference]: With dead ends: 152179 [2021-11-05 15:47:48,720 INFO L226 Difference]: Without dead ends: 91851 [2021-11-05 15:47:48,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 187.51ms TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2021-11-05 15:47:48,827 INFO L933 BasicCegarLoop]: 11375 mSDtfsCounter, 5660 mSDsluCounter, 62549 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2143.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5662 SdHoareTripleChecker+Valid, 73924 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.20ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2269.52ms IncrementalHoareTripleChecker+Time [2021-11-05 15:47:48,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5662 Valid, 73924 Invalid, 124 Unknown, 0 Unchecked, 40.20ms Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 2269.52ms Time] [2021-11-05 15:47:48,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91851 states. [2021-11-05 15:47:50,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91851 to 60363. [2021-11-05 15:47:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60363 states, 60138 states have (on average 1.4579799793807575) internal successors, (87680), 60162 states have internal predecessors, (87680), 112 states have call successors, (112), 80 states have call predecessors, (112), 108 states have return successors, (212), 120 states have call predecessors, (212), 112 states have call successors, (212) [2021-11-05 15:47:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60363 states to 60363 states and 88004 transitions. [2021-11-05 15:47:50,658 INFO L78 Accepts]: Start accepts. Automaton has 60363 states and 88004 transitions. Word has length 120 [2021-11-05 15:47:50,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:47:50,658 INFO L470 AbstractCegarLoop]: Abstraction has 60363 states and 88004 transitions. [2021-11-05 15:47:50,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 2 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) [2021-11-05 15:47:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 60363 states and 88004 transitions. [2021-11-05 15:47:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-05 15:47:50,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:47:50,666 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:47:50,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-05 15:47:50,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-05 15:47:50,869 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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)] === [2021-11-05 15:47:50,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:47:50,870 INFO L85 PathProgramCache]: Analyzing trace with hash -575438220, now seen corresponding path program 1 times [2021-11-05 15:47:50,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:47:50,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877112768] [2021-11-05 15:47:50,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:47:50,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 15:47:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:47:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-05 15:47:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 15:47:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 15:47:51,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 15:47:51,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877112768] [2021-11-05 15:47:51,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877112768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 15:47:51,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 15:47:51,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 15:47:51,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189089501] [2021-11-05 15:47:51,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 15:47:51,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 15:47:51,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 15:47:51,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 15:47:51,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 15:47:51,017 INFO L87 Difference]: Start difference. First operand 60363 states and 88004 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 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) [2021-11-05 15:47:53,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:55,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:47:59,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:02,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:04,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:06,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:08,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:10,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:12,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:15,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:17,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:19,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:23,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:25,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:27,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:30,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:32,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:34,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:36,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:38,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:40,754 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 15:48:46,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 15:48:46,083 INFO L93 Difference]: Finished difference Result 124283 states and 181337 transitions. [2021-11-05 15:48:46,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 15:48:46,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 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 122 [2021-11-05 15:48:46,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 15:48:46,282 INFO L225 Difference]: With dead ends: 124283 [2021-11-05 15:48:46,282 INFO L226 Difference]: Without dead ends: 63923 [2021-11-05 15:48:46,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.43ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-05 15:48:46,396 INFO L933 BasicCegarLoop]: 5724 mSDtfsCounter, 913 mSDsluCounter, 15605 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 18 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51842.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 21329 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.10ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53473.37ms IncrementalHoareTripleChecker+Time [2021-11-05 15:48:46,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [915 Valid, 21329 Invalid, 1326 Unknown, 0 Unchecked, 25.10ms Time], IncrementalHoareTripleChecker [18 Valid, 1288 Invalid, 20 Unknown, 0 Unchecked, 53473.37ms Time] [2021-11-05 15:48:46,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63923 states. [2021-11-05 15:48:47,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63923 to 60395. [2021-11-05 15:48:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60395 states, 60170 states have (on average 1.4577364134950972) internal successors, (87712), 60194 states have internal predecessors, (87712), 112 states have call successors, (112), 80 states have call predecessors, (112), 108 states have return successors, (212), 120 states have call predecessors, (212), 112 states have call successors, (212) [2021-11-05 15:48:48,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60395 states to 60395 states and 88036 transitions. [2021-11-05 15:48:48,024 INFO L78 Accepts]: Start accepts. Automaton has 60395 states and 88036 transitions. Word has length 122 [2021-11-05 15:48:48,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 15:48:48,025 INFO L470 AbstractCegarLoop]: Abstraction has 60395 states and 88036 transitions. [2021-11-05 15:48:48,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 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) [2021-11-05 15:48:48,025 INFO L276 IsEmpty]: Start isEmpty. Operand 60395 states and 88036 transitions. [2021-11-05 15:48:48,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-05 15:48:48,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 15:48:48,034 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 15:48:48,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-05 15:48:48,034 INFO L402 AbstractCegarLoop]: === Iteration 26 === 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)] === [2021-11-05 15:48:48,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 15:48:48,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1777351094, now seen corresponding path program 1 times [2021-11-05 15:48:48,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 15:48:48,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142743015] [2021-11-05 15:48:48,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 15:48:48,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms