./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 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-5b36d44 [2021-11-07 12:15:38,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 12:15:38,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 12:15:38,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 12:15:38,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 12:15:38,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 12:15:38,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 12:15:38,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 12:15:38,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 12:15:38,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 12:15:38,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 12:15:38,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 12:15:38,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 12:15:38,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 12:15:38,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 12:15:38,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 12:15:38,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 12:15:38,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 12:15:38,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 12:15:38,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 12:15:38,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 12:15:38,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 12:15:38,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 12:15:38,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 12:15:38,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 12:15:38,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 12:15:38,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 12:15:38,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 12:15:38,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 12:15:38,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 12:15:38,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 12:15:38,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 12:15:38,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 12:15:38,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 12:15:38,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 12:15:38,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 12:15:38,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 12:15:38,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 12:15:38,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 12:15:38,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 12:15:38,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 12:15:38,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 12:15:38,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 12:15:38,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 12:15:38,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 12:15:38,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 12:15:38,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 12:15:38,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 12:15:38,941 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 12:15:38,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 12:15:38,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 12:15:38,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 12:15:38,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 12:15:38,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 12:15:38,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 12:15:38,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 12:15:38,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 12:15:38,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 12:15:38,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 12:15:38,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 12:15:38,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 12:15:38,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 12:15:38,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 12:15:38,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 12:15:38,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 12:15:38,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 12:15:38,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 12:15:38,946 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 12:15:38,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 12:15:38,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 12:15:38,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 12:15:38,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27a3a7bacd5bfaa71ec936fdb60b09adb3a573df62752fe262468d392ed108c3 [2021-11-07 12:15:39,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 12:15:39,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 12:15:39,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 12:15:39,171 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 12:15:39,172 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 12:15:39,173 INFO L432 ainManager$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 [2021-11-07 12:15:39,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bda109f68/75ab0c28634d47d6a1b709500301350a/FLAG1dffc8530 [2021-11-07 12:15:40,051 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 12:15:40,052 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 [2021-11-07 12:15:40,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bda109f68/75ab0c28634d47d6a1b709500301350a/FLAG1dffc8530 [2021-11-07 12:15:40,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bda109f68/75ab0c28634d47d6a1b709500301350a [2021-11-07 12:15:40,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 12:15:40,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 12:15:40,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 12:15:40,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 12:15:40,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 12:15:40,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:15:40" (1/1) ... [2021-11-07 12:15:40,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1b8f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:40, skipping insertion in model container [2021-11-07 12:15:40,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:15:40" (1/1) ... [2021-11-07 12:15:40,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 12:15:40,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 12:15:43,110 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] [2021-11-07 12:15:43,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 12:15:43,300 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 12:15:43,681 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] [2021-11-07 12:15:43,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 12:15:43,795 INFO L208 MainTranslator]: Completed translation [2021-11-07 12:15:43,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43 WrapperNode [2021-11-07 12:15:43,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 12:15:43,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 12:15:43,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 12:15:43,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 12:15:43,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:43,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:44,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 12:15:44,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 12:15:44,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 12:15:44,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 12:15:44,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:44,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:44,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:44,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:45,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:45,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:45,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:45,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 12:15:45,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 12:15:45,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 12:15:45,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 12:15:45,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (1/1) ... [2021-11-07 12:15:45,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 12:15:45,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:15:45,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 12:15:45,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 12:15:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_register [2021-11-07 12:15:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_register [2021-11-07 12:15:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-07 12:15:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 12:15:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 12:15:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 12:15:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 12:15:45,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 12:15:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 12:15:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 12:15:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure node_remove [2021-11-07 12:15:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure node_remove [2021-11-07 12:15:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 12:15:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_unregister [2021-11-07 12:15:45,894 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_unregister [2021-11-07 12:15:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 12:15:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 12:15:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 12:15:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 12:15:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 12:15:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-07 12:15:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-07 12:15:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure node_probe [2021-11-07 12:15:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure node_probe [2021-11-07 12:15:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 12:15:45,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 12:15:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 12:16:58,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 12:16:58,982 INFO L299 CfgBuilder]: Removed 2901 assume(true) statements. [2021-11-07 12:16:58,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:16:58 BoogieIcfgContainer [2021-11-07 12:16:58,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 12:16:58,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 12:16:58,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 12:16:58,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 12:16:58,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:15:40" (1/3) ... [2021-11-07 12:16:58,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7fa756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:16:58, skipping insertion in model container [2021-11-07 12:16:58,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:15:43" (2/3) ... [2021-11-07 12:16:58,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7fa756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:16:58, skipping insertion in model container [2021-11-07 12:16:58,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:16:58" (3/3) ... [2021-11-07 12:16:58,999 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2021-11-07 12:16:59,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 12:16:59,005 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 83 error locations. [2021-11-07 12:16:59,070 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 12:16:59,077 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 12:16:59,078 INFO L340 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2021-11-07 12:16:59,162 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) [2021-11-07 12:16:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 12:16:59,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:16:59,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:16:59,170 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)] === [2021-11-07 12:16:59,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:16:59,174 INFO L85 PathProgramCache]: Analyzing trace with hash -309315328, now seen corresponding path program 1 times [2021-11-07 12:16:59,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:16:59,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104766036] [2021-11-07 12:16:59,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:16:59,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:16:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:16:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:16:59,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:16:59,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104766036] [2021-11-07 12:16:59,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104766036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:16:59,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:16:59,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:16:59,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558786437] [2021-11-07 12:16:59,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:16:59,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:16:59,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:16:59,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:16:59,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:16:59,896 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) [2021-11-07 12:17:01,956 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:17:02,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:02,605 INFO L93 Difference]: Finished difference Result 14887 states and 21753 transitions. [2021-11-07 12:17:02,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:02,608 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 [2021-11-07 12:17:02,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:02,667 INFO L225 Difference]: With dead ends: 14887 [2021-11-07 12:17:02,668 INFO L226 Difference]: Without dead ends: 9910 [2021-11-07 12:17:02,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.09ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:02,699 INFO L933 BasicCegarLoop]: 7173 mSDtfsCounter, 7134 mSDsluCounter, 7147 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2076.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7134 SdHoareTripleChecker+Valid, 14320 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.06ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2186.86ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:02,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7134 Valid, 14320 Invalid, 15 Unknown, 0 Unchecked, 33.06ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2186.86ms Time] [2021-11-07 12:17:02,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9910 states. [2021-11-07 12:17:02,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9910 to 9754. [2021-11-07 12:17:02,982 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) [2021-11-07 12:17:03,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9754 states to 9754 states and 14212 transitions. [2021-11-07 12:17:03,044 INFO L78 Accepts]: Start accepts. Automaton has 9754 states and 14212 transitions. Word has length 14 [2021-11-07 12:17:03,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:03,045 INFO L470 AbstractCegarLoop]: Abstraction has 9754 states and 14212 transitions. [2021-11-07 12:17:03,045 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) [2021-11-07 12:17:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 9754 states and 14212 transitions. [2021-11-07 12:17:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 12:17:03,052 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:03,052 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:17:03,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 12:17:03,053 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)] === [2021-11-07 12:17:03,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:03,056 INFO L85 PathProgramCache]: Analyzing trace with hash -2070326368, now seen corresponding path program 1 times [2021-11-07 12:17:03,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:03,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588239497] [2021-11-07 12:17:03,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:03,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:03,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:03,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588239497] [2021-11-07 12:17:03,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588239497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:03,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:03,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:03,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213493223] [2021-11-07 12:17:03,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:03,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:03,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:03,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:03,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:03,265 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) [2021-11-07 12:17:03,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:03,722 INFO L93 Difference]: Finished difference Result 27276 states and 39708 transitions. [2021-11-07 12:17:03,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:03,723 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 [2021-11-07 12:17:03,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:03,835 INFO L225 Difference]: With dead ends: 27276 [2021-11-07 12:17:03,836 INFO L226 Difference]: Without dead ends: 17525 [2021-11-07 12:17:03,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:03,876 INFO L933 BasicCegarLoop]: 7174 mSDtfsCounter, 5683 mSDsluCounter, 7153 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5683 SdHoareTripleChecker+Valid, 14327 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.51ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.83ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:03,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5683 Valid, 14327 Invalid, 8 Unknown, 0 Unchecked, 21.51ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 57.83ms Time] [2021-11-07 12:17:03,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17525 states. [2021-11-07 12:17:04,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17525 to 17388. [2021-11-07 12:17:04,374 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) [2021-11-07 12:17:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17388 states to 17388 states and 25421 transitions. [2021-11-07 12:17:04,446 INFO L78 Accepts]: Start accepts. Automaton has 17388 states and 25421 transitions. Word has length 14 [2021-11-07 12:17:04,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:04,452 INFO L470 AbstractCegarLoop]: Abstraction has 17388 states and 25421 transitions. [2021-11-07 12:17:04,453 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) [2021-11-07 12:17:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 17388 states and 25421 transitions. [2021-11-07 12:17:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 12:17:04,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:04,458 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:17:04,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 12:17:04,459 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)] === [2021-11-07 12:17:04,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:04,459 INFO L85 PathProgramCache]: Analyzing trace with hash 805360743, now seen corresponding path program 1 times [2021-11-07 12:17:04,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:04,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794239768] [2021-11-07 12:17:04,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:04,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:04,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:04,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:04,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794239768] [2021-11-07 12:17:04,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794239768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:04,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:04,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:04,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990312100] [2021-11-07 12:17:04,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:04,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:04,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:04,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:04,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:04,672 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) [2021-11-07 12:17:06,709 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 [] [2021-11-07 12:17:07,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:07,548 INFO L93 Difference]: Finished difference Result 17388 states and 25421 transitions. [2021-11-07 12:17:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:07,549 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 [2021-11-07 12:17:07,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:07,607 INFO L225 Difference]: With dead ends: 17388 [2021-11-07 12:17:07,607 INFO L226 Difference]: Without dead ends: 17312 [2021-11-07 12:17:07,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.65ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:07,620 INFO L933 BasicCegarLoop]: 7048 mSDtfsCounter, 1383 mSDsluCounter, 5540 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 74 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2278.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 12588 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.18ms SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2451.96ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:07,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1383 Valid, 12588 Invalid, 224 Unknown, 0 Unchecked, 18.18ms Time], IncrementalHoareTripleChecker [74 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 2451.96ms Time] [2021-11-07 12:17:07,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17312 states. [2021-11-07 12:17:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17312 to 17312. [2021-11-07 12:17:08,001 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) [2021-11-07 12:17:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17312 states to 17312 states and 25252 transitions. [2021-11-07 12:17:08,060 INFO L78 Accepts]: Start accepts. Automaton has 17312 states and 25252 transitions. Word has length 17 [2021-11-07 12:17:08,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:08,061 INFO L470 AbstractCegarLoop]: Abstraction has 17312 states and 25252 transitions. [2021-11-07 12:17:08,062 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) [2021-11-07 12:17:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 17312 states and 25252 transitions. [2021-11-07 12:17:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 12:17:08,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:08,064 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:17:08,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 12:17:08,064 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)] === [2021-11-07 12:17:08,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:08,065 INFO L85 PathProgramCache]: Analyzing trace with hash -803608067, now seen corresponding path program 1 times [2021-11-07 12:17:08,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:08,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075969496] [2021-11-07 12:17:08,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:08,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:08,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:08,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075969496] [2021-11-07 12:17:08,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075969496] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:08,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:08,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:08,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195608165] [2021-11-07 12:17:08,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:08,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:08,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:08,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:08,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:08,275 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) [2021-11-07 12:17:10,314 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 [] [2021-11-07 12:17:10,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:10,667 INFO L93 Difference]: Finished difference Result 17312 states and 25252 transitions. [2021-11-07 12:17:10,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:10,668 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 [2021-11-07 12:17:10,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:10,725 INFO L225 Difference]: With dead ends: 17312 [2021-11-07 12:17:10,725 INFO L226 Difference]: Without dead ends: 17310 [2021-11-07 12:17:10,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.96ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:10,744 INFO L933 BasicCegarLoop]: 7083 mSDtfsCounter, 7068 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2038.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7068 SdHoareTripleChecker+Valid, 7083 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2146.58ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:10,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7068 Valid, 7083 Invalid, 2 Unknown, 0 Unchecked, 11.33ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2146.58ms Time] [2021-11-07 12:17:10,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17310 states. [2021-11-07 12:17:11,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17310 to 17310. [2021-11-07 12:17:11,170 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) [2021-11-07 12:17:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17310 states to 17310 states and 25250 transitions. [2021-11-07 12:17:11,234 INFO L78 Accepts]: Start accepts. Automaton has 17310 states and 25250 transitions. Word has length 18 [2021-11-07 12:17:11,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:11,235 INFO L470 AbstractCegarLoop]: Abstraction has 17310 states and 25250 transitions. [2021-11-07 12:17:11,235 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) [2021-11-07 12:17:11,235 INFO L276 IsEmpty]: Start isEmpty. Operand 17310 states and 25250 transitions. [2021-11-07 12:17:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 12:17:11,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:11,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 12:17:11,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 12:17:11,237 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)] === [2021-11-07 12:17:11,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:11,237 INFO L85 PathProgramCache]: Analyzing trace with hash 857966385, now seen corresponding path program 1 times [2021-11-07 12:17:11,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:11,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706642996] [2021-11-07 12:17:11,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:11,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:11,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:11,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706642996] [2021-11-07 12:17:11,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706642996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:11,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:11,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:11,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460694256] [2021-11-07 12:17:11,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:11,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:11,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:11,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:11,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:11,414 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) [2021-11-07 12:17:13,457 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 [] [2021-11-07 12:17:14,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:14,489 INFO L93 Difference]: Finished difference Result 51872 states and 75816 transitions. [2021-11-07 12:17:14,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:14,490 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 [2021-11-07 12:17:14,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:14,638 INFO L225 Difference]: With dead ends: 51872 [2021-11-07 12:17:14,638 INFO L226 Difference]: Without dead ends: 34565 [2021-11-07 12:17:14,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.92ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:14,716 INFO L933 BasicCegarLoop]: 7629 mSDtfsCounter, 7063 mSDsluCounter, 7062 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2065.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7063 SdHoareTripleChecker+Valid, 14691 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.67ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2179.05ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:14,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7063 Valid, 14691 Invalid, 24 Unknown, 0 Unchecked, 22.67ms Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2179.05ms Time] [2021-11-07 12:17:14,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34565 states. [2021-11-07 12:17:15,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34565 to 33431. [2021-11-07 12:17:15,853 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) [2021-11-07 12:17:16,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33431 states to 33431 states and 48892 transitions. [2021-11-07 12:17:16,030 INFO L78 Accepts]: Start accepts. Automaton has 33431 states and 48892 transitions. Word has length 19 [2021-11-07 12:17:16,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:16,030 INFO L470 AbstractCegarLoop]: Abstraction has 33431 states and 48892 transitions. [2021-11-07 12:17:16,030 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) [2021-11-07 12:17:16,031 INFO L276 IsEmpty]: Start isEmpty. Operand 33431 states and 48892 transitions. [2021-11-07 12:17:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 12:17:16,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:16,032 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] [2021-11-07 12:17:16,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 12:17:16,034 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)] === [2021-11-07 12:17:16,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:16,035 INFO L85 PathProgramCache]: Analyzing trace with hash 827166855, now seen corresponding path program 1 times [2021-11-07 12:17:16,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:16,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988639581] [2021-11-07 12:17:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:16,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:16,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:16,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988639581] [2021-11-07 12:17:16,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988639581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:16,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:16,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:16,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181931739] [2021-11-07 12:17:16,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:16,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:16,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:16,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:16,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:16,215 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) [2021-11-07 12:17:18,253 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 [] [2021-11-07 12:17:18,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:18,882 INFO L93 Difference]: Finished difference Result 33431 states and 48892 transitions. [2021-11-07 12:17:18,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:18,883 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 [2021-11-07 12:17:18,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:18,975 INFO L225 Difference]: With dead ends: 33431 [2021-11-07 12:17:18,975 INFO L226 Difference]: Without dead ends: 33429 [2021-11-07 12:17:18,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:18,997 INFO L933 BasicCegarLoop]: 7081 mSDtfsCounter, 7064 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2037.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7064 SdHoareTripleChecker+Valid, 7081 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2158.44ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:18,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7064 Valid, 7081 Invalid, 2 Unknown, 0 Unchecked, 10.17ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2158.44ms Time] [2021-11-07 12:17:19,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33429 states. [2021-11-07 12:17:19,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33429 to 33429. [2021-11-07 12:17:19,856 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) [2021-11-07 12:17:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33429 states to 33429 states and 48890 transitions. [2021-11-07 12:17:20,061 INFO L78 Accepts]: Start accepts. Automaton has 33429 states and 48890 transitions. Word has length 20 [2021-11-07 12:17:20,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:20,062 INFO L470 AbstractCegarLoop]: Abstraction has 33429 states and 48890 transitions. [2021-11-07 12:17:20,062 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) [2021-11-07 12:17:20,062 INFO L276 IsEmpty]: Start isEmpty. Operand 33429 states and 48890 transitions. [2021-11-07 12:17:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 12:17:20,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:20,064 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] [2021-11-07 12:17:20,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 12:17:20,064 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)] === [2021-11-07 12:17:20,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:20,065 INFO L85 PathProgramCache]: Analyzing trace with hash -127618565, now seen corresponding path program 1 times [2021-11-07 12:17:20,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:20,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356755794] [2021-11-07 12:17:20,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:20,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:20,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:20,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:20,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356755794] [2021-11-07 12:17:20,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356755794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:20,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:20,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:20,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762109682] [2021-11-07 12:17:20,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:20,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:20,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:20,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:20,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:20,215 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) [2021-11-07 12:17:22,249 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 [] [2021-11-07 12:17:22,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:22,708 INFO L93 Difference]: Finished difference Result 33429 states and 48890 transitions. [2021-11-07 12:17:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:22,794 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 [2021-11-07 12:17:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:22,888 INFO L225 Difference]: With dead ends: 33429 [2021-11-07 12:17:22,889 INFO L226 Difference]: Without dead ends: 33420 [2021-11-07 12:17:22,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.34ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:22,910 INFO L933 BasicCegarLoop]: 7080 mSDtfsCounter, 7061 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2033.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7061 SdHoareTripleChecker+Valid, 7080 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2033.70ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:22,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7061 Valid, 7080 Invalid, 1 Unknown, 0 Unchecked, 7.33ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 1 Unknown, 0 Unchecked, 2033.70ms Time] [2021-11-07 12:17:22,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33420 states. [2021-11-07 12:17:23,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33420 to 33420. [2021-11-07 12:17:23,794 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) [2021-11-07 12:17:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33420 states to 33420 states and 48877 transitions. [2021-11-07 12:17:23,916 INFO L78 Accepts]: Start accepts. Automaton has 33420 states and 48877 transitions. Word has length 21 [2021-11-07 12:17:23,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:23,917 INFO L470 AbstractCegarLoop]: Abstraction has 33420 states and 48877 transitions. [2021-11-07 12:17:23,917 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) [2021-11-07 12:17:23,917 INFO L276 IsEmpty]: Start isEmpty. Operand 33420 states and 48877 transitions. [2021-11-07 12:17:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 12:17:23,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:23,921 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] [2021-11-07 12:17:23,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 12:17:23,922 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)] === [2021-11-07 12:17:23,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:23,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1081299637, now seen corresponding path program 1 times [2021-11-07 12:17:23,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:23,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515564188] [2021-11-07 12:17:23,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:23,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 12:17:24,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:24,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515564188] [2021-11-07 12:17:24,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515564188] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:24,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:24,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:24,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144381933] [2021-11-07 12:17:24,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:24,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:24,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:24,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:24,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:24,070 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) [2021-11-07 12:17:25,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:25,501 INFO L93 Difference]: Finished difference Result 73226 states and 107066 transitions. [2021-11-07 12:17:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:25,502 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 [2021-11-07 12:17:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:25,598 INFO L225 Difference]: With dead ends: 73226 [2021-11-07 12:17:25,598 INFO L226 Difference]: Without dead ends: 39809 [2021-11-07 12:17:25,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.35ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:25,661 INFO L933 BasicCegarLoop]: 7669 mSDtfsCounter, 1870 mSDsluCounter, 7044 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 14713 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.32ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.92ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:25,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1872 Valid, 14713 Invalid, 62 Unknown, 0 Unchecked, 15.32ms Time], IncrementalHoareTripleChecker [17 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 85.92ms Time] [2021-11-07 12:17:25,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39809 states. [2021-11-07 12:17:26,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39809 to 33456. [2021-11-07 12:17:26,537 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) [2021-11-07 12:17:26,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33456 states to 33456 states and 48913 transitions. [2021-11-07 12:17:26,800 INFO L78 Accepts]: Start accepts. Automaton has 33456 states and 48913 transitions. Word has length 34 [2021-11-07 12:17:26,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:26,801 INFO L470 AbstractCegarLoop]: Abstraction has 33456 states and 48913 transitions. [2021-11-07 12:17:26,801 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) [2021-11-07 12:17:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 33456 states and 48913 transitions. [2021-11-07 12:17:26,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-07 12:17:26,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:26,807 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] [2021-11-07 12:17:26,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 12:17:26,808 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)] === [2021-11-07 12:17:26,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:26,809 INFO L85 PathProgramCache]: Analyzing trace with hash -120764988, now seen corresponding path program 1 times [2021-11-07 12:17:26,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:26,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41019055] [2021-11-07 12:17:26,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:26,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:26,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:26,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41019055] [2021-11-07 12:17:26,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41019055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:26,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:26,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:26,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247767695] [2021-11-07 12:17:26,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:26,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:26,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:26,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:26,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:26,939 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) [2021-11-07 12:17:27,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:27,983 INFO L93 Difference]: Finished difference Result 72154 states and 105682 transitions. [2021-11-07 12:17:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:28,082 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 [2021-11-07 12:17:28,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:28,174 INFO L225 Difference]: With dead ends: 72154 [2021-11-07 12:17:28,174 INFO L226 Difference]: Without dead ends: 38701 [2021-11-07 12:17:28,233 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 [2021-11-07 12:17:28,235 INFO L933 BasicCegarLoop]: 8540 mSDtfsCounter, 1717 mSDsluCounter, 7060 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 15600 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.39ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.11ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:28,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1717 Valid, 15600 Invalid, 17 Unknown, 0 Unchecked, 14.39ms Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 69.11ms Time] [2021-11-07 12:17:28,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38701 states. [2021-11-07 12:17:29,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38701 to 38676. [2021-11-07 12:17:29,170 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) [2021-11-07 12:17:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38676 states to 38676 states and 56749 transitions. [2021-11-07 12:17:29,285 INFO L78 Accepts]: Start accepts. Automaton has 38676 states and 56749 transitions. Word has length 46 [2021-11-07 12:17:29,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:29,286 INFO L470 AbstractCegarLoop]: Abstraction has 38676 states and 56749 transitions. [2021-11-07 12:17:29,286 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) [2021-11-07 12:17:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 38676 states and 56749 transitions. [2021-11-07 12:17:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 12:17:29,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:29,290 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] [2021-11-07 12:17:29,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 12:17:29,291 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)] === [2021-11-07 12:17:29,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:29,291 INFO L85 PathProgramCache]: Analyzing trace with hash 434945564, now seen corresponding path program 1 times [2021-11-07 12:17:29,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:29,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797356536] [2021-11-07 12:17:29,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:29,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 12:17:29,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:29,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797356536] [2021-11-07 12:17:29,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797356536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:29,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:29,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:29,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842881785] [2021-11-07 12:17:29,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:29,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 12:17:29,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:29,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 12:17:29,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 12:17:29,646 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) [2021-11-07 12:17:30,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:30,635 INFO L93 Difference]: Finished difference Result 76611 states and 112406 transitions. [2021-11-07 12:17:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 12:17:30,635 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 [2021-11-07 12:17:30,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:30,727 INFO L225 Difference]: With dead ends: 76611 [2021-11-07 12:17:30,727 INFO L226 Difference]: Without dead ends: 37938 [2021-11-07 12:17:30,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.32ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:17:30,829 INFO L933 BasicCegarLoop]: 6939 mSDtfsCounter, 6919 mSDsluCounter, 6927 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6919 SdHoareTripleChecker+Valid, 13866 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.21ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.32ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:30,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6919 Valid, 13866 Invalid, 16 Unknown, 0 Unchecked, 16.21ms Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 27.32ms Time] [2021-11-07 12:17:30,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37938 states. [2021-11-07 12:17:31,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37938 to 37930. [2021-11-07 12:17:31,834 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) [2021-11-07 12:17:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37930 states to 37930 states and 55644 transitions. [2021-11-07 12:17:31,915 INFO L78 Accepts]: Start accepts. Automaton has 37930 states and 55644 transitions. Word has length 45 [2021-11-07 12:17:31,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:31,915 INFO L470 AbstractCegarLoop]: Abstraction has 37930 states and 55644 transitions. [2021-11-07 12:17:31,915 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) [2021-11-07 12:17:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 37930 states and 55644 transitions. [2021-11-07 12:17:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 12:17:31,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:31,922 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] [2021-11-07 12:17:31,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 12:17:31,922 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)] === [2021-11-07 12:17:31,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:31,923 INFO L85 PathProgramCache]: Analyzing trace with hash -788174428, now seen corresponding path program 1 times [2021-11-07 12:17:31,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:31,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089950407] [2021-11-07 12:17:31,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:31,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:32,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 12:17:32,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:32,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089950407] [2021-11-07 12:17:32,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089950407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:32,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:32,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 12:17:32,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534796404] [2021-11-07 12:17:32,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:32,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 12:17:32,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:32,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 12:17:32,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:17:32,083 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) [2021-11-07 12:17:33,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:33,067 INFO L93 Difference]: Finished difference Result 73506 states and 107796 transitions. [2021-11-07 12:17:33,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 12:17:33,068 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 [2021-11-07 12:17:33,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:33,145 INFO L225 Difference]: With dead ends: 73506 [2021-11-07 12:17:33,145 INFO L226 Difference]: Without dead ends: 35579 [2021-11-07 12:17:33,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 21.06ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 12:17:33,214 INFO L933 BasicCegarLoop]: 6250 mSDtfsCounter, 6385 mSDsluCounter, 11880 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6385 SdHoareTripleChecker+Valid, 18130 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.01ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.59ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:33,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6385 Valid, 18130 Invalid, 34 Unknown, 0 Unchecked, 25.01ms Time], IncrementalHoareTripleChecker [19 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 36.59ms Time] [2021-11-07 12:17:33,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35579 states. [2021-11-07 12:17:33,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35579 to 31724. [2021-11-07 12:17:34,030 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) [2021-11-07 12:17:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31724 states to 31724 states and 46461 transitions. [2021-11-07 12:17:34,106 INFO L78 Accepts]: Start accepts. Automaton has 31724 states and 46461 transitions. Word has length 52 [2021-11-07 12:17:34,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:34,106 INFO L470 AbstractCegarLoop]: Abstraction has 31724 states and 46461 transitions. [2021-11-07 12:17:34,106 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) [2021-11-07 12:17:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 31724 states and 46461 transitions. [2021-11-07 12:17:34,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 12:17:34,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:34,111 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] [2021-11-07 12:17:34,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 12:17:34,112 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)] === [2021-11-07 12:17:34,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:34,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1676409213, now seen corresponding path program 1 times [2021-11-07 12:17:34,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:34,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794415396] [2021-11-07 12:17:34,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:34,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:34,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:34,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794415396] [2021-11-07 12:17:34,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794415396] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 12:17:34,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132697588] [2021-11-07 12:17:34,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:34,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 12:17:34,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:17:34,288 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) [2021-11-07 12:17:34,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 12:17:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:35,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 12:17:35,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:17:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 12:17:35,662 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 12:17:35,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132697588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:35,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 12:17:35,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-07 12:17:35,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066048509] [2021-11-07 12:17:35,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:35,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:35,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:35,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:35,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:17:35,665 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) [2021-11-07 12:17:36,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:36,472 INFO L93 Difference]: Finished difference Result 63477 states and 93031 transitions. [2021-11-07 12:17:36,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:36,473 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 [2021-11-07 12:17:36,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:36,553 INFO L225 Difference]: With dead ends: 63477 [2021-11-07 12:17:36,553 INFO L226 Difference]: Without dead ends: 31748 [2021-11-07 12:17:36,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.33ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:17:36,616 INFO L933 BasicCegarLoop]: 5793 mSDtfsCounter, 397 mSDsluCounter, 5388 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 11181 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.89ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.38ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:36,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 11181 Invalid, 14 Unknown, 0 Unchecked, 7.89ms Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 35.38ms Time] [2021-11-07 12:17:36,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31748 states. [2021-11-07 12:17:37,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31748 to 31748. [2021-11-07 12:17:37,364 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) [2021-11-07 12:17:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31748 states to 31748 states and 46485 transitions. [2021-11-07 12:17:37,452 INFO L78 Accepts]: Start accepts. Automaton has 31748 states and 46485 transitions. Word has length 59 [2021-11-07 12:17:37,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:37,452 INFO L470 AbstractCegarLoop]: Abstraction has 31748 states and 46485 transitions. [2021-11-07 12:17:37,452 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) [2021-11-07 12:17:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 31748 states and 46485 transitions. [2021-11-07 12:17:37,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 12:17:37,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:37,459 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] [2021-11-07 12:17:37,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 12:17:37,687 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 [2021-11-07 12:17:37,688 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)] === [2021-11-07 12:17:37,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:37,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1125510950, now seen corresponding path program 1 times [2021-11-07 12:17:37,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:37,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305320279] [2021-11-07 12:17:37,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:37,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 12:17:37,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:37,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305320279] [2021-11-07 12:17:37,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305320279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:37,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:37,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 12:17:37,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306212238] [2021-11-07 12:17:37,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:37,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:37,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:37,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:37,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:37,924 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) [2021-11-07 12:17:39,962 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 [] [2021-11-07 12:17:40,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:40,904 INFO L93 Difference]: Finished difference Result 31748 states and 46485 transitions. [2021-11-07 12:17:40,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:40,904 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 [2021-11-07 12:17:40,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:41,004 INFO L225 Difference]: With dead ends: 31748 [2021-11-07 12:17:41,004 INFO L226 Difference]: Without dead ends: 31690 [2021-11-07 12:17:41,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 12:17:41,029 INFO L933 BasicCegarLoop]: 5703 mSDtfsCounter, 4359 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2224.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4359 SdHoareTripleChecker+Valid, 6965 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.51ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2354.20ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:41,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4359 Valid, 6965 Invalid, 146 Unknown, 0 Unchecked, 8.51ms Time], IncrementalHoareTripleChecker [56 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 2354.20ms Time] [2021-11-07 12:17:41,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31690 states. [2021-11-07 12:17:41,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31690 to 31690. [2021-11-07 12:17:41,709 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) [2021-11-07 12:17:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31690 states to 31690 states and 46233 transitions. [2021-11-07 12:17:41,781 INFO L78 Accepts]: Start accepts. Automaton has 31690 states and 46233 transitions. Word has length 57 [2021-11-07 12:17:41,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:41,781 INFO L470 AbstractCegarLoop]: Abstraction has 31690 states and 46233 transitions. [2021-11-07 12:17:41,782 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) [2021-11-07 12:17:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 31690 states and 46233 transitions. [2021-11-07 12:17:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 12:17:41,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:41,788 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] [2021-11-07 12:17:41,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 12:17:41,788 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)] === [2021-11-07 12:17:41,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:41,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1385026707, now seen corresponding path program 1 times [2021-11-07 12:17:41,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:41,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754480263] [2021-11-07 12:17:41,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:41,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:41,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:41,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754480263] [2021-11-07 12:17:41,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754480263] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 12:17:41,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580478310] [2021-11-07 12:17:41,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:41,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 12:17:41,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:17:41,914 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) [2021-11-07 12:17:41,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 12:17:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:43,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 12:17:43,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:17:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 12:17:43,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 12:17:43,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580478310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:43,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 12:17:43,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-07 12:17:43,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87040370] [2021-11-07 12:17:43,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:43,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:17:43,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:43,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:17:43,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:17:43,204 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) [2021-11-07 12:17:44,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:17:44,396 INFO L93 Difference]: Finished difference Result 92168 states and 134609 transitions. [2021-11-07 12:17:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:17:44,396 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 [2021-11-07 12:17:44,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:17:44,579 INFO L225 Difference]: With dead ends: 92168 [2021-11-07 12:17:44,579 INFO L226 Difference]: Without dead ends: 60481 [2021-11-07 12:17:44,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.39ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:17:44,780 INFO L933 BasicCegarLoop]: 7737 mSDtfsCounter, 5633 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5633 SdHoareTripleChecker+Valid, 13366 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.22ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.15ms IncrementalHoareTripleChecker+Time [2021-11-07 12:17:44,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5633 Valid, 13366 Invalid, 25 Unknown, 0 Unchecked, 11.22ms Time], IncrementalHoareTripleChecker [8 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 61.15ms Time] [2021-11-07 12:17:44,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60481 states. [2021-11-07 12:17:45,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60481 to 60114. [2021-11-07 12:17:45,945 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) [2021-11-07 12:17:46,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60114 states to 60114 states and 87837 transitions. [2021-11-07 12:17:46,253 INFO L78 Accepts]: Start accepts. Automaton has 60114 states and 87837 transitions. Word has length 61 [2021-11-07 12:17:46,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:17:46,253 INFO L470 AbstractCegarLoop]: Abstraction has 60114 states and 87837 transitions. [2021-11-07 12:17:46,253 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) [2021-11-07 12:17:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 60114 states and 87837 transitions. [2021-11-07 12:17:46,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-07 12:17:46,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:17:46,263 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] [2021-11-07 12:17:46,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 12:17:46,487 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 [2021-11-07 12:17:46,488 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)] === [2021-11-07 12:17:46,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:17:46,488 INFO L85 PathProgramCache]: Analyzing trace with hash -646346988, now seen corresponding path program 1 times [2021-11-07 12:17:46,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:17:46,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809497106] [2021-11-07 12:17:46,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:17:46,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:17:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-07 12:17:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:17:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 12:17:46,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:17:46,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809497106] [2021-11-07 12:17:46,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809497106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:17:46,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:17:46,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 12:17:46,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218390690] [2021-11-07 12:17:46,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:17:46,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 12:17:46,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:17:46,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 12:17:46,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 12:17:46,674 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) [2021-11-07 12:17:48,711 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 [] [2021-11-07 12:17:51,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:17:57,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:17:59,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:01,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:03,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:08,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:10,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:12,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:14,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:17,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:19,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:21,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:23,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:27,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:30,097 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:32,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:34,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:36,842 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:39,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:18:39,279 INFO L93 Difference]: Finished difference Result 120411 states and 176053 transitions. [2021-11-07 12:18:39,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 12:18:39,280 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 [2021-11-07 12:18:39,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:18:39,459 INFO L225 Difference]: With dead ends: 120411 [2021-11-07 12:18:39,459 INFO L226 Difference]: Without dead ends: 60300 [2021-11-07 12:18:39,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.67ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 12:18:39,585 INFO L933 BasicCegarLoop]: 5708 mSDtfsCounter, 41 mSDsluCounter, 10160 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 10 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49751.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 15868 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.71ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51055.72ms IncrementalHoareTripleChecker+Time [2021-11-07 12:18:39,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 15868 Invalid, 1304 Unknown, 0 Unchecked, 24.71ms Time], IncrementalHoareTripleChecker [10 Valid, 1275 Invalid, 19 Unknown, 0 Unchecked, 51055.72ms Time] [2021-11-07 12:18:39,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60300 states. [2021-11-07 12:18:40,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60300 to 60180. [2021-11-07 12:18:40,957 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) [2021-11-07 12:18:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60180 states to 60180 states and 87903 transitions. [2021-11-07 12:18:41,099 INFO L78 Accepts]: Start accepts. Automaton has 60180 states and 87903 transitions. Word has length 80 [2021-11-07 12:18:41,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:18:41,099 INFO L470 AbstractCegarLoop]: Abstraction has 60180 states and 87903 transitions. [2021-11-07 12:18:41,099 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) [2021-11-07 12:18:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 60180 states and 87903 transitions. [2021-11-07 12:18:41,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 12:18:41,108 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:18:41,108 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] [2021-11-07 12:18:41,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 12:18:41,109 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)] === [2021-11-07 12:18:41,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:18:41,109 INFO L85 PathProgramCache]: Analyzing trace with hash 45131601, now seen corresponding path program 1 times [2021-11-07 12:18:41,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:18:41,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479058313] [2021-11-07 12:18:41,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:18:41,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:18:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:18:41,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-07 12:18:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:18:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 12:18:41,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:18:41,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479058313] [2021-11-07 12:18:41,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479058313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:18:41,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:18:41,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 12:18:41,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221238752] [2021-11-07 12:18:41,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:18:41,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 12:18:41,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:18:41,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 12:18:41,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 12:18:41,299 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) [2021-11-07 12:18:43,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:46,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:49,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:51,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:54,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:56,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:18:58,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:01,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:05,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:07,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:10,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:12,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:14,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:16,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:19,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:21,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:24,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:27,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:29,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:32,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:34,597 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 [] [2021-11-07 12:19:37,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:19:37,055 INFO L93 Difference]: Finished difference Result 122533 states and 179124 transitions. [2021-11-07 12:19:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 12:19:37,056 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 [2021-11-07 12:19:37,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:19:37,384 INFO L225 Difference]: With dead ends: 122533 [2021-11-07 12:19:37,384 INFO L226 Difference]: Without dead ends: 62356 [2021-11-07 12:19:37,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.42ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 12:19:37,468 INFO L933 BasicCegarLoop]: 5713 mSDtfsCounter, 370 mSDsluCounter, 10164 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 10 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52770.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 15877 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.21ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54209.17ms IncrementalHoareTripleChecker+Time [2021-11-07 12:19:37,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 15877 Invalid, 1307 Unknown, 0 Unchecked, 21.21ms Time], IncrementalHoareTripleChecker [10 Valid, 1276 Invalid, 21 Unknown, 0 Unchecked, 54209.17ms Time] [2021-11-07 12:19:37,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62356 states. [2021-11-07 12:19:38,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62356 to 60198. [2021-11-07 12:19:38,844 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) [2021-11-07 12:19:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60198 states to 60198 states and 87921 transitions. [2021-11-07 12:19:38,984 INFO L78 Accepts]: Start accepts. Automaton has 60198 states and 87921 transitions. Word has length 81 [2021-11-07 12:19:38,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:19:38,984 INFO L470 AbstractCegarLoop]: Abstraction has 60198 states and 87921 transitions. [2021-11-07 12:19:38,985 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) [2021-11-07 12:19:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 60198 states and 87921 transitions. [2021-11-07 12:19:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 12:19:38,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:19:38,995 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] [2021-11-07 12:19:38,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 12:19:38,995 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)] === [2021-11-07 12:19:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:19:38,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1938496302, now seen corresponding path program 1 times [2021-11-07 12:19:38,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:19:38,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781908211] [2021-11-07 12:19:38,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:19:38,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:19:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:19:39,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-07 12:19:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:19:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 12:19:39,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:19:39,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781908211] [2021-11-07 12:19:39,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781908211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:19:39,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:19:39,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 12:19:39,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835667251] [2021-11-07 12:19:39,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:19:39,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 12:19:39,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:19:39,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 12:19:39,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 12:19:39,186 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) [2021-11-07 12:19:41,222 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 [] [2021-11-07 12:19:44,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:46,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:48,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:52,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:54,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:56,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:19:58,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:03,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:05,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:07,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:09,947 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:12,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:14,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:16,817 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:18,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:22,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:24,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:26,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:29,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:31,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:20:34,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:20:34,271 INFO L93 Difference]: Finished difference Result 122551 states and 179124 transitions. [2021-11-07 12:20:34,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 12:20:34,272 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 [2021-11-07 12:20:34,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:20:34,418 INFO L225 Difference]: With dead ends: 122551 [2021-11-07 12:20:34,418 INFO L226 Difference]: Without dead ends: 62356 [2021-11-07 12:20:34,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.53ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-07 12:20:34,524 INFO L933 BasicCegarLoop]: 5715 mSDtfsCounter, 1019 mSDsluCounter, 21573 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 11 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52185.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 27288 SdHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.48ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53704.99ms IncrementalHoareTripleChecker+Time [2021-11-07 12:20:34,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1019 Valid, 27288 Invalid, 1381 Unknown, 0 Unchecked, 27.48ms Time], IncrementalHoareTripleChecker [11 Valid, 1349 Invalid, 21 Unknown, 0 Unchecked, 53704.99ms Time] [2021-11-07 12:20:34,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62356 states. [2021-11-07 12:20:35,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62356 to 60297. [2021-11-07 12:20:35,786 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) [2021-11-07 12:20:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60297 states to 60297 states and 88038 transitions. [2021-11-07 12:20:35,936 INFO L78 Accepts]: Start accepts. Automaton has 60297 states and 88038 transitions. Word has length 84 [2021-11-07 12:20:35,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:20:35,936 INFO L470 AbstractCegarLoop]: Abstraction has 60297 states and 88038 transitions. [2021-11-07 12:20:35,937 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) [2021-11-07 12:20:35,937 INFO L276 IsEmpty]: Start isEmpty. Operand 60297 states and 88038 transitions. [2021-11-07 12:20:35,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 12:20:35,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:20:35,944 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] [2021-11-07 12:20:35,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 12:20:35,944 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)] === [2021-11-07 12:20:35,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:20:35,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1471650878, now seen corresponding path program 1 times [2021-11-07 12:20:35,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:20:35,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627232561] [2021-11-07 12:20:35,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:20:35,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:20:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-07 12:20:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 12:20:36,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:20:36,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627232561] [2021-11-07 12:20:36,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627232561] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 12:20:36,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360934197] [2021-11-07 12:20:36,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:20:36,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 12:20:36,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:20:36,117 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) [2021-11-07 12:20:36,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 12:20:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:37,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 12:20:37,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:20:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 12:20:37,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 12:20:37,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360934197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:20:37,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 12:20:37,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-07 12:20:37,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87795338] [2021-11-07 12:20:37,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:20:37,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 12:20:37,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:20:37,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 12:20:37,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 12:20:37,357 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) [2021-11-07 12:20:39,385 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 [] [2021-11-07 12:20:40,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:20:40,676 INFO L93 Difference]: Finished difference Result 120591 states and 176129 transitions. [2021-11-07 12:20:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 12:20:40,677 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 [2021-11-07 12:20:40,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:20:40,984 INFO L225 Difference]: With dead ends: 120591 [2021-11-07 12:20:40,984 INFO L226 Difference]: Without dead ends: 60297 [2021-11-07 12:20:41,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 28.34ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 12:20:41,052 INFO L933 BasicCegarLoop]: 10910 mSDtfsCounter, 5705 mSDsluCounter, 5708 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2039.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5705 SdHoareTripleChecker+Valid, 16618 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.08ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2142.77ms IncrementalHoareTripleChecker+Time [2021-11-07 12:20:41,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5705 Valid, 16618 Invalid, 17 Unknown, 0 Unchecked, 11.08ms Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2142.77ms Time] [2021-11-07 12:20:41,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60297 states. [2021-11-07 12:20:42,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60297 to 60200. [2021-11-07 12:20:42,281 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) [2021-11-07 12:20:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60200 states to 60200 states and 87845 transitions. [2021-11-07 12:20:42,398 INFO L78 Accepts]: Start accepts. Automaton has 60200 states and 87845 transitions. Word has length 85 [2021-11-07 12:20:42,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:20:42,399 INFO L470 AbstractCegarLoop]: Abstraction has 60200 states and 87845 transitions. [2021-11-07 12:20:42,399 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) [2021-11-07 12:20:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 60200 states and 87845 transitions. [2021-11-07 12:20:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 12:20:42,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:20:42,409 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] [2021-11-07 12:20:42,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 12:20:42,623 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 [2021-11-07 12:20:42,623 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)] === [2021-11-07 12:20:42,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:20:42,624 INFO L85 PathProgramCache]: Analyzing trace with hash -116697024, now seen corresponding path program 1 times [2021-11-07 12:20:42,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:20:42,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528663211] [2021-11-07 12:20:42,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:20:42,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:20:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-07 12:20:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 12:20:42,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:20:42,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528663211] [2021-11-07 12:20:42,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528663211] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 12:20:42,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204699787] [2021-11-07 12:20:42,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:20:42,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 12:20:42,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:20:42,820 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) [2021-11-07 12:20:42,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 12:20:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:43,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 2008 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 12:20:43,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:20:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 12:20:44,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 12:20:44,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204699787] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:20:44,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 12:20:44,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-11-07 12:20:44,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427187204] [2021-11-07 12:20:44,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:20:44,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 12:20:44,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:20:44,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 12:20:44,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 12:20:44,024 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) [2021-11-07 12:20:46,067 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 [] [2021-11-07 12:20:47,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:20:47,378 INFO L93 Difference]: Finished difference Result 120426 states and 175721 transitions. [2021-11-07 12:20:47,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 12:20:47,379 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 [2021-11-07 12:20:47,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:20:47,541 INFO L225 Difference]: With dead ends: 120426 [2021-11-07 12:20:47,541 INFO L226 Difference]: Without dead ends: 60217 [2021-11-07 12:20:47,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 35.88ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 12:20:47,620 INFO L933 BasicCegarLoop]: 5734 mSDtfsCounter, 11 mSDsluCounter, 11454 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2049.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17188 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2140.14ms IncrementalHoareTripleChecker+Time [2021-11-07 12:20:47,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 17188 Invalid, 11 Unknown, 0 Unchecked, 8.01ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2140.14ms Time] [2021-11-07 12:20:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60217 states. [2021-11-07 12:20:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60217 to 60202. [2021-11-07 12:20:48,906 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) [2021-11-07 12:20:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60202 states to 60202 states and 87841 transitions. [2021-11-07 12:20:49,036 INFO L78 Accepts]: Start accepts. Automaton has 60202 states and 87841 transitions. Word has length 85 [2021-11-07 12:20:49,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:20:49,036 INFO L470 AbstractCegarLoop]: Abstraction has 60202 states and 87841 transitions. [2021-11-07 12:20:49,036 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) [2021-11-07 12:20:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 60202 states and 87841 transitions. [2021-11-07 12:20:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-07 12:20:49,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:20:49,043 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] [2021-11-07 12:20:49,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-07 12:20:49,243 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 [2021-11-07 12:20:49,244 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)] === [2021-11-07 12:20:49,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:20:49,244 INFO L85 PathProgramCache]: Analyzing trace with hash 197854018, now seen corresponding path program 1 times [2021-11-07 12:20:49,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:20:49,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709549356] [2021-11-07 12:20:49,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:20:49,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:20:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:49,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-07 12:20:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:49,393 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 12:20:49,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:20:49,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709549356] [2021-11-07 12:20:49,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709549356] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 12:20:49,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728369561] [2021-11-07 12:20:49,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:20:49,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 12:20:49,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:20:49,395 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) [2021-11-07 12:20:49,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 12:20:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:50,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 2031 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 12:20:50,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:20:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-07 12:20:50,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 12:20:50,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728369561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:20:50,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 12:20:50,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-07 12:20:50,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017351896] [2021-11-07 12:20:50,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:20:50,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 12:20:50,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:20:50,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 12:20:50,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-07 12:20:50,437 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) [2021-11-07 12:20:52,469 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 [] [2021-11-07 12:20:53,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:20:53,853 INFO L93 Difference]: Finished difference Result 120442 states and 175725 transitions. [2021-11-07 12:20:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 12:20:53,853 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 [2021-11-07 12:20:53,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:20:54,016 INFO L225 Difference]: With dead ends: 120442 [2021-11-07 12:20:54,017 INFO L226 Difference]: Without dead ends: 60225 [2021-11-07 12:20:54,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 46.76ms TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-07 12:20:54,245 INFO L933 BasicCegarLoop]: 5733 mSDtfsCounter, 18 mSDsluCounter, 17177 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2044.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 22910 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.94ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2158.91ms IncrementalHoareTripleChecker+Time [2021-11-07 12:20:54,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 22910 Invalid, 21 Unknown, 0 Unchecked, 9.94ms Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2158.91ms Time] [2021-11-07 12:20:54,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60225 states. [2021-11-07 12:20:55,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60225 to 60203. [2021-11-07 12:20:55,481 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) [2021-11-07 12:20:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60203 states to 60203 states and 87836 transitions. [2021-11-07 12:20:55,789 INFO L78 Accepts]: Start accepts. Automaton has 60203 states and 87836 transitions. Word has length 88 [2021-11-07 12:20:55,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:20:55,789 INFO L470 AbstractCegarLoop]: Abstraction has 60203 states and 87836 transitions. [2021-11-07 12:20:55,789 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) [2021-11-07 12:20:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand 60203 states and 87836 transitions. [2021-11-07 12:20:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-07 12:20:55,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:20:55,796 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] [2021-11-07 12:20:55,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 12:20:55,998 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 [2021-11-07 12:20:55,999 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)] === [2021-11-07 12:20:55,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:20:55,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1528688287, now seen corresponding path program 1 times [2021-11-07 12:20:55,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:20:55,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953231169] [2021-11-07 12:20:55,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:20:55,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:20:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-07 12:20:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:56,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 12:20:56,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:20:56,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953231169] [2021-11-07 12:20:56,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953231169] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 12:20:56,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248262897] [2021-11-07 12:20:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:20:56,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 12:20:56,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:20:56,173 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) [2021-11-07 12:20:56,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 12:20:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:20:57,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 12:20:57,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:20:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 12:20:57,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 12:20:57,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248262897] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:20:57,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 12:20:57,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-07 12:20:57,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327967749] [2021-11-07 12:20:57,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:20:57,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 12:20:57,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:20:57,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 12:20:57,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-07 12:20:57,204 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) [2021-11-07 12:20:59,241 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 [] [2021-11-07 12:21:01,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:21:01,107 INFO L93 Difference]: Finished difference Result 151643 states and 221286 transitions. [2021-11-07 12:21:01,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 12:21:01,107 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 [2021-11-07 12:21:01,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:21:01,356 INFO L225 Difference]: With dead ends: 151643 [2021-11-07 12:21:01,356 INFO L226 Difference]: Without dead ends: 91443 [2021-11-07 12:21:01,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 50.33ms TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-07 12:21:01,440 INFO L933 BasicCegarLoop]: 11369 mSDtfsCounter, 5641 mSDsluCounter, 28459 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2048.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5643 SdHoareTripleChecker+Valid, 39828 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2166.56ms IncrementalHoareTripleChecker+Time [2021-11-07 12:21:01,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5643 Valid, 39828 Invalid, 19 Unknown, 0 Unchecked, 20.91ms Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2166.56ms Time] [2021-11-07 12:21:01,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91443 states. [2021-11-07 12:21:02,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91443 to 60243. [2021-11-07 12:21:03,015 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) [2021-11-07 12:21:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60243 states to 60243 states and 87884 transitions. [2021-11-07 12:21:03,141 INFO L78 Accepts]: Start accepts. Automaton has 60243 states and 87884 transitions. Word has length 88 [2021-11-07 12:21:03,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:21:03,142 INFO L470 AbstractCegarLoop]: Abstraction has 60243 states and 87884 transitions. [2021-11-07 12:21:03,142 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) [2021-11-07 12:21:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 60243 states and 87884 transitions. [2021-11-07 12:21:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-07 12:21:03,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:21:03,151 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] [2021-11-07 12:21:03,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 12:21:03,367 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 [2021-11-07 12:21:03,368 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)] === [2021-11-07 12:21:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:21:03,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1912751382, now seen corresponding path program 1 times [2021-11-07 12:21:03,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:21:03,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587337630] [2021-11-07 12:21:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:21:03,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:21:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:21:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-07 12:21:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:21:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 12:21:03,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:21:03,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587337630] [2021-11-07 12:21:03,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587337630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:21:03,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 12:21:03,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 12:21:03,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081870667] [2021-11-07 12:21:03,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:21:03,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 12:21:03,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:21:03,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 12:21:03,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:21:03,542 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) [2021-11-07 12:21:05,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:08,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:11,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:13,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:16,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:19,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:21,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:23,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:25,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:28,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:30,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:33,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:35,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:38,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:40,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:42,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:44,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:46,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:48,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:52,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 12:21:57,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:21:57,391 INFO L93 Difference]: Finished difference Result 124523 states and 181753 transitions. [2021-11-07 12:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 12:21:57,392 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 [2021-11-07 12:21:57,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:21:57,555 INFO L225 Difference]: With dead ends: 124523 [2021-11-07 12:21:57,555 INFO L226 Difference]: Without dead ends: 64283 [2021-11-07 12:21:57,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.49ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 12:21:57,642 INFO L933 BasicCegarLoop]: 5717 mSDtfsCounter, 377 mSDsluCounter, 10519 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 10 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50625.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 16236 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.41ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52087.51ms IncrementalHoareTripleChecker+Time [2021-11-07 12:21:57,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [379 Valid, 16236 Invalid, 1295 Unknown, 0 Unchecked, 20.41ms Time], IncrementalHoareTripleChecker [10 Valid, 1266 Invalid, 19 Unknown, 0 Unchecked, 52087.51ms Time] [2021-11-07 12:21:57,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64283 states. [2021-11-07 12:21:59,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64283 to 60275. [2021-11-07 12:21:59,089 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) [2021-11-07 12:21:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60275 states to 60275 states and 87916 transitions. [2021-11-07 12:21:59,216 INFO L78 Accepts]: Start accepts. Automaton has 60275 states and 87916 transitions. Word has length 111 [2021-11-07 12:21:59,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:21:59,217 INFO L470 AbstractCegarLoop]: Abstraction has 60275 states and 87916 transitions. [2021-11-07 12:21:59,217 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) [2021-11-07 12:21:59,217 INFO L276 IsEmpty]: Start isEmpty. Operand 60275 states and 87916 transitions. [2021-11-07 12:21:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-07 12:21:59,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:21:59,225 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] [2021-11-07 12:21:59,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 12:21:59,226 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)] === [2021-11-07 12:21:59,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:21:59,226 INFO L85 PathProgramCache]: Analyzing trace with hash -201065308, now seen corresponding path program 1 times [2021-11-07 12:21:59,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:21:59,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575043883] [2021-11-07 12:21:59,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:21:59,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:21:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:21:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-07 12:21:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:21:59,417 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 12:21:59,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:21:59,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575043883] [2021-11-07 12:21:59,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575043883] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 12:21:59,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615075247] [2021-11-07 12:21:59,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:21:59,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 12:21:59,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:21:59,424 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) [2021-11-07 12:21:59,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 12:22:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:22:00,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 12:22:00,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:22:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 12:22:00,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 12:22:00,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615075247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:22:00,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 12:22:00,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2021-11-07 12:22:00,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782603299] [2021-11-07 12:22:00,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:22:00,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 12:22:00,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:22:00,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 12:22:00,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-07 12:22:00,812 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) [2021-11-07 12:22:02,840 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 [] [2021-11-07 12:22:05,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 12:22:05,208 INFO L93 Difference]: Finished difference Result 151931 states and 221874 transitions. [2021-11-07 12:22:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 12:22:05,209 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 [2021-11-07 12:22:05,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 12:22:05,463 INFO L225 Difference]: With dead ends: 151931 [2021-11-07 12:22:05,463 INFO L226 Difference]: Without dead ends: 91659 [2021-11-07 12:22:05,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 149.78ms TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2021-11-07 12:22:05,579 INFO L933 BasicCegarLoop]: 11369 mSDtfsCounter, 5652 mSDsluCounter, 51171 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2109.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5654 SdHoareTripleChecker+Valid, 62540 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.11ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2245.13ms IncrementalHoareTripleChecker+Time [2021-11-07 12:22:05,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5654 Valid, 62540 Invalid, 76 Unknown, 0 Unchecked, 32.11ms Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 1 Unknown, 0 Unchecked, 2245.13ms Time] [2021-11-07 12:22:05,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91659 states. [2021-11-07 12:22:07,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91659 to 60331. [2021-11-07 12:22:07,354 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) [2021-11-07 12:22:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60331 states to 60331 states and 87972 transitions. [2021-11-07 12:22:07,476 INFO L78 Accepts]: Start accepts. Automaton has 60331 states and 87972 transitions. Word has length 114 [2021-11-07 12:22:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 12:22:07,477 INFO L470 AbstractCegarLoop]: Abstraction has 60331 states and 87972 transitions. [2021-11-07 12:22:07,477 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) [2021-11-07 12:22:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 60331 states and 87972 transitions. [2021-11-07 12:22:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-07 12:22:07,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 12:22:07,487 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] [2021-11-07 12:22:07,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 12:22:07,687 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 [2021-11-07 12:22:07,688 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)] === [2021-11-07 12:22:07,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 12:22:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1378912051, now seen corresponding path program 1 times [2021-11-07 12:22:07,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 12:22:07,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670407910] [2021-11-07 12:22:07,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:22:07,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 12:22:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:22:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-07 12:22:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:22:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 12:22:07,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 12:22:07,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670407910] [2021-11-07 12:22:07,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670407910] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 12:22:07,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978860804] [2021-11-07 12:22:07,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 12:22:07,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 12:22:07,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 12:22:07,893 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) [2021-11-07 12:22:07,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 12:22:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 12:22:08,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 2401 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 12:22:08,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 12:22:09,051 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 12:22:09,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 12:22:09,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978860804] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 12:22:09,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 12:22:09,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2021-11-07 12:22:09,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059846059] [2021-11-07 12:22:09,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 12:22:09,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 12:22:09,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 12:22:09,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 12:22:09,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-07 12:22:09,053 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) [2021-11-07 12:22:11,080 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 []