./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.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-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.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 62cb578dfe3af17ed98c8454048d798a874692901bcf05dac12a80fa481c23e6 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 11:32:19,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 11:32:19,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 11:32:19,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 11:32:19,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 11:32:19,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 11:32:19,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 11:32:19,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 11:32:19,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 11:32:19,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 11:32:19,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 11:32:19,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 11:32:19,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 11:32:19,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 11:32:19,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 11:32:19,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 11:32:19,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 11:32:19,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 11:32:19,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 11:32:19,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 11:32:19,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 11:32:19,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 11:32:19,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 11:32:19,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 11:32:19,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 11:32:19,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 11:32:19,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 11:32:19,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 11:32:19,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 11:32:19,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 11:32:19,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 11:32:19,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 11:32:19,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 11:32:19,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 11:32:19,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 11:32:19,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 11:32:19,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 11:32:19,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 11:32:19,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 11:32:19,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 11:32:19,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 11:32:19,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 11:32:19,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 11:32:19,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 11:32:19,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 11:32:19,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 11:32:19,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 11:32:19,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 11:32:19,954 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 11:32:19,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 11:32:19,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 11:32:19,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 11:32:19,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 11:32:19,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 11:32:19,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 11:32:19,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 11:32:19,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 11:32:19,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 11:32:19,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 11:32:19,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 11:32:19,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 11:32:19,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 11:32:19,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 11:32:19,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 11:32:19,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 11:32:19,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 11:32:19,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 11:32:19,959 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 11:32:19,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 11:32:19,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 11:32:19,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 11:32:19,960 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62cb578dfe3af17ed98c8454048d798a874692901bcf05dac12a80fa481c23e6 [2021-11-07 11:32:20,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 11:32:20,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 11:32:20,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 11:32:20,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 11:32:20,263 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 11:32:20,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i [2021-11-07 11:32:20,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81fed0ef/8e08b74fc5e7490f829caf07793f8f45/FLAGbf390e7f7 [2021-11-07 11:32:21,015 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 11:32:21,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i [2021-11-07 11:32:21,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81fed0ef/8e08b74fc5e7490f829caf07793f8f45/FLAGbf390e7f7 [2021-11-07 11:32:21,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b81fed0ef/8e08b74fc5e7490f829caf07793f8f45 [2021-11-07 11:32:21,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 11:32:21,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 11:32:21,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 11:32:21,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 11:32:21,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 11:32:21,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:32:21" (1/1) ... [2021-11-07 11:32:21,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7321816c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:21, skipping insertion in model container [2021-11-07 11:32:21,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:32:21" (1/1) ... [2021-11-07 11:32:21,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 11:32:21,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 11:32:22,369 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-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i[176586,176599] [2021-11-07 11:32:22,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 11:32:22,436 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 11:32:22,692 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-commit-tester/m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i[176586,176599] [2021-11-07 11:32:22,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 11:32:22,747 INFO L208 MainTranslator]: Completed translation [2021-11-07 11:32:22,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22 WrapperNode [2021-11-07 11:32:22,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 11:32:22,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 11:32:22,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 11:32:22,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 11:32:22,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:22,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:24,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 11:32:24,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 11:32:24,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 11:32:24,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 11:32:24,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:24,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:24,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:24,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:24,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:25,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:25,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:25,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 11:32:25,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 11:32:25,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 11:32:25,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 11:32:25,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (1/1) ... [2021-11-07 11:32:25,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 11:32:25,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:32:25,532 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 11:32:25,585 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 11:32:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 11:32:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure snd_mixer_oss_get_recsrc2 [2021-11-07 11:32:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_mixer_oss_get_recsrc2 [2021-11-07 11:32:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 11:32:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-07 11:32:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 11:32:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 11:32:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2021-11-07 11:32:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 11:32:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 11:32:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 11:32:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 11:32:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 11:32:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 11:32:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 11:32:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 11:32:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 11:32:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 11:32:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 11:34:08,928 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 11:34:08,928 INFO L299 CfgBuilder]: Removed 9499 assume(true) statements. [2021-11-07 11:34:08,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:34:08 BoogieIcfgContainer [2021-11-07 11:34:08,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 11:34:08,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 11:34:08,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 11:34:08,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 11:34:08,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:32:21" (1/3) ... [2021-11-07 11:34:08,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9c4d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:34:08, skipping insertion in model container [2021-11-07 11:34:08,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:32:22" (2/3) ... [2021-11-07 11:34:08,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9c4d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:34:08, skipping insertion in model container [2021-11-07 11:34:08,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:34:08" (3/3) ... [2021-11-07 11:34:08,948 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-core-oss-snd-mixer-oss-ko--143_7a--506218e.i [2021-11-07 11:34:08,957 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 11:34:08,957 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 260 error locations. [2021-11-07 11:34:09,047 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 11:34:09,054 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 11:34:09,055 INFO L340 AbstractCegarLoop]: Starting to check reachability of 260 error locations. [2021-11-07 11:34:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 11252 states, 10886 states have (on average 1.544093330883704) internal successors, (16809), 11146 states have internal predecessors, (16809), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2021-11-07 11:34:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 11:34:09,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:09,260 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:34:09,260 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:09,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:09,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1324479388, now seen corresponding path program 1 times [2021-11-07 11:34:09,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:09,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354045514] [2021-11-07 11:34:09,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:09,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:09,833 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 11:34:09,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:09,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354045514] [2021-11-07 11:34:09,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354045514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:34:09,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:34:09,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:34:09,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701283840] [2021-11-07 11:34:09,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:34:09,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:34:09,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:09,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:34:09,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:34:09,899 INFO L87 Difference]: Start difference. First operand has 11252 states, 10886 states have (on average 1.544093330883704) internal successors, (16809), 11146 states have internal predecessors, (16809), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 11:34:10,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:34:10,322 INFO L93 Difference]: Finished difference Result 17084 states and 25114 transitions. [2021-11-07 11:34:10,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:34:10,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-11-07 11:34:10,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:34:10,366 INFO L225 Difference]: With dead ends: 17084 [2021-11-07 11:34:10,366 INFO L226 Difference]: Without dead ends: 5831 [2021-11-07 11:34:10,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.18ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:34:10,437 INFO L933 BasicCegarLoop]: 6464 mSDtfsCounter, 938 mSDsluCounter, 6330 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 12794 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.86ms IncrementalHoareTripleChecker+Time [2021-11-07 11:34:10,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [950 Valid, 12794 Invalid, 9 Unknown, 0 Unchecked, 31.53ms Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 51.86ms Time] [2021-11-07 11:34:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5831 states. [2021-11-07 11:34:10,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5831 to 5027. [2021-11-07 11:34:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5027 states, 4662 states have (on average 1.3142428142428142) internal successors, (6127), 4921 states have internal predecessors, (6127), 103 states have call successors, (103), 2 states have call predecessors, (103), 2 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2021-11-07 11:34:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5027 states to 5027 states and 6333 transitions. [2021-11-07 11:34:10,664 INFO L78 Accepts]: Start accepts. Automaton has 5027 states and 6333 transitions. Word has length 8 [2021-11-07 11:34:10,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:34:10,665 INFO L470 AbstractCegarLoop]: Abstraction has 5027 states and 6333 transitions. [2021-11-07 11:34:10,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 11:34:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5027 states and 6333 transitions. [2021-11-07 11:34:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 11:34:10,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:10,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:34:10,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 11:34:10,666 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:10,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:10,667 INFO L85 PathProgramCache]: Analyzing trace with hash 439110634, now seen corresponding path program 1 times [2021-11-07 11:34:10,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:10,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245894451] [2021-11-07 11:34:10,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:10,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:34:11,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:11,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245894451] [2021-11-07 11:34:11,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245894451] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 11:34:11,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871197121] [2021-11-07 11:34:11,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:11,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:11,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:34:11,195 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 11:34:11,204 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 11:34:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:11,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 11:34:11,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:34:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:34:12,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:34:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:34:12,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871197121] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:34:12,225 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 11:34:12,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 11:34:12,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258545307] [2021-11-07 11:34:12,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 11:34:12,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 11:34:12,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:12,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 11:34:12,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 11:34:12,229 INFO L87 Difference]: Start difference. First operand 5027 states and 6333 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 11:34:13,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:34:13,045 INFO L93 Difference]: Finished difference Result 11660 states and 14590 transitions. [2021-11-07 11:34:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 11:34:13,046 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 12 [2021-11-07 11:34:13,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:34:13,091 INFO L225 Difference]: With dead ends: 11660 [2021-11-07 11:34:13,091 INFO L226 Difference]: Without dead ends: 7442 [2021-11-07 11:34:13,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 126.53ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 11:34:13,116 INFO L933 BasicCegarLoop]: 6641 mSDtfsCounter, 5488 mSDsluCounter, 19196 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 518.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5536 SdHoareTripleChecker+Valid, 25837 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.29ms SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 551.52ms IncrementalHoareTripleChecker+Time [2021-11-07 11:34:13,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5536 Valid, 25837 Invalid, 109 Unknown, 0 Unchecked, 35.29ms Time], IncrementalHoareTripleChecker [29 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 551.52ms Time] [2021-11-07 11:34:13,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7442 states. [2021-11-07 11:34:13,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7442 to 7112. [2021-11-07 11:34:13,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7112 states, 6711 states have (on average 1.308150797198629) internal successors, (8779), 6970 states have internal predecessors, (8779), 139 states have call successors, (139), 2 states have call predecessors, (139), 2 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2021-11-07 11:34:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7112 states to 7112 states and 9057 transitions. [2021-11-07 11:34:13,342 INFO L78 Accepts]: Start accepts. Automaton has 7112 states and 9057 transitions. Word has length 12 [2021-11-07 11:34:13,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:34:13,343 INFO L470 AbstractCegarLoop]: Abstraction has 7112 states and 9057 transitions. [2021-11-07 11:34:13,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 11:34:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7112 states and 9057 transitions. [2021-11-07 11:34:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 11:34:13,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:13,347 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:34:13,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 11:34:13,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:13,564 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:13,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:13,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1285272876, now seen corresponding path program 2 times [2021-11-07 11:34:13,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:13,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976403495] [2021-11-07 11:34:13,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:13,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-07 11:34:13,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:13,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976403495] [2021-11-07 11:34:13,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976403495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:34:13,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:34:13,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 11:34:13,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510784809] [2021-11-07 11:34:13,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:34:13,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 11:34:13,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:13,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 11:34:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 11:34:13,798 INFO L87 Difference]: Start difference. First operand 7112 states and 9057 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 11:34:14,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:34:14,225 INFO L93 Difference]: Finished difference Result 7115 states and 9059 transitions. [2021-11-07 11:34:14,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 11:34:14,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 24 [2021-11-07 11:34:14,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:34:14,261 INFO L225 Difference]: With dead ends: 7115 [2021-11-07 11:34:14,261 INFO L226 Difference]: Without dead ends: 7112 [2021-11-07 11:34:14,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 95.34ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 11:34:14,271 INFO L933 BasicCegarLoop]: 6329 mSDtfsCounter, 9817 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 213.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9817 SdHoareTripleChecker+Valid, 8994 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.17ms SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 243.92ms IncrementalHoareTripleChecker+Time [2021-11-07 11:34:14,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9817 Valid, 8994 Invalid, 180 Unknown, 0 Unchecked, 18.17ms Time], IncrementalHoareTripleChecker [176 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 243.92ms Time] [2021-11-07 11:34:14,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7112 states. [2021-11-07 11:34:14,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7112 to 7112. [2021-11-07 11:34:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7112 states, 6711 states have (on average 1.3080017881090746) internal successors, (8778), 6970 states have internal predecessors, (8778), 139 states have call successors, (139), 2 states have call predecessors, (139), 2 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2021-11-07 11:34:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7112 states to 7112 states and 9056 transitions. [2021-11-07 11:34:14,467 INFO L78 Accepts]: Start accepts. Automaton has 7112 states and 9056 transitions. Word has length 24 [2021-11-07 11:34:14,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:34:14,467 INFO L470 AbstractCegarLoop]: Abstraction has 7112 states and 9056 transitions. [2021-11-07 11:34:14,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 11:34:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 7112 states and 9056 transitions. [2021-11-07 11:34:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 11:34:14,470 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:14,470 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] [2021-11-07 11:34:14,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 11:34:14,470 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:14,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:14,471 INFO L85 PathProgramCache]: Analyzing trace with hash 278588712, now seen corresponding path program 1 times [2021-11-07 11:34:14,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:14,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893956963] [2021-11-07 11:34:14,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:14,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:14,525 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 11:34:14,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131180213] [2021-11-07 11:34:14,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:14,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:14,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:34:14,527 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 11:34:14,543 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 11:34:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:15,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 11:34:15,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:34:15,371 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 11:34:15,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 11:34:15,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:15,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893956963] [2021-11-07 11:34:15,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 11:34:15,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131180213] [2021-11-07 11:34:15,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131180213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:34:15,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:34:15,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:34:15,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031460031] [2021-11-07 11:34:15,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:34:15,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:34:15,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:15,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:34:15,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:34:15,374 INFO L87 Difference]: Start difference. First operand 7112 states and 9056 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 11:34:17,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:34:19,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:34:22,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:34:22,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:34:22,330 INFO L93 Difference]: Finished difference Result 14183 states and 18058 transitions. [2021-11-07 11:34:22,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:34:22,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-11-07 11:34:22,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:34:22,398 INFO L225 Difference]: With dead ends: 14183 [2021-11-07 11:34:22,399 INFO L226 Difference]: Without dead ends: 7124 [2021-11-07 11:34:22,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:34:22,430 INFO L933 BasicCegarLoop]: 6325 mSDtfsCounter, 3 mSDsluCounter, 6316 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6720.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12641 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.33ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6785.19ms IncrementalHoareTripleChecker+Time [2021-11-07 11:34:22,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 12641 Invalid, 22 Unknown, 0 Unchecked, 10.33ms Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 6785.19ms Time] [2021-11-07 11:34:22,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7124 states. [2021-11-07 11:34:22,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7124 to 7118. [2021-11-07 11:34:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7118 states, 6717 states have (on average 1.307726663689147) internal successors, (8784), 6976 states have internal predecessors, (8784), 139 states have call successors, (139), 2 states have call predecessors, (139), 2 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2021-11-07 11:34:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7118 states to 7118 states and 9062 transitions. [2021-11-07 11:34:22,650 INFO L78 Accepts]: Start accepts. Automaton has 7118 states and 9062 transitions. Word has length 27 [2021-11-07 11:34:22,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:34:22,650 INFO L470 AbstractCegarLoop]: Abstraction has 7118 states and 9062 transitions. [2021-11-07 11:34:22,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 11:34:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 7118 states and 9062 transitions. [2021-11-07 11:34:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-07 11:34:22,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:22,654 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:34:22,685 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 11:34:22,879 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,SelfDestructingSolverStorable3 [2021-11-07 11:34:22,880 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:22,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:22,880 INFO L85 PathProgramCache]: Analyzing trace with hash -293101137, now seen corresponding path program 1 times [2021-11-07 11:34:22,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:22,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552296104] [2021-11-07 11:34:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:22,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-07 11:34:23,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:23,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552296104] [2021-11-07 11:34:23,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552296104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:34:23,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:34:23,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:34:23,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208782786] [2021-11-07 11:34:23,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:34:23,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:34:23,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:23,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:34:23,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:34:23,080 INFO L87 Difference]: Start difference. First operand 7118 states and 9062 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:34:23,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:34:23,249 INFO L93 Difference]: Finished difference Result 7927 states and 10029 transitions. [2021-11-07 11:34:23,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:34:23,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-07 11:34:23,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:34:23,278 INFO L225 Difference]: With dead ends: 7927 [2021-11-07 11:34:23,279 INFO L226 Difference]: Without dead ends: 7924 [2021-11-07 11:34:23,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.18ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:34:23,287 INFO L933 BasicCegarLoop]: 6494 mSDtfsCounter, 938 mSDsluCounter, 6326 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 12820 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.69ms IncrementalHoareTripleChecker+Time [2021-11-07 11:34:23,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [950 Valid, 12820 Invalid, 9 Unknown, 0 Unchecked, 10.58ms Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 60.69ms Time] [2021-11-07 11:34:23,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7924 states. [2021-11-07 11:34:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7924 to 7119. [2021-11-07 11:34:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7119 states, 6718 states have (on average 1.3076808573980352) internal successors, (8785), 6977 states have internal predecessors, (8785), 139 states have call successors, (139), 2 states have call predecessors, (139), 2 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2021-11-07 11:34:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7119 states to 7119 states and 9063 transitions. [2021-11-07 11:34:23,491 INFO L78 Accepts]: Start accepts. Automaton has 7119 states and 9063 transitions. Word has length 28 [2021-11-07 11:34:23,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:34:23,491 INFO L470 AbstractCegarLoop]: Abstraction has 7119 states and 9063 transitions. [2021-11-07 11:34:23,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 11:34:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 7119 states and 9063 transitions. [2021-11-07 11:34:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 11:34:23,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:23,493 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] [2021-11-07 11:34:23,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 11:34:23,493 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:23,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:23,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1005756, now seen corresponding path program 1 times [2021-11-07 11:34:23,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:23,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031326526] [2021-11-07 11:34:23,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:23,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:23,550 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 11:34:23,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1129524464] [2021-11-07 11:34:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:23,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:23,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:34:23,553 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 11:34:23,582 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 11:34:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:24,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1989 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 11:34:24,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:34:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 11:34:24,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 11:34:24,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:24,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031326526] [2021-11-07 11:34:24,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 11:34:24,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129524464] [2021-11-07 11:34:24,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129524464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:34:24,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:34:24,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:34:24,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103333355] [2021-11-07 11:34:24,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:34:24,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:34:24,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:24,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:34:24,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:34:24,620 INFO L87 Difference]: Start difference. First operand 7119 states and 9063 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 11:34:26,651 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 11:34:27,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:34:27,585 INFO L93 Difference]: Finished difference Result 7119 states and 9063 transitions. [2021-11-07 11:34:27,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:34:27,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2021-11-07 11:34:27,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:34:27,606 INFO L225 Difference]: With dead ends: 7119 [2021-11-07 11:34:27,606 INFO L226 Difference]: Without dead ends: 6989 [2021-11-07 11:34:27,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.89ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:34:27,613 INFO L933 BasicCegarLoop]: 6135 mSDtfsCounter, 6174 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 64 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2417.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6174 SdHoareTripleChecker+Valid, 6135 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.31ms SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2617.20ms IncrementalHoareTripleChecker+Time [2021-11-07 11:34:27,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6174 Valid, 6135 Invalid, 131 Unknown, 0 Unchecked, 10.31ms Time], IncrementalHoareTripleChecker [64 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 2617.20ms Time] [2021-11-07 11:34:27,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6989 states. [2021-11-07 11:34:27,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6989 to 6989. [2021-11-07 11:34:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6989 states, 6653 states have (on average 1.295956711258079) internal successors, (8622), 6847 states have internal predecessors, (8622), 139 states have call successors, (139), 2 states have call predecessors, (139), 2 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2021-11-07 11:34:27,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6989 states to 6989 states and 8900 transitions. [2021-11-07 11:34:27,906 INFO L78 Accepts]: Start accepts. Automaton has 6989 states and 8900 transitions. Word has length 29 [2021-11-07 11:34:27,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:34:27,907 INFO L470 AbstractCegarLoop]: Abstraction has 6989 states and 8900 transitions. [2021-11-07 11:34:27,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 11:34:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 6989 states and 8900 transitions. [2021-11-07 11:34:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 11:34:27,909 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:27,909 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:34:27,941 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 11:34:28,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:28,131 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:28,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:28,132 INFO L85 PathProgramCache]: Analyzing trace with hash 401127933, now seen corresponding path program 1 times [2021-11-07 11:34:28,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:28,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100661599] [2021-11-07 11:34:28,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:28,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-07 11:34:28,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:28,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100661599] [2021-11-07 11:34:28,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100661599] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 11:34:28,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234850283] [2021-11-07 11:34:28,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:28,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:28,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:34:28,330 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 11:34:28,331 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 11:34:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:28,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 11:34:28,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:34:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 11:34:29,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:34:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 11:34:30,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234850283] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:34:30,060 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 11:34:30,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2021-11-07 11:34:30,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23949506] [2021-11-07 11:34:30,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 11:34:30,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 11:34:30,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:30,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 11:34:30,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-11-07 11:34:30,062 INFO L87 Difference]: Start difference. First operand 6989 states and 8900 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 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 11:34:32,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:34:32,847 INFO L93 Difference]: Finished difference Result 17637 states and 21833 transitions. [2021-11-07 11:34:32,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 11:34:32,848 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 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 32 [2021-11-07 11:34:32,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:34:32,903 INFO L225 Difference]: With dead ends: 17637 [2021-11-07 11:34:32,904 INFO L226 Difference]: Without dead ends: 13524 [2021-11-07 11:34:32,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 622.96ms TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2021-11-07 11:34:32,926 INFO L933 BasicCegarLoop]: 6970 mSDtfsCounter, 19929 mSDsluCounter, 33703 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2095.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20073 SdHoareTripleChecker+Valid, 40673 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.55ms SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2213.46ms IncrementalHoareTripleChecker+Time [2021-11-07 11:34:32,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20073 Valid, 40673 Invalid, 528 Unknown, 0 Unchecked, 47.55ms Time], IncrementalHoareTripleChecker [155 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 2213.46ms Time] [2021-11-07 11:34:32,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13524 states. [2021-11-07 11:34:33,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13524 to 11861. [2021-11-07 11:34:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11861 states, 11441 states have (on average 1.2883489205489032) internal successors, (14740), 11635 states have internal predecessors, (14740), 223 states have call successors, (223), 2 states have call predecessors, (223), 2 states have return successors, (223), 223 states have call predecessors, (223), 223 states have call successors, (223) [2021-11-07 11:34:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11861 states to 11861 states and 15186 transitions. [2021-11-07 11:34:33,252 INFO L78 Accepts]: Start accepts. Automaton has 11861 states and 15186 transitions. Word has length 32 [2021-11-07 11:34:33,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:34:33,253 INFO L470 AbstractCegarLoop]: Abstraction has 11861 states and 15186 transitions. [2021-11-07 11:34:33,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 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 11:34:33,254 INFO L276 IsEmpty]: Start isEmpty. Operand 11861 states and 15186 transitions. [2021-11-07 11:34:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 11:34:33,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:33,257 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] [2021-11-07 11:34:33,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 11:34:33,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:33,471 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:33,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:33,471 INFO L85 PathProgramCache]: Analyzing trace with hash 804314503, now seen corresponding path program 1 times [2021-11-07 11:34:33,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:33,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15913892] [2021-11-07 11:34:33,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:33,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:33,524 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 11:34:33,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001879908] [2021-11-07 11:34:33,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:33,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:33,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:34:33,526 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 11:34:33,527 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 11:34:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:34,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 2138 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 11:34:34,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:34:34,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:34:34,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:34:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:34:34,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:34,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15913892] [2021-11-07 11:34:34,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 11:34:34,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001879908] [2021-11-07 11:34:34,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001879908] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:34:34,813 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 11:34:34,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-07 11:34:34,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903672060] [2021-11-07 11:34:34,813 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-07 11:34:34,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 11:34:34,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:34,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 11:34:34,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 11:34:34,814 INFO L87 Difference]: Start difference. First operand 11861 states and 15186 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 11:34:36,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:34:39,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:34:41,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:34:43,552 WARN L515 Checker$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 11:34:45,559 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 11:34:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:34:45,698 INFO L93 Difference]: Finished difference Result 23746 states and 30416 transitions. [2021-11-07 11:34:45,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 11:34:45,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 43 [2021-11-07 11:34:45,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:34:45,882 INFO L225 Difference]: With dead ends: 23746 [2021-11-07 11:34:45,883 INFO L226 Difference]: Without dead ends: 11939 [2021-11-07 11:34:45,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 106.13ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 11:34:45,923 INFO L933 BasicCegarLoop]: 6195 mSDtfsCounter, 20 mSDsluCounter, 6186 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 27 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10550.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 12381 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.39ms SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10668.15ms IncrementalHoareTripleChecker+Time [2021-11-07 11:34:45,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 12381 Invalid, 62 Unknown, 0 Unchecked, 9.39ms Time], IncrementalHoareTripleChecker [27 Valid, 30 Invalid, 5 Unknown, 0 Unchecked, 10668.15ms Time] [2021-11-07 11:34:45,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11939 states. [2021-11-07 11:34:46,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11939 to 11939. [2021-11-07 11:34:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11939 states, 11519 states have (on average 1.286396388575397) internal successors, (14818), 11713 states have internal predecessors, (14818), 223 states have call successors, (223), 2 states have call predecessors, (223), 2 states have return successors, (223), 223 states have call predecessors, (223), 223 states have call successors, (223) [2021-11-07 11:34:46,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11939 states to 11939 states and 15264 transitions. [2021-11-07 11:34:46,259 INFO L78 Accepts]: Start accepts. Automaton has 11939 states and 15264 transitions. Word has length 43 [2021-11-07 11:34:46,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:34:46,260 INFO L470 AbstractCegarLoop]: Abstraction has 11939 states and 15264 transitions. [2021-11-07 11:34:46,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 11:34:46,260 INFO L276 IsEmpty]: Start isEmpty. Operand 11939 states and 15264 transitions. [2021-11-07 11:34:46,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 11:34:46,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:46,263 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:46,298 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 11:34:46,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:46,491 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:46,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:46,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1993629403, now seen corresponding path program 2 times [2021-11-07 11:34:46,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:46,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461383992] [2021-11-07 11:34:46,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:46,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:46,607 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 11:34:46,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225292129] [2021-11-07 11:34:46,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 11:34:46,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:46,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:34:46,612 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 11:34:46,613 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 11:34:47,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 11:34:47,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 11:34:47,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 2132 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 11:34:47,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:34:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 11:34:47,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 11:34:47,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:47,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461383992] [2021-11-07 11:34:47,907 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 11:34:47,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225292129] [2021-11-07 11:34:47,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225292129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:34:47,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:34:47,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 11:34:47,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458523759] [2021-11-07 11:34:47,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:34:47,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 11:34:47,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:47,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 11:34:47,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 11:34:47,910 INFO L87 Difference]: Start difference. First operand 11939 states and 15264 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 11:34:49,945 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 11:34:56,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:34:56,239 INFO L93 Difference]: Finished difference Result 13678 states and 18073 transitions. [2021-11-07 11:34:56,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 11:34:56,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 49 [2021-11-07 11:34:56,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:34:56,306 INFO L225 Difference]: With dead ends: 13678 [2021-11-07 11:34:56,306 INFO L226 Difference]: Without dead ends: 13290 [2021-11-07 11:34:56,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.07ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 11:34:56,320 INFO L933 BasicCegarLoop]: 5872 mSDtfsCounter, 6990 mSDsluCounter, 3132 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 554 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7578.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6990 SdHoareTripleChecker+Valid, 9004 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.44ms SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8026.04ms IncrementalHoareTripleChecker+Time [2021-11-07 11:34:56,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6990 Valid, 9004 Invalid, 1587 Unknown, 0 Unchecked, 32.44ms Time], IncrementalHoareTripleChecker [554 Valid, 1032 Invalid, 1 Unknown, 0 Unchecked, 8026.04ms Time] [2021-11-07 11:34:56,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13290 states. [2021-11-07 11:34:56,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13290 to 13288. [2021-11-07 11:34:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13288 states, 12913 states have (on average 1.2765430186633624) internal successors, (16484), 12839 states have internal predecessors, (16484), 269 states have call successors, (269), 4 states have call predecessors, (269), 4 states have return successors, (490), 444 states have call predecessors, (490), 269 states have call successors, (490) [2021-11-07 11:34:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13288 states to 13288 states and 17243 transitions. [2021-11-07 11:34:56,701 INFO L78 Accepts]: Start accepts. Automaton has 13288 states and 17243 transitions. Word has length 49 [2021-11-07 11:34:56,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:34:56,704 INFO L470 AbstractCegarLoop]: Abstraction has 13288 states and 17243 transitions. [2021-11-07 11:34:56,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 11:34:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 13288 states and 17243 transitions. [2021-11-07 11:34:56,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 11:34:56,708 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:34:56,708 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:34:56,744 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 11:34:56,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:34:56,919 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:34:56,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:34:56,920 INFO L85 PathProgramCache]: Analyzing trace with hash -385503713, now seen corresponding path program 2 times [2021-11-07 11:34:56,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:34:56,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565843700] [2021-11-07 11:34:56,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:34:56,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:34:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:34:57,140 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-07 11:34:57,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:34:57,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565843700] [2021-11-07 11:34:57,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565843700] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:34:57,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:34:57,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:34:57,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837293426] [2021-11-07 11:34:57,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:34:57,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:34:57,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:34:57,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:34:57,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:34:57,142 INFO L87 Difference]: Start difference. First operand 13288 states and 17243 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 11:34:59,182 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 11:35:03,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:35:03,302 INFO L93 Difference]: Finished difference Result 15068 states and 19730 transitions. [2021-11-07 11:35:03,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:35:03,303 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 60 [2021-11-07 11:35:03,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:35:03,355 INFO L225 Difference]: With dead ends: 15068 [2021-11-07 11:35:03,355 INFO L226 Difference]: Without dead ends: 15065 [2021-11-07 11:35:03,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.02ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:35:03,368 INFO L933 BasicCegarLoop]: 6177 mSDtfsCounter, 1375 mSDsluCounter, 5392 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5527.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 11569 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5873.39ms IncrementalHoareTripleChecker+Time [2021-11-07 11:35:03,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1375 Valid, 11569 Invalid, 695 Unknown, 0 Unchecked, 16.99ms Time], IncrementalHoareTripleChecker [0 Valid, 694 Invalid, 1 Unknown, 0 Unchecked, 5873.39ms Time] [2021-11-07 11:35:03,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15065 states. [2021-11-07 11:35:03,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15065 to 14878. [2021-11-07 11:35:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14878 states, 14498 states have (on average 1.291971306387088) internal successors, (18731), 14424 states have internal predecessors, (18731), 272 states have call successors, (272), 6 states have call predecessors, (272), 6 states have return successors, (496), 447 states have call predecessors, (496), 272 states have call successors, (496) [2021-11-07 11:35:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14878 states to 14878 states and 19499 transitions. [2021-11-07 11:35:03,801 INFO L78 Accepts]: Start accepts. Automaton has 14878 states and 19499 transitions. Word has length 60 [2021-11-07 11:35:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:35:03,802 INFO L470 AbstractCegarLoop]: Abstraction has 14878 states and 19499 transitions. [2021-11-07 11:35:03,802 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 11:35:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 14878 states and 19499 transitions. [2021-11-07 11:35:03,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-07 11:35:03,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:35:03,820 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:35:03,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 11:35:03,821 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:35:03,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:35:03,822 INFO L85 PathProgramCache]: Analyzing trace with hash 15239260, now seen corresponding path program 1 times [2021-11-07 11:35:03,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:35:03,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992927852] [2021-11-07 11:35:03,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:35:03,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:35:03,874 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 11:35:03,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696228558] [2021-11-07 11:35:03,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:35:03,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:35:03,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:35:03,880 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 11:35:03,903 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 11:35:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:35:04,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 2864 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 11:35:04,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:35:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 11:35:05,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:35:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 11:35:06,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:35:06,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992927852] [2021-11-07 11:35:06,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 11:35:06,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696228558] [2021-11-07 11:35:06,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696228558] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:35:06,606 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 11:35:06,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-11-07 11:35:06,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217360485] [2021-11-07 11:35:06,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-07 11:35:06,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 11:35:06,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:35:06,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 11:35:06,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-11-07 11:35:06,607 INFO L87 Difference]: Start difference. First operand 14878 states and 19499 transitions. Second operand has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-07 11:35:08,875 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 11:35:10,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:12,910 WARN L515 Checker$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 11:35:14,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:17,365 WARN L515 Checker$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 11:35:19,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:21,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:23,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:25,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:27,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:29,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:32,211 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:34,258 WARN L515 Checker$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 11:35:36,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:38,282 WARN L515 Checker$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 11:35:40,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:35:42,398 WARN L515 Checker$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 11:35:44,426 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 11:35:44,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:35:44,625 INFO L93 Difference]: Finished difference Result 29996 states and 39369 transitions. [2021-11-07 11:35:44,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 11:35:44,701 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 137 [2021-11-07 11:35:44,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:35:44,765 INFO L225 Difference]: With dead ends: 29996 [2021-11-07 11:35:44,765 INFO L226 Difference]: Without dead ends: 15178 [2021-11-07 11:35:44,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 454.40ms TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2021-11-07 11:35:44,812 INFO L933 BasicCegarLoop]: 6009 mSDtfsCounter, 46 mSDsluCounter, 30000 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 57 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36978.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 36009 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.83ms SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37595.87ms IncrementalHoareTripleChecker+Time [2021-11-07 11:35:44,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 36009 Invalid, 153 Unknown, 0 Unchecked, 16.83ms Time], IncrementalHoareTripleChecker [57 Valid, 78 Invalid, 18 Unknown, 0 Unchecked, 37595.87ms Time] [2021-11-07 11:35:44,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15178 states. [2021-11-07 11:35:45,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15178 to 15178. [2021-11-07 11:35:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15178 states, 14798 states have (on average 1.2860521692120557) internal successors, (19031), 14724 states have internal predecessors, (19031), 272 states have call successors, (272), 6 states have call predecessors, (272), 6 states have return successors, (496), 447 states have call predecessors, (496), 272 states have call successors, (496) [2021-11-07 11:35:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15178 states to 15178 states and 19799 transitions. [2021-11-07 11:35:45,258 INFO L78 Accepts]: Start accepts. Automaton has 15178 states and 19799 transitions. Word has length 137 [2021-11-07 11:35:45,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:35:45,259 INFO L470 AbstractCegarLoop]: Abstraction has 15178 states and 19799 transitions. [2021-11-07 11:35:45,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.0) internal successors, (180), 12 states have internal predecessors, (180), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-07 11:35:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 15178 states and 19799 transitions. [2021-11-07 11:35:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-07 11:35:45,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:35:45,284 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 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] [2021-11-07 11:35:45,318 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 11:35:45,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:35:45,499 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:35:45,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:35:45,500 INFO L85 PathProgramCache]: Analyzing trace with hash 2123825093, now seen corresponding path program 1 times [2021-11-07 11:35:45,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:35:45,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666656339] [2021-11-07 11:35:45,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:35:45,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:35:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:35:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-11-07 11:35:46,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:35:46,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666656339] [2021-11-07 11:35:46,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666656339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:35:46,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:35:46,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 11:35:46,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670831544] [2021-11-07 11:35:46,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:35:46,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 11:35:46,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:35:46,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 11:35:46,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 11:35:46,189 INFO L87 Difference]: Start difference. First operand 15178 states and 19799 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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 11:35:50,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:35:50,633 INFO L93 Difference]: Finished difference Result 33509 states and 43721 transitions. [2021-11-07 11:35:50,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 11:35:50,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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 112 [2021-11-07 11:35:50,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:35:50,717 INFO L225 Difference]: With dead ends: 33509 [2021-11-07 11:35:50,718 INFO L226 Difference]: Without dead ends: 27037 [2021-11-07 11:35:50,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1583.46ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-11-07 11:35:50,747 INFO L933 BasicCegarLoop]: 7405 mSDtfsCounter, 20470 mSDsluCounter, 29253 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2316.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20491 SdHoareTripleChecker+Valid, 36658 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 48.02ms SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2428.80ms IncrementalHoareTripleChecker+Time [2021-11-07 11:35:50,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20491 Valid, 36658 Invalid, 709 Unknown, 0 Unchecked, 48.02ms Time], IncrementalHoareTripleChecker [339 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 2428.80ms Time] [2021-11-07 11:35:50,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27037 states. [2021-11-07 11:35:51,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27037 to 15184. [2021-11-07 11:35:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15184 states, 14804 states have (on average 1.2859362334504187) internal successors, (19037), 14730 states have internal predecessors, (19037), 272 states have call successors, (272), 6 states have call predecessors, (272), 6 states have return successors, (496), 447 states have call predecessors, (496), 272 states have call successors, (496) [2021-11-07 11:35:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15184 states to 15184 states and 19805 transitions. [2021-11-07 11:35:51,370 INFO L78 Accepts]: Start accepts. Automaton has 15184 states and 19805 transitions. Word has length 112 [2021-11-07 11:35:51,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:35:51,371 INFO L470 AbstractCegarLoop]: Abstraction has 15184 states and 19805 transitions. [2021-11-07 11:35:51,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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 11:35:51,371 INFO L276 IsEmpty]: Start isEmpty. Operand 15184 states and 19805 transitions. [2021-11-07 11:35:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-07 11:35:51,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:35:51,390 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 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] [2021-11-07 11:35:51,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 11:35:51,390 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:35:51,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:35:51,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1737413117, now seen corresponding path program 1 times [2021-11-07 11:35:51,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:35:51,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122329118] [2021-11-07 11:35:51,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:35:51,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:35:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:35:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-11-07 11:35:51,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:35:51,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122329118] [2021-11-07 11:35:51,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122329118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:35:51,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:35:51,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:35:51,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502813403] [2021-11-07 11:35:51,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:35:51,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:35:51,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:35:51,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:35:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:35:51,557 INFO L87 Difference]: Start difference. First operand 15184 states and 19805 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 11:35:51,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:35:51,951 INFO L93 Difference]: Finished difference Result 21662 states and 28554 transitions. [2021-11-07 11:35:51,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:35:51,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 112 [2021-11-07 11:35:51,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:35:52,000 INFO L225 Difference]: With dead ends: 21662 [2021-11-07 11:35:52,001 INFO L226 Difference]: Without dead ends: 15184 [2021-11-07 11:35:52,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:35:52,030 INFO L933 BasicCegarLoop]: 6009 mSDtfsCounter, 0 mSDsluCounter, 6001 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12010 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.09ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.77ms IncrementalHoareTripleChecker+Time [2021-11-07 11:35:52,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12010 Invalid, 15 Unknown, 0 Unchecked, 8.09ms Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 62.77ms Time] [2021-11-07 11:35:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15184 states. [2021-11-07 11:35:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15184 to 15184. [2021-11-07 11:35:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15184 states, 14804 states have (on average 1.2855309375844366) internal successors, (19031), 14730 states have internal predecessors, (19031), 272 states have call successors, (272), 6 states have call predecessors, (272), 6 states have return successors, (496), 447 states have call predecessors, (496), 272 states have call successors, (496) [2021-11-07 11:35:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15184 states to 15184 states and 19799 transitions. [2021-11-07 11:35:52,532 INFO L78 Accepts]: Start accepts. Automaton has 15184 states and 19799 transitions. Word has length 112 [2021-11-07 11:35:52,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:35:52,533 INFO L470 AbstractCegarLoop]: Abstraction has 15184 states and 19799 transitions. [2021-11-07 11:35:52,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 11:35:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 15184 states and 19799 transitions. [2021-11-07 11:35:52,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-07 11:35:52,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:35:52,551 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 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] [2021-11-07 11:35:52,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 11:35:52,551 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:35:52,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:35:52,553 INFO L85 PathProgramCache]: Analyzing trace with hash 802067629, now seen corresponding path program 1 times [2021-11-07 11:35:52,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:35:52,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623776732] [2021-11-07 11:35:52,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:35:52,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:35:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:35:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 11:35:53,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:35:53,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623776732] [2021-11-07 11:35:53,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623776732] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 11:35:53,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659485154] [2021-11-07 11:35:53,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:35:53,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:35:53,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:35:53,640 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 11:35:53,667 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 11:35:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:35:54,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 2034 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 11:35:54,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:35:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 11:35:55,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:35:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 11:35:57,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659485154] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:35:57,514 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 11:35:57,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2021-11-07 11:35:57,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017433057] [2021-11-07 11:35:57,515 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 11:35:57,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 11:35:57,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:35:57,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 11:35:57,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2021-11-07 11:35:57,516 INFO L87 Difference]: Start difference. First operand 15184 states and 19799 transitions. Second operand has 25 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 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 11:36:04,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:36:04,693 INFO L93 Difference]: Finished difference Result 33096 states and 42385 transitions. [2021-11-07 11:36:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 11:36:04,694 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 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 112 [2021-11-07 11:36:04,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:36:04,781 INFO L225 Difference]: With dead ends: 33096 [2021-11-07 11:36:04,781 INFO L226 Difference]: Without dead ends: 26614 [2021-11-07 11:36:04,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1821.70ms TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2021-11-07 11:36:04,816 INFO L933 BasicCegarLoop]: 6885 mSDtfsCounter, 41920 mSDsluCounter, 36673 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4775.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 42184 SdHoareTripleChecker+Valid, 43558 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.72ms SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4975.35ms IncrementalHoareTripleChecker+Time [2021-11-07 11:36:04,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42184 Valid, 43558 Invalid, 1246 Unknown, 0 Unchecked, 57.72ms Time], IncrementalHoareTripleChecker [398 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 4975.35ms Time] [2021-11-07 11:36:04,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26614 states. [2021-11-07 11:36:05,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26614 to 25648. [2021-11-07 11:36:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25648 states, 25112 states have (on average 1.270587766804715) internal successors, (31907), 24906 states have internal predecessors, (31907), 428 states have call successors, (428), 6 states have call predecessors, (428), 6 states have return successors, (796), 735 states have call predecessors, (796), 428 states have call successors, (796) [2021-11-07 11:36:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25648 states to 25648 states and 33131 transitions. [2021-11-07 11:36:05,564 INFO L78 Accepts]: Start accepts. Automaton has 25648 states and 33131 transitions. Word has length 112 [2021-11-07 11:36:05,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:36:05,565 INFO L470 AbstractCegarLoop]: Abstraction has 25648 states and 33131 transitions. [2021-11-07 11:36:05,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.16) internal successors, (154), 25 states have internal predecessors, (154), 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 11:36:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 25648 states and 33131 transitions. [2021-11-07 11:36:05,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-07 11:36:05,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:36:05,587 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:36:05,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 11:36:05,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-07 11:36:05,804 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:36:05,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:36:05,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1524093723, now seen corresponding path program 1 times [2021-11-07 11:36:05,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:36:05,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138799164] [2021-11-07 11:36:05,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:36:05,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:36:05,861 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 11:36:05,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939006413] [2021-11-07 11:36:05,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:36:05,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:36:05,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:36:05,863 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 11:36:05,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 11:36:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:36:06,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 2904 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 11:36:06,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:36:08,160 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 11:36:08,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:36:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 11:36:10,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:36:10,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138799164] [2021-11-07 11:36:10,021 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 11:36:10,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939006413] [2021-11-07 11:36:10,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939006413] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:36:10,022 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 11:36:10,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-11-07 11:36:10,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913084975] [2021-11-07 11:36:10,022 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-07 11:36:10,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-07 11:36:10,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:36:10,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-07 11:36:10,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2021-11-07 11:36:10,024 INFO L87 Difference]: Start difference. First operand 25648 states and 33131 transitions. Second operand has 24 states, 24 states have (on average 8.333333333333334) internal successors, (200), 24 states have internal predecessors, (200), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-07 11:36:12,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:14,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:17,630 WARN L515 Checker$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 11:36:19,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:21,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:24,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:26,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:28,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:30,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:32,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:35,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:37,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:39,186 WARN L515 Checker$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 11:36:41,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:43,825 WARN L515 Checker$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 11:36:45,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:47,867 WARN L515 Checker$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 11:36:49,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:52,028 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:54,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:36:56,229 WARN L515 Checker$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 11:36:58,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:00,306 WARN L515 Checker$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 11:37:02,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:04,570 WARN L515 Checker$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 11:37:06,588 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 11:37:06,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:37:06,906 INFO L93 Difference]: Finished difference Result 52400 states and 67935 transitions. [2021-11-07 11:37:06,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 11:37:06,922 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.333333333333334) internal successors, (200), 24 states have internal predecessors, (200), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 145 [2021-11-07 11:37:06,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:37:06,997 INFO L225 Difference]: With dead ends: 52400 [2021-11-07 11:37:06,997 INFO L226 Difference]: Without dead ends: 26824 [2021-11-07 11:37:07,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1678.57ms TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2021-11-07 11:37:07,076 INFO L933 BasicCegarLoop]: 6006 mSDtfsCounter, 157 mSDsluCounter, 11994 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 166 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54589.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 18000 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.79ms SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56216.83ms IncrementalHoareTripleChecker+Time [2021-11-07 11:37:07,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 18000 Invalid, 333 Unknown, 0 Unchecked, 11.79ms Time], IncrementalHoareTripleChecker [166 Valid, 141 Invalid, 26 Unknown, 0 Unchecked, 56216.83ms Time] [2021-11-07 11:37:07,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26824 states. [2021-11-07 11:37:07,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26824 to 26824. [2021-11-07 11:37:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26824 states, 26288 states have (on average 1.2584829580036518) internal successors, (33083), 26082 states have internal predecessors, (33083), 428 states have call successors, (428), 6 states have call predecessors, (428), 6 states have return successors, (796), 735 states have call predecessors, (796), 428 states have call successors, (796) [2021-11-07 11:37:08,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26824 states to 26824 states and 34307 transitions. [2021-11-07 11:37:08,003 INFO L78 Accepts]: Start accepts. Automaton has 26824 states and 34307 transitions. Word has length 145 [2021-11-07 11:37:08,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:37:08,003 INFO L470 AbstractCegarLoop]: Abstraction has 26824 states and 34307 transitions. [2021-11-07 11:37:08,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.333333333333334) internal successors, (200), 24 states have internal predecessors, (200), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-07 11:37:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 26824 states and 34307 transitions. [2021-11-07 11:37:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-07 11:37:08,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:37:08,023 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:37:08,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 11:37:08,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-07 11:37:08,252 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:37:08,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:37:08,253 INFO L85 PathProgramCache]: Analyzing trace with hash -846839113, now seen corresponding path program 1 times [2021-11-07 11:37:08,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:37:08,253 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883938421] [2021-11-07 11:37:08,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:37:08,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:37:08,321 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 11:37:08,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010081914] [2021-11-07 11:37:08,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:37:08,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:37:08,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:37:08,323 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 11:37:08,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 11:37:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:37:09,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 2781 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-07 11:37:09,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:37:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 11:37:11,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:37:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 11:37:14,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:37:14,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883938421] [2021-11-07 11:37:14,217 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 11:37:14,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010081914] [2021-11-07 11:37:14,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010081914] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:37:14,217 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 11:37:14,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-11-07 11:37:14,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349138985] [2021-11-07 11:37:14,218 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-07 11:37:14,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-07 11:37:14,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:37:14,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-07 11:37:14,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 11:37:14,220 INFO L87 Difference]: Start difference. First operand 26824 states and 34307 transitions. Second operand has 34 states, 34 states have (on average 5.9411764705882355) internal successors, (202), 34 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-07 11:37:16,874 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:19,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:21,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:24,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:26,723 WARN L515 Checker$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 11:37:28,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:31,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:33,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:35,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:36,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:37:36,331 INFO L93 Difference]: Finished difference Result 54532 states and 69969 transitions. [2021-11-07 11:37:36,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 11:37:36,369 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.9411764705882355) internal successors, (202), 34 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 161 [2021-11-07 11:37:36,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:37:36,441 INFO L225 Difference]: With dead ends: 54532 [2021-11-07 11:37:36,441 INFO L226 Difference]: Without dead ends: 27804 [2021-11-07 11:37:36,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3269.17ms TimeCoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 11:37:36,496 INFO L933 BasicCegarLoop]: 6006 mSDtfsCounter, 256 mSDsluCounter, 23988 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 249 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20708.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 29994 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.20ms SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21190.74ms IncrementalHoareTripleChecker+Time [2021-11-07 11:37:36,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [256 Valid, 29994 Invalid, 465 Unknown, 0 Unchecked, 16.20ms Time], IncrementalHoareTripleChecker [249 Valid, 207 Invalid, 9 Unknown, 0 Unchecked, 21190.74ms Time] [2021-11-07 11:37:36,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27804 states. [2021-11-07 11:37:37,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27804 to 27804. [2021-11-07 11:37:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27804 states, 27268 states have (on average 1.249193193486871) internal successors, (34063), 27062 states have internal predecessors, (34063), 428 states have call successors, (428), 6 states have call predecessors, (428), 6 states have return successors, (796), 735 states have call predecessors, (796), 428 states have call successors, (796) [2021-11-07 11:37:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27804 states to 27804 states and 35287 transitions. [2021-11-07 11:37:37,334 INFO L78 Accepts]: Start accepts. Automaton has 27804 states and 35287 transitions. Word has length 161 [2021-11-07 11:37:37,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:37:37,335 INFO L470 AbstractCegarLoop]: Abstraction has 27804 states and 35287 transitions. [2021-11-07 11:37:37,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.9411764705882355) internal successors, (202), 34 states have internal predecessors, (202), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-07 11:37:37,335 INFO L276 IsEmpty]: Start isEmpty. Operand 27804 states and 35287 transitions. [2021-11-07 11:37:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-07 11:37:37,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:37:37,354 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:37:37,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 11:37:37,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-07 11:37:37,570 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:37:37,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:37:37,571 INFO L85 PathProgramCache]: Analyzing trace with hash -466504043, now seen corresponding path program 1 times [2021-11-07 11:37:37,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:37:37,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348222812] [2021-11-07 11:37:37,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:37:37,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:37:37,617 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 11:37:37,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [285006273] [2021-11-07 11:37:37,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:37:37,618 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:37:37,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:37:37,620 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 11:37:37,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 11:37:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:37:38,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 2796 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 11:37:38,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:37:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-11-07 11:37:40,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 11:37:40,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:37:40,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348222812] [2021-11-07 11:37:40,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 11:37:40,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285006273] [2021-11-07 11:37:40,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285006273] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:37:40,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:37:40,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 11:37:40,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446933345] [2021-11-07 11:37:40,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:37:40,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 11:37:40,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:37:40,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 11:37:40,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 11:37:40,498 INFO L87 Difference]: Start difference. First operand 27804 states and 35287 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-07 11:37:42,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:44,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:37:53,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:37:53,849 INFO L93 Difference]: Finished difference Result 27956 states and 35517 transitions. [2021-11-07 11:37:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 11:37:53,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 161 [2021-11-07 11:37:53,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:37:53,903 INFO L225 Difference]: With dead ends: 27956 [2021-11-07 11:37:53,903 INFO L226 Difference]: Without dead ends: 27754 [2021-11-07 11:37:53,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 298.53ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-07 11:37:53,914 INFO L933 BasicCegarLoop]: 5253 mSDtfsCounter, 9494 mSDsluCounter, 7271 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 843 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11569.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9494 SdHoareTripleChecker+Valid, 12524 SdHoareTripleChecker+Invalid, 2263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.61ms SdHoareTripleChecker+Time, 843 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12414.18ms IncrementalHoareTripleChecker+Time [2021-11-07 11:37:53,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9494 Valid, 12524 Invalid, 2263 Unknown, 0 Unchecked, 35.61ms Time], IncrementalHoareTripleChecker [843 Valid, 1418 Invalid, 2 Unknown, 0 Unchecked, 12414.18ms Time] [2021-11-07 11:37:53,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27754 states. [2021-11-07 11:37:54,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27754 to 25401. [2021-11-07 11:37:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25401 states, 25023 states have (on average 1.217839587579427) internal successors, (30474), 25023 states have internal predecessors, (30474), 371 states have call successors, (371), 6 states have call predecessors, (371), 6 states have return successors, (375), 371 states have call predecessors, (375), 371 states have call successors, (375) [2021-11-07 11:37:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25401 states to 25401 states and 31220 transitions. [2021-11-07 11:37:54,735 INFO L78 Accepts]: Start accepts. Automaton has 25401 states and 31220 transitions. Word has length 161 [2021-11-07 11:37:54,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:37:54,736 INFO L470 AbstractCegarLoop]: Abstraction has 25401 states and 31220 transitions. [2021-11-07 11:37:54,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-07 11:37:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 25401 states and 31220 transitions. [2021-11-07 11:37:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-07 11:37:54,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:37:54,747 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 2, 2, 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] [2021-11-07 11:37:54,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 11:37:54,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-07 11:37:54,948 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:37:54,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:37:54,949 INFO L85 PathProgramCache]: Analyzing trace with hash 840385109, now seen corresponding path program 2 times [2021-11-07 11:37:54,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:37:54,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545067277] [2021-11-07 11:37:54,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:37:54,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:37:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:37:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 11:37:57,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:37:57,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545067277] [2021-11-07 11:37:57,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545067277] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 11:37:57,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504256724] [2021-11-07 11:37:57,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 11:37:57,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:37:57,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:37:57,226 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 11:37:57,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 11:38:11,976 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 11:38:11,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 11:38:12,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 2142 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-07 11:38:12,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:38:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 11:38:13,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:38:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 11:38:16,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504256724] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:38:16,319 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 11:38:16,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 35 [2021-11-07 11:38:16,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612360686] [2021-11-07 11:38:16,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 11:38:16,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-07 11:38:16,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:38:16,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-07 11:38:16,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2021-11-07 11:38:16,321 INFO L87 Difference]: Start difference. First operand 25401 states and 31220 transitions. Second operand has 35 states, 35 states have (on average 5.6571428571428575) internal successors, (198), 35 states have internal predecessors, (198), 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 11:38:28,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:38:28,178 INFO L93 Difference]: Finished difference Result 40206 states and 49685 transitions. [2021-11-07 11:38:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 11:38:28,179 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 5.6571428571428575) internal successors, (198), 35 states have internal predecessors, (198), 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 160 [2021-11-07 11:38:28,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:38:28,254 INFO L225 Difference]: With dead ends: 40206 [2021-11-07 11:38:28,254 INFO L226 Difference]: Without dead ends: 34321 [2021-11-07 11:38:28,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 3242.50ms TimeCoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2021-11-07 11:38:28,280 INFO L933 BasicCegarLoop]: 6686 mSDtfsCounter, 81906 mSDsluCounter, 48373 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 992 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6203.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 82290 SdHoareTripleChecker+Valid, 55059 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 86.71ms SdHoareTripleChecker+Time, 992 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6507.95ms IncrementalHoareTripleChecker+Time [2021-11-07 11:38:28,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82290 Valid, 55059 Invalid, 2109 Unknown, 0 Unchecked, 86.71ms Time], IncrementalHoareTripleChecker [992 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 6507.95ms Time] [2021-11-07 11:38:28,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34321 states. [2021-11-07 11:38:28,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34321 to 34321. [2021-11-07 11:38:28,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34321 states, 33823 states have (on average 1.2117198356148182) internal successors, (40984), 33823 states have internal predecessors, (40984), 491 states have call successors, (491), 6 states have call predecessors, (491), 6 states have return successors, (495), 491 states have call predecessors, (495), 491 states have call successors, (495) [2021-11-07 11:38:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34321 states to 34321 states and 41970 transitions. [2021-11-07 11:38:29,027 INFO L78 Accepts]: Start accepts. Automaton has 34321 states and 41970 transitions. Word has length 160 [2021-11-07 11:38:29,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:38:29,027 INFO L470 AbstractCegarLoop]: Abstraction has 34321 states and 41970 transitions. [2021-11-07 11:38:29,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 5.6571428571428575) internal successors, (198), 35 states have internal predecessors, (198), 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 11:38:29,027 INFO L276 IsEmpty]: Start isEmpty. Operand 34321 states and 41970 transitions. [2021-11-07 11:38:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-07 11:38:29,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:38:29,157 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 2, 2, 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] [2021-11-07 11:38:29,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 11:38:29,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-07 11:38:29,384 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:38:29,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:38:29,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1488701025, now seen corresponding path program 3 times [2021-11-07 11:38:29,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:38:29,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868972885] [2021-11-07 11:38:29,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:38:29,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:38:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:38:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2024 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2018 trivial. 0 not checked. [2021-11-07 11:38:29,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:38:29,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868972885] [2021-11-07 11:38:29,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868972885] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 11:38:29,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810118212] [2021-11-07 11:38:29,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 11:38:29,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:38:29,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:38:29,713 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 11:38:29,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 11:38:44,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 11:38:44,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 11:38:45,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 1944 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 11:38:45,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:38:49,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2021-11-07 11:38:49,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 11:38:49,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810118212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:38:49,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 11:38:49,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-11-07 11:38:49,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46000726] [2021-11-07 11:38:49,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:38:49,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 11:38:49,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:38:49,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 11:38:49,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-07 11:38:49,646 INFO L87 Difference]: Start difference. First operand 34321 states and 41970 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 11:38:51,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:38:53,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:39:07,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:39:07,138 INFO L93 Difference]: Finished difference Result 63315 states and 77871 transitions. [2021-11-07 11:39:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 11:39:07,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 200 [2021-11-07 11:39:07,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:39:07,313 INFO L225 Difference]: With dead ends: 63315 [2021-11-07 11:39:07,314 INFO L226 Difference]: Without dead ends: 63312 [2021-11-07 11:39:07,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 214.97ms TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-07 11:39:07,345 INFO L933 BasicCegarLoop]: 7009 mSDtfsCounter, 5710 mSDsluCounter, 11857 mSDsCounter, 0 mSdLazyCounter, 2102 mSolverCounterSat, 257 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15100.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5710 SdHoareTripleChecker+Valid, 18866 SdHoareTripleChecker+Invalid, 2361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.80ms SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 2102 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16272.86ms IncrementalHoareTripleChecker+Time [2021-11-07 11:39:07,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5710 Valid, 18866 Invalid, 2361 Unknown, 0 Unchecked, 41.80ms Time], IncrementalHoareTripleChecker [257 Valid, 2102 Invalid, 2 Unknown, 0 Unchecked, 16272.86ms Time] [2021-11-07 11:39:07,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63312 states. [2021-11-07 11:39:09,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63312 to 58052. [2021-11-07 11:39:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58052 states, 57067 states have (on average 1.2079835982266458) internal successors, (68936), 57067 states have internal predecessors, (68936), 976 states have call successors, (976), 8 states have call predecessors, (976), 8 states have return successors, (1465), 976 states have call predecessors, (1465), 976 states have call successors, (1465) [2021-11-07 11:39:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58052 states to 58052 states and 71377 transitions. [2021-11-07 11:39:09,378 INFO L78 Accepts]: Start accepts. Automaton has 58052 states and 71377 transitions. Word has length 200 [2021-11-07 11:39:09,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:39:09,379 INFO L470 AbstractCegarLoop]: Abstraction has 58052 states and 71377 transitions. [2021-11-07 11:39:09,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 11:39:09,379 INFO L276 IsEmpty]: Start isEmpty. Operand 58052 states and 71377 transitions. [2021-11-07 11:39:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-07 11:39:09,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:39:09,459 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:39:09,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-07 11:39:09,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:39:09,660 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:39:09,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:39:09,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1541964647, now seen corresponding path program 1 times [2021-11-07 11:39:09,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:39:09,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151186146] [2021-11-07 11:39:09,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:39:09,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:39:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:39:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-07 11:39:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:39:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-07 11:39:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:39:10,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2024 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2018 trivial. 0 not checked. [2021-11-07 11:39:10,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:39:10,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151186146] [2021-11-07 11:39:10,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151186146] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 11:39:10,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962321994] [2021-11-07 11:39:10,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:39:10,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:39:10,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:39:10,396 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 11:39:10,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 11:39:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:39:11,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 2800 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 11:39:11,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:39:11,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2024 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2018 trivial. 0 not checked. [2021-11-07 11:39:11,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:39:12,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2024 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2018 trivial. 0 not checked. [2021-11-07 11:39:12,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962321994] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:39:12,374 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 11:39:12,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2021-11-07 11:39:12,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367121411] [2021-11-07 11:39:12,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 11:39:12,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 11:39:12,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:39:12,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 11:39:12,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-07 11:39:12,376 INFO L87 Difference]: Start difference. First operand 58052 states and 71377 transitions. Second operand has 10 states, 10 states have (on average 15.5) internal successors, (155), 9 states have internal predecessors, (155), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-07 11:39:14,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:39:17,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:39:19,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:39:27,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:39:29,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:39:31,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:39:33,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:39:36,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:39:46,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:39:46,626 INFO L93 Difference]: Finished difference Result 64304 states and 80051 transitions. [2021-11-07 11:39:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 11:39:46,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.5) internal successors, (155), 9 states have internal predecessors, (155), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 267 [2021-11-07 11:39:46,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:39:46,777 INFO L225 Difference]: With dead ends: 64304 [2021-11-07 11:39:46,777 INFO L226 Difference]: Without dead ends: 64301 [2021-11-07 11:39:46,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 407.51ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-11-07 11:39:46,800 INFO L933 BasicCegarLoop]: 6375 mSDtfsCounter, 9362 mSDsluCounter, 18777 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 236 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30532.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9434 SdHoareTripleChecker+Valid, 25152 SdHoareTripleChecker+Invalid, 2761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 67.14ms SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32450.05ms IncrementalHoareTripleChecker+Time [2021-11-07 11:39:46,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9434 Valid, 25152 Invalid, 2761 Unknown, 0 Unchecked, 67.14ms Time], IncrementalHoareTripleChecker [236 Valid, 2518 Invalid, 7 Unknown, 0 Unchecked, 32450.05ms Time] [2021-11-07 11:39:46,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64301 states. [2021-11-07 11:39:48,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64301 to 64158. [2021-11-07 11:39:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64158 states, 63075 states have (on average 1.2068489892984542) internal successors, (76122), 63077 states have internal predecessors, (76122), 1072 states have call successors, (1072), 8 states have call predecessors, (1072), 10 states have return successors, (2143), 1072 states have call predecessors, (2143), 1072 states have call successors, (2143) [2021-11-07 11:39:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64158 states to 64158 states and 79337 transitions. [2021-11-07 11:39:48,845 INFO L78 Accepts]: Start accepts. Automaton has 64158 states and 79337 transitions. Word has length 267 [2021-11-07 11:39:48,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:39:48,845 INFO L470 AbstractCegarLoop]: Abstraction has 64158 states and 79337 transitions. [2021-11-07 11:39:48,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.5) internal successors, (155), 9 states have internal predecessors, (155), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-07 11:39:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 64158 states and 79337 transitions. [2021-11-07 11:39:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-07 11:39:48,936 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:39:48,937 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:39:48,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 11:39:49,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:39:49,137 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:39:49,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:39:49,138 INFO L85 PathProgramCache]: Analyzing trace with hash -689214817, now seen corresponding path program 2 times [2021-11-07 11:39:49,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:39:49,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592428182] [2021-11-07 11:39:49,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:39:49,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:39:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:39:49,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-07 11:39:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:39:49,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-07 11:39:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:39:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2018 trivial. 0 not checked. [2021-11-07 11:39:49,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:39:49,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592428182] [2021-11-07 11:39:49,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592428182] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 11:39:49,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975638883] [2021-11-07 11:39:49,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 11:39:49,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:39:49,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:39:49,954 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 11:39:49,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 11:40:06,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 11:40:06,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 11:40:06,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 2836 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 11:40:06,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:40:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2018 trivial. 0 not checked. [2021-11-07 11:40:06,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 11:40:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2018 trivial. 0 not checked. [2021-11-07 11:40:07,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975638883] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 11:40:08,000 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 11:40:08,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2021-11-07 11:40:08,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663000604] [2021-11-07 11:40:08,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 11:40:08,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 11:40:08,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:40:08,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 11:40:08,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2021-11-07 11:40:08,001 INFO L87 Difference]: Start difference. First operand 64158 states and 79337 transitions. Second operand has 18 states, 18 states have (on average 10.38888888888889) internal successors, (187), 17 states have internal predecessors, (187), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-07 11:40:10,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:40:12,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:40:14,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:40:21,933 WARN L515 Checker$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 11:40:24,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:40:27,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:40:30,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:40:43,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:40:43,297 INFO L93 Difference]: Finished difference Result 76432 states and 94999 transitions. [2021-11-07 11:40:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 11:40:43,298 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 10.38888888888889) internal successors, (187), 17 states have internal predecessors, (187), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 283 [2021-11-07 11:40:43,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:40:43,461 INFO L225 Difference]: With dead ends: 76432 [2021-11-07 11:40:43,462 INFO L226 Difference]: Without dead ends: 76429 [2021-11-07 11:40:43,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1058.89ms TimeCoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2021-11-07 11:40:43,488 INFO L933 BasicCegarLoop]: 6509 mSDtfsCounter, 22365 mSDsluCounter, 41229 mSDsCounter, 0 mSdLazyCounter, 3092 mSolverCounterSat, 437 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30190.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22533 SdHoareTripleChecker+Valid, 47738 SdHoareTripleChecker+Invalid, 3534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 103.96ms SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 3092 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32560.97ms IncrementalHoareTripleChecker+Time [2021-11-07 11:40:43,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22533 Valid, 47738 Invalid, 3534 Unknown, 0 Unchecked, 103.96ms Time], IncrementalHoareTripleChecker [437 Valid, 3092 Invalid, 5 Unknown, 0 Unchecked, 32560.97ms Time] [2021-11-07 11:40:43,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76429 states. [2021-11-07 11:40:45,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76429 to 76286. [2021-11-07 11:40:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76286 states, 75011 states have (on average 1.2050765887669808) internal successors, (90394), 75013 states have internal predecessors, (90394), 1264 states have call successors, (1264), 8 states have call predecessors, (1264), 10 states have return successors, (2527), 1264 states have call predecessors, (2527), 1264 states have call successors, (2527) [2021-11-07 11:40:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76286 states to 76286 states and 94185 transitions. [2021-11-07 11:40:46,155 INFO L78 Accepts]: Start accepts. Automaton has 76286 states and 94185 transitions. Word has length 283 [2021-11-07 11:40:46,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:40:46,156 INFO L470 AbstractCegarLoop]: Abstraction has 76286 states and 94185 transitions. [2021-11-07 11:40:46,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.38888888888889) internal successors, (187), 17 states have internal predecessors, (187), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-07 11:40:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 76286 states and 94185 transitions. [2021-11-07 11:40:46,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-07 11:40:46,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:40:46,283 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 14, 14, 14, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:40:46,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-11-07 11:40:46,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:40:46,484 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION === [snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION, snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (and 258 more)] === [2021-11-07 11:40:46,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:40:46,484 INFO L85 PathProgramCache]: Analyzing trace with hash 524347663, now seen corresponding path program 3 times [2021-11-07 11:40:46,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:40:46,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273228249] [2021-11-07 11:40:46,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:40:46,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:40:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:40:48,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-07 11:40:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:40:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-07 11:40:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:40:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 2018 trivial. 0 not checked. [2021-11-07 11:40:48,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:40:48,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273228249] [2021-11-07 11:40:48,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273228249] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 11:40:48,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791911348] [2021-11-07 11:40:48,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 11:40:48,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 11:40:48,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:40:48,326 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 11:40:48,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 11:41:02,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 11:41:02,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 11:41:02,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 2512 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-07 11:41:02,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 11:41:10,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2396 trivial. 0 not checked. [2021-11-07 11:41:10,524 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 11:41:10,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791911348] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:41:10,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 11:41:10,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [18] total 22 [2021-11-07 11:41:10,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596208885] [2021-11-07 11:41:10,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:41:10,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 11:41:10,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:41:10,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 11:41:10,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=316, Unknown=0, NotChecked=0, Total=462 [2021-11-07 11:41:10,526 INFO L87 Difference]: Start difference. First operand 76286 states and 94185 transitions. Second operand has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-07 11:41:12,566 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 11:41:14,759 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:41:16,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:41:19,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:41:35,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:41:35,415 INFO L93 Difference]: Finished difference Result 76499 states and 94494 transitions. [2021-11-07 11:41:35,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 11:41:35,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 315 [2021-11-07 11:41:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:41:35,421 INFO L225 Difference]: With dead ends: 76499 [2021-11-07 11:41:35,421 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 11:41:35,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2102.84ms TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2021-11-07 11:41:35,555 INFO L933 BasicCegarLoop]: 5455 mSDtfsCounter, 6008 mSDsluCounter, 15776 mSDsCounter, 0 mSdLazyCounter, 2726 mSolverCounterSat, 470 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21124.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6008 SdHoareTripleChecker+Valid, 21231 SdHoareTripleChecker+Invalid, 3200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.05ms SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 2726 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22522.54ms IncrementalHoareTripleChecker+Time [2021-11-07 11:41:35,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6008 Valid, 21231 Invalid, 3200 Unknown, 0 Unchecked, 49.05ms Time], IncrementalHoareTripleChecker [470 Valid, 2726 Invalid, 4 Unknown, 0 Unchecked, 22522.54ms Time] [2021-11-07 11:41:35,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 11:41:35,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 11:41:35,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 11:41:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 11:41:35,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 315 [2021-11-07 11:41:35,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:41:35,558 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 11:41:35,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-07 11:41:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 11:41:35,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 11:41:35,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location snd_mixer_oss_get_recsrc2Err0ASSERT_VIOLATIONERROR_FUNCTION (259 of 260 remaining) [2021-11-07 11:41:35,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location snd_mixer_oss_get_recsrc2Err1ASSERT_VIOLATIONERROR_FUNCTION (258 of 260 remaining) [2021-11-07 11:41:35,561 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (257 of 260 remaining) [2021-11-07 11:41:35,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (256 of 260 remaining) [2021-11-07 11:41:35,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (255 of 260 remaining) [2021-11-07 11:41:35,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (254 of 260 remaining) [2021-11-07 11:41:35,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (253 of 260 remaining) [2021-11-07 11:41:35,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (252 of 260 remaining) [2021-11-07 11:41:35,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (251 of 260 remaining) [2021-11-07 11:41:35,562 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (250 of 260 remaining) [2021-11-07 11:41:35,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (249 of 260 remaining) [2021-11-07 11:41:35,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (248 of 260 remaining) [2021-11-07 11:41:35,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (247 of 260 remaining) [2021-11-07 11:41:35,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (246 of 260 remaining) [2021-11-07 11:41:35,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (245 of 260 remaining) [2021-11-07 11:41:35,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (244 of 260 remaining) [2021-11-07 11:41:35,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (243 of 260 remaining) [2021-11-07 11:41:35,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (242 of 260 remaining) [2021-11-07 11:41:35,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (241 of 260 remaining) [2021-11-07 11:41:35,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (240 of 260 remaining) [2021-11-07 11:41:35,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (239 of 260 remaining) [2021-11-07 11:41:35,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (238 of 260 remaining) [2021-11-07 11:41:35,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (237 of 260 remaining) [2021-11-07 11:41:35,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (236 of 260 remaining) [2021-11-07 11:41:35,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (235 of 260 remaining) [2021-11-07 11:41:35,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (234 of 260 remaining) [2021-11-07 11:41:35,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (233 of 260 remaining) [2021-11-07 11:41:35,565 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (232 of 260 remaining) [2021-11-07 11:41:35,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (231 of 260 remaining) [2021-11-07 11:41:35,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (230 of 260 remaining) [2021-11-07 11:41:35,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (229 of 260 remaining) [2021-11-07 11:41:35,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (228 of 260 remaining) [2021-11-07 11:41:35,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (227 of 260 remaining) [2021-11-07 11:41:35,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (226 of 260 remaining) [2021-11-07 11:41:35,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (225 of 260 remaining) [2021-11-07 11:41:35,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (224 of 260 remaining) [2021-11-07 11:41:35,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (223 of 260 remaining) [2021-11-07 11:41:35,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (222 of 260 remaining) [2021-11-07 11:41:35,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (221 of 260 remaining) [2021-11-07 11:41:35,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (220 of 260 remaining) [2021-11-07 11:41:35,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (219 of 260 remaining) [2021-11-07 11:41:35,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (218 of 260 remaining) [2021-11-07 11:41:35,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (217 of 260 remaining) [2021-11-07 11:41:35,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION (216 of 260 remaining) [2021-11-07 11:41:35,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION (215 of 260 remaining) [2021-11-07 11:41:35,568 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION (214 of 260 remaining) [2021-11-07 11:41:35,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION (213 of 260 remaining) [2021-11-07 11:41:35,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION (212 of 260 remaining) [2021-11-07 11:41:35,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION (211 of 260 remaining) [2021-11-07 11:41:35,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION (210 of 260 remaining) [2021-11-07 11:41:35,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION (209 of 260 remaining) [2021-11-07 11:41:35,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION (208 of 260 remaining) [2021-11-07 11:41:35,569 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION (207 of 260 remaining) [2021-11-07 11:41:35,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION (206 of 260 remaining) [2021-11-07 11:41:35,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION (205 of 260 remaining) [2021-11-07 11:41:35,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION (204 of 260 remaining) [2021-11-07 11:41:35,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION (203 of 260 remaining) [2021-11-07 11:41:35,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION (202 of 260 remaining) [2021-11-07 11:41:35,570 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION (201 of 260 remaining) [2021-11-07 11:41:35,571 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION (200 of 260 remaining) [2021-11-07 11:41:35,571 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION (199 of 260 remaining) [2021-11-07 11:41:35,571 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION (198 of 260 remaining) [2021-11-07 11:41:35,571 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION (197 of 260 remaining) [2021-11-07 11:41:35,571 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION (196 of 260 remaining) [2021-11-07 11:41:35,571 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION (195 of 260 remaining) [2021-11-07 11:41:35,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION (194 of 260 remaining) [2021-11-07 11:41:35,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION (193 of 260 remaining) [2021-11-07 11:41:35,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION (192 of 260 remaining) [2021-11-07 11:41:35,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION (191 of 260 remaining) [2021-11-07 11:41:35,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION (190 of 260 remaining) [2021-11-07 11:41:35,572 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION (189 of 260 remaining) [2021-11-07 11:41:35,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION (188 of 260 remaining) [2021-11-07 11:41:35,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION (187 of 260 remaining) [2021-11-07 11:41:35,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION (186 of 260 remaining) [2021-11-07 11:41:35,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION (185 of 260 remaining) [2021-11-07 11:41:35,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION (184 of 260 remaining) [2021-11-07 11:41:35,573 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION (183 of 260 remaining) [2021-11-07 11:41:35,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION (182 of 260 remaining) [2021-11-07 11:41:35,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION (181 of 260 remaining) [2021-11-07 11:41:35,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION (180 of 260 remaining) [2021-11-07 11:41:35,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION (179 of 260 remaining) [2021-11-07 11:41:35,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION (178 of 260 remaining) [2021-11-07 11:41:35,574 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION (177 of 260 remaining) [2021-11-07 11:41:35,575 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION (176 of 260 remaining) [2021-11-07 11:41:35,575 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION (175 of 260 remaining) [2021-11-07 11:41:35,575 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION (174 of 260 remaining) [2021-11-07 11:41:35,575 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION (173 of 260 remaining) [2021-11-07 11:41:35,575 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION (172 of 260 remaining) [2021-11-07 11:41:35,575 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION (171 of 260 remaining) [2021-11-07 11:41:35,575 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION (170 of 260 remaining) [2021-11-07 11:41:35,576 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION (169 of 260 remaining) [2021-11-07 11:41:35,576 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION (168 of 260 remaining) [2021-11-07 11:41:35,576 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION (167 of 260 remaining) [2021-11-07 11:41:35,576 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION (166 of 260 remaining) [2021-11-07 11:41:35,576 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION (165 of 260 remaining) [2021-11-07 11:41:35,576 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION (164 of 260 remaining) [2021-11-07 11:41:35,577 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION (163 of 260 remaining) [2021-11-07 11:41:35,577 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION (162 of 260 remaining) [2021-11-07 11:41:35,577 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION (161 of 260 remaining) [2021-11-07 11:41:35,577 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION (160 of 260 remaining) [2021-11-07 11:41:35,577 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION (159 of 260 remaining) [2021-11-07 11:41:35,577 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr99ASSERT_VIOLATIONERROR_FUNCTION (158 of 260 remaining) [2021-11-07 11:41:35,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION (157 of 260 remaining) [2021-11-07 11:41:35,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION (156 of 260 remaining) [2021-11-07 11:41:35,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION (155 of 260 remaining) [2021-11-07 11:41:35,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr103ASSERT_VIOLATIONERROR_FUNCTION (154 of 260 remaining) [2021-11-07 11:41:35,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr104ASSERT_VIOLATIONERROR_FUNCTION (153 of 260 remaining) [2021-11-07 11:41:35,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr105ASSERT_VIOLATIONERROR_FUNCTION (152 of 260 remaining) [2021-11-07 11:41:35,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr106ASSERT_VIOLATIONERROR_FUNCTION (151 of 260 remaining) [2021-11-07 11:41:35,579 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION (150 of 260 remaining) [2021-11-07 11:41:35,579 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr108ASSERT_VIOLATIONERROR_FUNCTION (149 of 260 remaining) [2021-11-07 11:41:35,579 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr109ASSERT_VIOLATIONERROR_FUNCTION (148 of 260 remaining) [2021-11-07 11:41:35,579 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr110ASSERT_VIOLATIONERROR_FUNCTION (147 of 260 remaining) [2021-11-07 11:41:35,579 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr111ASSERT_VIOLATIONERROR_FUNCTION (146 of 260 remaining) [2021-11-07 11:41:35,579 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr112ASSERT_VIOLATIONERROR_FUNCTION (145 of 260 remaining) [2021-11-07 11:41:35,580 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr113ASSERT_VIOLATIONERROR_FUNCTION (144 of 260 remaining) [2021-11-07 11:41:35,580 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr114ASSERT_VIOLATIONERROR_FUNCTION (143 of 260 remaining) [2021-11-07 11:41:35,580 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr115ASSERT_VIOLATIONERROR_FUNCTION (142 of 260 remaining) [2021-11-07 11:41:35,580 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr116ASSERT_VIOLATIONERROR_FUNCTION (141 of 260 remaining) [2021-11-07 11:41:35,580 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr117ASSERT_VIOLATIONERROR_FUNCTION (140 of 260 remaining) [2021-11-07 11:41:35,580 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr118ASSERT_VIOLATIONERROR_FUNCTION (139 of 260 remaining) [2021-11-07 11:41:35,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr119ASSERT_VIOLATIONERROR_FUNCTION (138 of 260 remaining) [2021-11-07 11:41:35,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr120ASSERT_VIOLATIONERROR_FUNCTION (137 of 260 remaining) [2021-11-07 11:41:35,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr121ASSERT_VIOLATIONERROR_FUNCTION (136 of 260 remaining) [2021-11-07 11:41:35,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr122ASSERT_VIOLATIONERROR_FUNCTION (135 of 260 remaining) [2021-11-07 11:41:35,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr123ASSERT_VIOLATIONERROR_FUNCTION (134 of 260 remaining) [2021-11-07 11:41:35,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr124ASSERT_VIOLATIONERROR_FUNCTION (133 of 260 remaining) [2021-11-07 11:41:35,581 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr125ASSERT_VIOLATIONERROR_FUNCTION (132 of 260 remaining) [2021-11-07 11:41:35,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr126ASSERT_VIOLATIONERROR_FUNCTION (131 of 260 remaining) [2021-11-07 11:41:35,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr127ASSERT_VIOLATIONERROR_FUNCTION (130 of 260 remaining) [2021-11-07 11:41:35,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr128ASSERT_VIOLATIONERROR_FUNCTION (129 of 260 remaining) [2021-11-07 11:41:35,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr129ASSERT_VIOLATIONERROR_FUNCTION (128 of 260 remaining) [2021-11-07 11:41:35,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr130ASSERT_VIOLATIONERROR_FUNCTION (127 of 260 remaining) [2021-11-07 11:41:35,582 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr131ASSERT_VIOLATIONERROR_FUNCTION (126 of 260 remaining) [2021-11-07 11:41:35,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr132ASSERT_VIOLATIONERROR_FUNCTION (125 of 260 remaining) [2021-11-07 11:41:35,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr133ASSERT_VIOLATIONERROR_FUNCTION (124 of 260 remaining) [2021-11-07 11:41:35,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr134ASSERT_VIOLATIONERROR_FUNCTION (123 of 260 remaining) [2021-11-07 11:41:35,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr135ASSERT_VIOLATIONERROR_FUNCTION (122 of 260 remaining) [2021-11-07 11:41:35,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr136ASSERT_VIOLATIONERROR_FUNCTION (121 of 260 remaining) [2021-11-07 11:41:35,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr137ASSERT_VIOLATIONERROR_FUNCTION (120 of 260 remaining) [2021-11-07 11:41:35,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr138ASSERT_VIOLATIONERROR_FUNCTION (119 of 260 remaining) [2021-11-07 11:41:35,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr139ASSERT_VIOLATIONERROR_FUNCTION (118 of 260 remaining) [2021-11-07 11:41:35,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr140ASSERT_VIOLATIONERROR_FUNCTION (117 of 260 remaining) [2021-11-07 11:41:35,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr141ASSERT_VIOLATIONERROR_FUNCTION (116 of 260 remaining) [2021-11-07 11:41:35,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr142ASSERT_VIOLATIONERROR_FUNCTION (115 of 260 remaining) [2021-11-07 11:41:35,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr143ASSERT_VIOLATIONERROR_FUNCTION (114 of 260 remaining) [2021-11-07 11:41:35,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr144ASSERT_VIOLATIONERROR_FUNCTION (113 of 260 remaining) [2021-11-07 11:41:35,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr145ASSERT_VIOLATIONERROR_FUNCTION (112 of 260 remaining) [2021-11-07 11:41:35,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr146ASSERT_VIOLATIONERROR_FUNCTION (111 of 260 remaining) [2021-11-07 11:41:35,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr147ASSERT_VIOLATIONERROR_FUNCTION (110 of 260 remaining) [2021-11-07 11:41:35,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr148ASSERT_VIOLATIONERROR_FUNCTION (109 of 260 remaining) [2021-11-07 11:41:35,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr149ASSERT_VIOLATIONERROR_FUNCTION (108 of 260 remaining) [2021-11-07 11:41:35,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr150ASSERT_VIOLATIONERROR_FUNCTION (107 of 260 remaining) [2021-11-07 11:41:35,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr151ASSERT_VIOLATIONERROR_FUNCTION (106 of 260 remaining) [2021-11-07 11:41:35,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr152ASSERT_VIOLATIONERROR_FUNCTION (105 of 260 remaining) [2021-11-07 11:41:35,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr153ASSERT_VIOLATIONERROR_FUNCTION (104 of 260 remaining) [2021-11-07 11:41:35,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr154ASSERT_VIOLATIONERROR_FUNCTION (103 of 260 remaining) [2021-11-07 11:41:35,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr155ASSERT_VIOLATIONERROR_FUNCTION (102 of 260 remaining) [2021-11-07 11:41:35,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr156ASSERT_VIOLATIONERROR_FUNCTION (101 of 260 remaining) [2021-11-07 11:41:35,587 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr157ASSERT_VIOLATIONERROR_FUNCTION (100 of 260 remaining) [2021-11-07 11:41:35,587 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr158ASSERT_VIOLATIONERROR_FUNCTION (99 of 260 remaining) [2021-11-07 11:41:35,587 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr159ASSERT_VIOLATIONERROR_FUNCTION (98 of 260 remaining) [2021-11-07 11:41:35,587 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr160ASSERT_VIOLATIONERROR_FUNCTION (97 of 260 remaining) [2021-11-07 11:41:35,587 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr161ASSERT_VIOLATIONERROR_FUNCTION (96 of 260 remaining) [2021-11-07 11:41:35,587 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr162ASSERT_VIOLATIONERROR_FUNCTION (95 of 260 remaining) [2021-11-07 11:41:35,716 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr163ASSERT_VIOLATIONERROR_FUNCTION (94 of 260 remaining) [2021-11-07 11:41:35,716 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONERROR_FUNCTION (93 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr165ASSERT_VIOLATIONERROR_FUNCTION (92 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr166ASSERT_VIOLATIONERROR_FUNCTION (91 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr167ASSERT_VIOLATIONERROR_FUNCTION (90 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr168ASSERT_VIOLATIONERROR_FUNCTION (89 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr169ASSERT_VIOLATIONERROR_FUNCTION (88 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr170ASSERT_VIOLATIONERROR_FUNCTION (87 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr171ASSERT_VIOLATIONERROR_FUNCTION (86 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr172ASSERT_VIOLATIONERROR_FUNCTION (85 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr173ASSERT_VIOLATIONERROR_FUNCTION (84 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr174ASSERT_VIOLATIONERROR_FUNCTION (83 of 260 remaining) [2021-11-07 11:41:35,717 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr175ASSERT_VIOLATIONERROR_FUNCTION (82 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr176ASSERT_VIOLATIONERROR_FUNCTION (81 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr177ASSERT_VIOLATIONERROR_FUNCTION (80 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr178ASSERT_VIOLATIONERROR_FUNCTION (79 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr179ASSERT_VIOLATIONERROR_FUNCTION (78 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr180ASSERT_VIOLATIONERROR_FUNCTION (77 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr181ASSERT_VIOLATIONERROR_FUNCTION (76 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr182ASSERT_VIOLATIONERROR_FUNCTION (75 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr183ASSERT_VIOLATIONERROR_FUNCTION (74 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr184ASSERT_VIOLATIONERROR_FUNCTION (73 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr185ASSERT_VIOLATIONERROR_FUNCTION (72 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr186ASSERT_VIOLATIONERROR_FUNCTION (71 of 260 remaining) [2021-11-07 11:41:35,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr187ASSERT_VIOLATIONERROR_FUNCTION (70 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr188ASSERT_VIOLATIONERROR_FUNCTION (69 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr189ASSERT_VIOLATIONERROR_FUNCTION (68 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr190ASSERT_VIOLATIONERROR_FUNCTION (67 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr191ASSERT_VIOLATIONERROR_FUNCTION (66 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr192ASSERT_VIOLATIONERROR_FUNCTION (65 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr193ASSERT_VIOLATIONERROR_FUNCTION (64 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr194ASSERT_VIOLATIONERROR_FUNCTION (63 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr195ASSERT_VIOLATIONERROR_FUNCTION (62 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr196ASSERT_VIOLATIONERROR_FUNCTION (61 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr197ASSERT_VIOLATIONERROR_FUNCTION (60 of 260 remaining) [2021-11-07 11:41:35,719 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr198ASSERT_VIOLATIONERROR_FUNCTION (59 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr199ASSERT_VIOLATIONERROR_FUNCTION (58 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr200ASSERT_VIOLATIONERROR_FUNCTION (57 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr201ASSERT_VIOLATIONERROR_FUNCTION (56 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr202ASSERT_VIOLATIONERROR_FUNCTION (55 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr203ASSERT_VIOLATIONERROR_FUNCTION (54 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr204ASSERT_VIOLATIONERROR_FUNCTION (53 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr205ASSERT_VIOLATIONERROR_FUNCTION (52 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION (51 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr207ASSERT_VIOLATIONERROR_FUNCTION (50 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr208ASSERT_VIOLATIONERROR_FUNCTION (49 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr209ASSERT_VIOLATIONERROR_FUNCTION (48 of 260 remaining) [2021-11-07 11:41:35,720 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr210ASSERT_VIOLATIONERROR_FUNCTION (47 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr211ASSERT_VIOLATIONERROR_FUNCTION (46 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr212ASSERT_VIOLATIONERROR_FUNCTION (45 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr213ASSERT_VIOLATIONERROR_FUNCTION (44 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr214ASSERT_VIOLATIONERROR_FUNCTION (43 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr215ASSERT_VIOLATIONERROR_FUNCTION (42 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr216ASSERT_VIOLATIONERROR_FUNCTION (41 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr217ASSERT_VIOLATIONERROR_FUNCTION (40 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr218ASSERT_VIOLATIONERROR_FUNCTION (39 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr219ASSERT_VIOLATIONERROR_FUNCTION (38 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr220ASSERT_VIOLATIONERROR_FUNCTION (37 of 260 remaining) [2021-11-07 11:41:35,721 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr221ASSERT_VIOLATIONERROR_FUNCTION (36 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr222ASSERT_VIOLATIONERROR_FUNCTION (35 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr223ASSERT_VIOLATIONERROR_FUNCTION (34 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr224ASSERT_VIOLATIONERROR_FUNCTION (33 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr225ASSERT_VIOLATIONERROR_FUNCTION (32 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr226ASSERT_VIOLATIONERROR_FUNCTION (31 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr227ASSERT_VIOLATIONERROR_FUNCTION (30 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr228ASSERT_VIOLATIONERROR_FUNCTION (29 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr229ASSERT_VIOLATIONERROR_FUNCTION (28 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr230ASSERT_VIOLATIONERROR_FUNCTION (27 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr231ASSERT_VIOLATIONERROR_FUNCTION (26 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr232ASSERT_VIOLATIONERROR_FUNCTION (25 of 260 remaining) [2021-11-07 11:41:35,722 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr233ASSERT_VIOLATIONERROR_FUNCTION (24 of 260 remaining) [2021-11-07 11:41:35,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr234ASSERT_VIOLATIONERROR_FUNCTION (23 of 260 remaining) [2021-11-07 11:41:35,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr235ASSERT_VIOLATIONERROR_FUNCTION (22 of 260 remaining) [2021-11-07 11:41:35,723 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr236ASSERT_VIOLATIONERROR_FUNCTION (21 of 260 remaining) [2021-11-07 11:41:35,726 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr237ASSERT_VIOLATIONERROR_FUNCTION (20 of 260 remaining) [2021-11-07 11:41:35,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr238ASSERT_VIOLATIONERROR_FUNCTION (19 of 260 remaining) [2021-11-07 11:41:35,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr239ASSERT_VIOLATIONERROR_FUNCTION (18 of 260 remaining) [2021-11-07 11:41:35,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr240ASSERT_VIOLATIONERROR_FUNCTION (17 of 260 remaining) [2021-11-07 11:41:35,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr241ASSERT_VIOLATIONERROR_FUNCTION (16 of 260 remaining) [2021-11-07 11:41:35,727 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr242ASSERT_VIOLATIONERROR_FUNCTION (15 of 260 remaining) [2021-11-07 11:41:35,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr243ASSERT_VIOLATIONERROR_FUNCTION (14 of 260 remaining) [2021-11-07 11:41:35,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr244ASSERT_VIOLATIONERROR_FUNCTION (13 of 260 remaining) [2021-11-07 11:41:35,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr245ASSERT_VIOLATIONERROR_FUNCTION (12 of 260 remaining) [2021-11-07 11:41:35,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr246ASSERT_VIOLATIONERROR_FUNCTION (11 of 260 remaining) [2021-11-07 11:41:35,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr247ASSERT_VIOLATIONERROR_FUNCTION (10 of 260 remaining) [2021-11-07 11:41:35,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr248ASSERT_VIOLATIONERROR_FUNCTION (9 of 260 remaining) [2021-11-07 11:41:35,728 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr249ASSERT_VIOLATIONERROR_FUNCTION (8 of 260 remaining) [2021-11-07 11:41:35,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr250ASSERT_VIOLATIONERROR_FUNCTION (7 of 260 remaining) [2021-11-07 11:41:35,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr251ASSERT_VIOLATIONERROR_FUNCTION (6 of 260 remaining) [2021-11-07 11:41:35,729 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr252ASSERT_VIOLATIONERROR_FUNCTION (5 of 260 remaining) [2021-11-07 11:41:35,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr253ASSERT_VIOLATIONERROR_FUNCTION (4 of 260 remaining) [2021-11-07 11:41:35,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr254ASSERT_VIOLATIONERROR_FUNCTION (3 of 260 remaining) [2021-11-07 11:41:35,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr255ASSERT_VIOLATIONERROR_FUNCTION (2 of 260 remaining) [2021-11-07 11:41:35,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr256ASSERT_VIOLATIONERROR_FUNCTION (1 of 260 remaining) [2021-11-07 11:41:35,731 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr257ASSERT_VIOLATIONERROR_FUNCTION (0 of 260 remaining) [2021-11-07 11:41:35,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-11-07 11:41:35,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-07 11:41:35,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 11:42:21,555 WARN L227 SmtUtils]: Spent 21.02s on a formula simplification. DAG size of input: 1137 DAG size of output: 1127 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) Killed by 15