./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--renesas--sh_eth.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--renesas--sh_eth.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ba89c3eceb6ce3b33f7045e58fd9531469c7ed109a8240b2f15aad930b1478d --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:34:19,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:34:19,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:34:19,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:34:19,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:34:19,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:34:19,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:34:19,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:34:19,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:34:19,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:34:19,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:34:19,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:34:19,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:34:19,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:34:19,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:34:19,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:34:19,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:34:19,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:34:19,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:34:19,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:34:19,213 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:34:19,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:34:19,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:34:19,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:34:19,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:34:19,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:34:19,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:34:19,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:34:19,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:34:19,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:34:19,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:34:19,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:34:19,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:34:19,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:34:19,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:34:19,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:34:19,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:34:19,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:34:19,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:34:19,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:34:19,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:34:19,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:34:19,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:34:19,258 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:34:19,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:34:19,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:34:19,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:34:19,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:34:19,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:34:19,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:34:19,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:34:19,261 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:34:19,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:34:19,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:34:19,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:34:19,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:34:19,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:34:19,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:34:19,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:34:19,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:34:19,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:34:19,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:34:19,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:34:19,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:34:19,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:34:19,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:34:19,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:34:19,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:34:19,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:34:19,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:34:19,266 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:34:19,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:34:19,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:34:19,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba89c3eceb6ce3b33f7045e58fd9531469c7ed109a8240b2f15aad930b1478d [2022-07-12 12:34:19,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:34:19,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:34:19,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:34:19,507 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:34:19,507 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:34:19,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--renesas--sh_eth.ko-entry_point.cil.out.i [2022-07-12 12:34:19,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3744fce0/4852f579f30c49629388cd99a9f42ffe/FLAGeee8fc61f [2022-07-12 12:34:20,341 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:34:20,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--renesas--sh_eth.ko-entry_point.cil.out.i [2022-07-12 12:34:20,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3744fce0/4852f579f30c49629388cd99a9f42ffe/FLAGeee8fc61f [2022-07-12 12:34:20,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3744fce0/4852f579f30c49629388cd99a9f42ffe [2022-07-12 12:34:20,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:34:20,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:34:20,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:34:20,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:34:20,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:34:20,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:34:20" (1/1) ... [2022-07-12 12:34:20,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ead7ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:20, skipping insertion in model container [2022-07-12 12:34:20,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:34:20" (1/1) ... [2022-07-12 12:34:20,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:34:21,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:34:22,110 WARN L230 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--renesas--sh_eth.ko-entry_point.cil.out.i[170192,170205] [2022-07-12 12:34:23,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:34:23,411 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:34:23,541 WARN L230 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-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--renesas--sh_eth.ko-entry_point.cil.out.i[170192,170205] [2022-07-12 12:34:23,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:34:24,073 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:34:24,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24 WrapperNode [2022-07-12 12:34:24,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:34:24,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:34:24,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:34:24,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:34:24,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,433 INFO L137 Inliner]: procedures = 347, calls = 3095, calls flagged for inlining = 175, calls inlined = 164, statements flattened = 6637 [2022-07-12 12:34:24,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:34:24,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:34:24,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:34:24,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:34:24,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:34:24,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:34:24,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:34:24,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:34:24,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (1/1) ... [2022-07-12 12:34:24,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:34:24,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:34:24,852 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) [2022-07-12 12:34:24,877 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 [2022-07-12 12:34:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2022-07-12 12:34:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2022-07-12 12:34:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2022-07-12 12:34:24,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2022-07-12 12:34:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:34:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:34:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:34:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:34:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2022-07-12 12:34:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2022-07-12 12:34:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2022-07-12 12:34:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2022-07-12 12:34:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 12:34:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 12:34:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2022-07-12 12:34:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2022-07-12 12:34:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2022-07-12 12:34:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2022-07-12 12:34:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2022-07-12 12:34:24,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2022-07-12 12:34:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:34:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:34:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2022-07-12 12:34:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2022-07-12 12:34:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 12:34:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2022-07-12 12:34:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2022-07-12 12:34:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-12 12:34:24,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-12 12:34:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2022-07-12 12:34:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2022-07-12 12:34:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:34:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:34:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2022-07-12 12:34:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2022-07-12 12:34:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2022-07-12 12:34:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2022-07-12 12:34:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:34:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:34:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2022-07-12 12:34:24,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2022-07-12 12:34:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-12 12:34:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-12 12:34:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:34:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:34:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 12:34:24,913 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 12:34:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2022-07-12 12:34:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2022-07-12 12:34:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:34:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:34:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2022-07-12 12:34:24,914 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2022-07-12 12:34:24,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:34:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:34:24,915 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2022-07-12 12:34:24,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2022-07-12 12:34:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2022-07-12 12:34:24,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2022-07-12 12:34:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 12:34:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 12:34:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 12:34:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 12:34:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2022-07-12 12:34:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2022-07-12 12:34:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2022-07-12 12:34:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2022-07-12 12:34:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:34:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:34:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2022-07-12 12:34:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2022-07-12 12:34:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2022-07-12 12:34:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2022-07-12 12:34:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:34:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2022-07-12 12:34:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2022-07-12 12:34:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2022-07-12 12:34:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2022-07-12 12:34:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 12:34:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 12:34:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-07-12 12:34:24,920 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-07-12 12:34:24,920 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 12:34:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 12:34:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:34:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-12 12:34:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-12 12:34:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_12 [2022-07-12 12:34:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_12 [2022-07-12 12:34:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 12:34:24,922 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 12:34:24,922 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 12:34:24,923 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 12:34:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-12 12:34:24,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 12:34:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 12:34:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 12:34:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 12:34:24,924 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2022-07-12 12:34:24,924 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2022-07-12 12:34:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-07-12 12:34:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-07-12 12:34:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2022-07-12 12:34:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2022-07-12 12:34:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:34:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:34:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2022-07-12 12:34:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2022-07-12 12:34:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 12:34:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 12:34:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2022-07-12 12:34:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2022-07-12 12:34:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-12 12:34:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-12 12:34:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 12:34:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 12:34:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2022-07-12 12:34:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2022-07-12 12:34:24,929 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 12:34:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 12:34:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:34:24,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:34:24,931 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2022-07-12 12:34:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2022-07-12 12:34:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:34:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:34:24,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:34:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2022-07-12 12:34:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2022-07-12 12:34:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:34:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:34:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2022-07-12 12:34:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2022-07-12 12:34:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2022-07-12 12:34:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2022-07-12 12:34:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:34:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2022-07-12 12:34:24,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2022-07-12 12:34:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-12 12:34:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-12 12:34:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2022-07-12 12:34:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2022-07-12 12:34:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 12:34:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 12:34:24,941 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 12:34:24,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 12:34:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:34:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 12:34:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 12:34:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 12:34:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 12:34:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2022-07-12 12:34:24,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2022-07-12 12:34:24,942 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2022-07-12 12:34:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2022-07-12 12:34:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2022-07-12 12:34:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2022-07-12 12:34:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:34:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:34:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-12 12:34:24,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-12 12:34:24,943 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2022-07-12 12:34:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2022-07-12 12:34:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2022-07-12 12:34:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2022-07-12 12:34:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2022-07-12 12:34:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2022-07-12 12:34:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 12:34:24,944 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 12:34:24,944 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:34:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:34:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2022-07-12 12:34:24,945 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2022-07-12 12:34:24,945 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2022-07-12 12:34:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2022-07-12 12:34:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:34:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2022-07-12 12:34:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2022-07-12 12:34:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2022-07-12 12:34:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2022-07-12 12:34:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-12 12:34:24,946 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-12 12:34:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2022-07-12 12:34:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2022-07-12 12:34:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2022-07-12 12:34:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2022-07-12 12:34:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:34:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:34:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-12 12:34:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2022-07-12 12:34:24,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2022-07-12 12:34:24,948 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2022-07-12 12:34:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2022-07-12 12:34:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2022-07-12 12:34:24,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2022-07-12 12:34:24,949 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-07-12 12:34:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-07-12 12:34:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:34:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2022-07-12 12:34:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2022-07-12 12:34:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 12:34:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 12:34:24,950 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 12:34:24,950 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 12:34:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:34:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-12 12:34:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-12 12:34:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:34:24,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:34:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:34:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:34:24,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 12:34:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 12:34:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:34:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 12:34:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-12 12:34:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-12 12:34:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_register [2022-07-12 12:34:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_register [2022-07-12 12:34:24,952 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2022-07-12 12:34:24,952 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2022-07-12 12:34:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 12:34:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 12:34:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2022-07-12 12:34:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2022-07-12 12:34:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2022-07-12 12:34:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2022-07-12 12:34:24,953 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2022-07-12 12:34:24,953 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2022-07-12 12:34:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2022-07-12 12:34:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2022-07-12 12:34:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_gether [2022-07-12 12:34:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_gether [2022-07-12 12:34:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-12 12:34:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-12 12:34:24,954 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:34:24,954 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:34:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:34:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:34:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-12 12:34:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-12 12:34:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 12:34:24,955 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 12:34:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:34:24,955 INFO L130 BoogieDeclarations]: Found specification of procedure sh_mdio_release [2022-07-12 12:34:24,956 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_mdio_release [2022-07-12 12:34:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2022-07-12 12:34:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2022-07-12 12:34:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2022-07-12 12:34:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2022-07-12 12:34:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:34:24,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:34:24,960 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2022-07-12 12:34:24,961 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2022-07-12 12:34:24,961 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 12:34:24,962 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 12:34:25,975 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:34:25,978 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:34:26,364 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:35:13,805 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:35:13,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:35:13,833 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2022-07-12 12:35:13,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:35:13 BoogieIcfgContainer [2022-07-12 12:35:13,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:35:13,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:35:13,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:35:13,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:35:13,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:34:20" (1/3) ... [2022-07-12 12:35:13,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3267866e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:35:13, skipping insertion in model container [2022-07-12 12:35:13,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:34:24" (2/3) ... [2022-07-12 12:35:13,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3267866e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:35:13, skipping insertion in model container [2022-07-12 12:35:13,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:35:13" (3/3) ... [2022-07-12 12:35:13,850 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--renesas--sh_eth.ko-entry_point.cil.out.i [2022-07-12 12:35:13,869 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:35:13,870 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:35:14,000 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:35:14,010 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@52cea2dc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@25bf8245 [2022-07-12 12:35:14,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:35:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 2405 states, 1668 states have (on average 1.3890887290167866) internal successors, (2317), 1746 states have internal predecessors, (2317), 624 states have call successors, (624), 118 states have call predecessors, (624), 117 states have return successors, (605), 579 states have call predecessors, (605), 605 states have call successors, (605) [2022-07-12 12:35:14,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-07-12 12:35:14,053 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:35:14,054 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2022-07-12 12:35:14,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:35:14,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:35:14,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1876844181, now seen corresponding path program 1 times [2022-07-12 12:35:14,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:35:14,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548259288] [2022-07-12 12:35:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:35:14,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:35:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:35:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:35:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:35:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:35:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:35:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:35:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:35:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:35:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:35:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:35:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:35:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-12 12:35:15,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:35:15,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548259288] [2022-07-12 12:35:15,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548259288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:35:15,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:35:15,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:35:15,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031916203] [2022-07-12 12:35:15,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:35:15,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:35:15,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:35:15,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:35:15,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:35:15,235 INFO L87 Difference]: Start difference. First operand has 2405 states, 1668 states have (on average 1.3890887290167866) internal successors, (2317), 1746 states have internal predecessors, (2317), 624 states have call successors, (624), 118 states have call predecessors, (624), 117 states have return successors, (605), 579 states have call predecessors, (605), 605 states have call successors, (605) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-12 12:35:17,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:35:19,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:35:21,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:35:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:35:36,630 INFO L93 Difference]: Finished difference Result 7802 states and 11910 transitions. [2022-07-12 12:35:36,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:35:36,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 87 [2022-07-12 12:35:36,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:35:36,696 INFO L225 Difference]: With dead ends: 7802 [2022-07-12 12:35:36,696 INFO L226 Difference]: Without dead ends: 5342 [2022-07-12 12:35:36,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:35:36,726 INFO L413 NwaCegarLoop]: 3562 mSDtfsCounter, 6575 mSDsluCounter, 4660 mSDsCounter, 0 mSdLazyCounter, 4618 mSolverCounterSat, 4273 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6968 SdHoareTripleChecker+Valid, 8222 SdHoareTripleChecker+Invalid, 8894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4273 IncrementalHoareTripleChecker+Valid, 4618 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:35:36,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6968 Valid, 8222 Invalid, 8894 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4273 Valid, 4618 Invalid, 3 Unknown, 0 Unchecked, 20.5s Time] [2022-07-12 12:35:36,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2022-07-12 12:35:37,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 4630. [2022-07-12 12:35:37,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4630 states, 3226 states have (on average 1.3601983880967141) internal successors, (4388), 3328 states have internal predecessors, (4388), 1171 states have call successors, (1171), 233 states have call predecessors, (1171), 232 states have return successors, (1170), 1118 states have call predecessors, (1170), 1170 states have call successors, (1170) [2022-07-12 12:35:37,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4630 states to 4630 states and 6729 transitions. [2022-07-12 12:35:37,088 INFO L78 Accepts]: Start accepts. Automaton has 4630 states and 6729 transitions. Word has length 87 [2022-07-12 12:35:37,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:35:37,089 INFO L495 AbstractCegarLoop]: Abstraction has 4630 states and 6729 transitions. [2022-07-12 12:35:37,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-12 12:35:37,089 INFO L276 IsEmpty]: Start isEmpty. Operand 4630 states and 6729 transitions. [2022-07-12 12:35:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-12 12:35:37,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:35:37,096 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2022-07-12 12:35:37,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:35:37,097 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:35:37,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:35:37,098 INFO L85 PathProgramCache]: Analyzing trace with hash -130534505, now seen corresponding path program 1 times [2022-07-12 12:35:37,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:35:37,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38304713] [2022-07-12 12:35:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:35:37,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:35:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:35:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:35:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:35:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:35:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:35:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:35:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:35:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:35:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:35:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:35:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:35:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 12:35:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:35:37,854 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-07-12 12:35:37,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:35:37,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38304713] [2022-07-12 12:35:37,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38304713] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:35:37,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:35:37,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:35:37,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781466065] [2022-07-12 12:35:37,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:35:37,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:35:37,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:35:37,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:35:37,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:35:37,858 INFO L87 Difference]: Start difference. First operand 4630 states and 6729 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-12 12:35:39,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:35:41,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:35:59,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:35:59,243 INFO L93 Difference]: Finished difference Result 15231 states and 22630 transitions. [2022-07-12 12:35:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:35:59,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 97 [2022-07-12 12:35:59,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:35:59,329 INFO L225 Difference]: With dead ends: 15231 [2022-07-12 12:35:59,330 INFO L226 Difference]: Without dead ends: 10621 [2022-07-12 12:35:59,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:35:59,366 INFO L413 NwaCegarLoop]: 3798 mSDtfsCounter, 6405 mSDsluCounter, 9480 mSDsCounter, 0 mSdLazyCounter, 9079 mSolverCounterSat, 4061 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6807 SdHoareTripleChecker+Valid, 13278 SdHoareTripleChecker+Invalid, 13142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4061 IncrementalHoareTripleChecker+Valid, 9079 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:35:59,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6807 Valid, 13278 Invalid, 13142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4061 Valid, 9079 Invalid, 2 Unknown, 0 Unchecked, 20.6s Time] [2022-07-12 12:35:59,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10621 states. [2022-07-12 12:35:59,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10621 to 9515. [2022-07-12 12:35:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9515 states, 6636 states have (on average 1.3603074141048825) internal successors, (9027), 6858 states have internal predecessors, (9027), 2388 states have call successors, (2388), 465 states have call predecessors, (2388), 490 states have return successors, (2560), 2293 states have call predecessors, (2560), 2387 states have call successors, (2560) [2022-07-12 12:35:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9515 states to 9515 states and 13975 transitions. [2022-07-12 12:35:59,909 INFO L78 Accepts]: Start accepts. Automaton has 9515 states and 13975 transitions. Word has length 97 [2022-07-12 12:35:59,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:35:59,909 INFO L495 AbstractCegarLoop]: Abstraction has 9515 states and 13975 transitions. [2022-07-12 12:35:59,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-12 12:35:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 9515 states and 13975 transitions. [2022-07-12 12:35:59,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-12 12:35:59,938 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:35:59,939 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:35:59,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:35:59,941 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:35:59,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:35:59,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1579586957, now seen corresponding path program 1 times [2022-07-12 12:35:59,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:35:59,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425752902] [2022-07-12 12:35:59,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:35:59,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:36:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:36:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:36:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:36:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:36:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:36:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:36:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:36:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:36:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:36:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:36:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:36:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 12:36:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:36:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 12:36:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:36:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:36:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 12:36:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:36:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 12:36:00,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:36:00,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425752902] [2022-07-12 12:36:00,778 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-07-12 12:36:00,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352815256] [2022-07-12 12:36:00,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:36:00,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:36:00,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:36:00,781 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) [2022-07-12 12:36:00,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 12:36:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:02,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 5317 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:36:02,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:36:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-07-12 12:36:02,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:36:02,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352815256] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:36:02,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:36:02,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:36:02,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582224971] [2022-07-12 12:36:02,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:36:02,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:36:02,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:36:02,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:36:02,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:36:02,216 INFO L87 Difference]: Start difference. First operand 9515 states and 13975 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 12:36:02,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:36:02,510 INFO L93 Difference]: Finished difference Result 19008 states and 27921 transitions. [2022-07-12 12:36:02,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:36:02,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2022-07-12 12:36:02,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:36:02,598 INFO L225 Difference]: With dead ends: 19008 [2022-07-12 12:36:02,598 INFO L226 Difference]: Without dead ends: 9519 [2022-07-12 12:36:02,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:36:02,672 INFO L413 NwaCegarLoop]: 3419 mSDtfsCounter, 0 mSDsluCounter, 3414 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6833 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 12:36:02,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6833 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 12:36:02,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9519 states. [2022-07-12 12:36:03,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9519 to 9519. [2022-07-12 12:36:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9519 states, 6640 states have (on average 1.360090361445783) internal successors, (9031), 6862 states have internal predecessors, (9031), 2388 states have call successors, (2388), 465 states have call predecessors, (2388), 490 states have return successors, (2560), 2293 states have call predecessors, (2560), 2387 states have call successors, (2560) [2022-07-12 12:36:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9519 states to 9519 states and 13979 transitions. [2022-07-12 12:36:03,135 INFO L78 Accepts]: Start accepts. Automaton has 9519 states and 13979 transitions. Word has length 218 [2022-07-12 12:36:03,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:36:03,136 INFO L495 AbstractCegarLoop]: Abstraction has 9519 states and 13979 transitions. [2022-07-12 12:36:03,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 12:36:03,137 INFO L276 IsEmpty]: Start isEmpty. Operand 9519 states and 13979 transitions. [2022-07-12 12:36:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-12 12:36:03,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:36:03,159 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:36:03,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 12:36:03,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:36:03,376 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:36:03,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:36:03,376 INFO L85 PathProgramCache]: Analyzing trace with hash -262888757, now seen corresponding path program 1 times [2022-07-12 12:36:03,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:36:03,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125723884] [2022-07-12 12:36:03,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:36:03,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:36:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:36:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:36:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:36:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:36:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:36:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:36:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:36:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:36:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:36:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:36:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:36:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 12:36:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:36:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 12:36:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:36:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:36:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:04,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 12:36:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:36:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:04,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 12:36:04,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:36:04,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125723884] [2022-07-12 12:36:04,062 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-07-12 12:36:04,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104104697] [2022-07-12 12:36:04,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:36:04,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:36:04,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:36:04,064 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) [2022-07-12 12:36:04,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 12:36:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:05,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 5320 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:36:05,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:36:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-07-12 12:36:05,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:36:05,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104104697] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:36:05,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:36:05,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:36:05,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436775355] [2022-07-12 12:36:05,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:36:05,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:36:05,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:36:05,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:36:05,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:36:05,748 INFO L87 Difference]: Start difference. First operand 9519 states and 13979 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 12:36:06,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:36:06,082 INFO L93 Difference]: Finished difference Result 19016 states and 27929 transitions. [2022-07-12 12:36:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:36:06,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2022-07-12 12:36:06,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:36:06,146 INFO L225 Difference]: With dead ends: 19016 [2022-07-12 12:36:06,146 INFO L226 Difference]: Without dead ends: 9523 [2022-07-12 12:36:06,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:36:06,204 INFO L413 NwaCegarLoop]: 3419 mSDtfsCounter, 0 mSDsluCounter, 3414 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6833 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 12:36:06,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6833 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 12:36:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9523 states. [2022-07-12 12:36:06,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9523 to 9523. [2022-07-12 12:36:06,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9523 states, 6644 states have (on average 1.3598735701384708) internal successors, (9035), 6866 states have internal predecessors, (9035), 2388 states have call successors, (2388), 465 states have call predecessors, (2388), 490 states have return successors, (2560), 2293 states have call predecessors, (2560), 2387 states have call successors, (2560) [2022-07-12 12:36:06,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9523 states to 9523 states and 13983 transitions. [2022-07-12 12:36:06,633 INFO L78 Accepts]: Start accepts. Automaton has 9523 states and 13983 transitions. Word has length 218 [2022-07-12 12:36:06,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:36:06,635 INFO L495 AbstractCegarLoop]: Abstraction has 9523 states and 13983 transitions. [2022-07-12 12:36:06,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 12:36:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 9523 states and 13983 transitions. [2022-07-12 12:36:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-12 12:36:06,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:36:06,658 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:36:06,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-12 12:36:06,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-12 12:36:06,872 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:36:06,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:36:06,872 INFO L85 PathProgramCache]: Analyzing trace with hash -595531895, now seen corresponding path program 1 times [2022-07-12 12:36:06,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:36:06,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526362013] [2022-07-12 12:36:06,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:36:06,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:36:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:36:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:36:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:36:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:36:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:36:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:36:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:36:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:36:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:36:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:36:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:36:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 12:36:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:36:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 12:36:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:36:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 12:36:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 12:36:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:36:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:07,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 12:36:07,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:36:07,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526362013] [2022-07-12 12:36:07,520 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-07-12 12:36:07,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861798144] [2022-07-12 12:36:07,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:36:07,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:36:07,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:36:07,522 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) [2022-07-12 12:36:07,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 12:36:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:08,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 5323 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 12:36:08,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:36:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-12 12:36:09,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:36:09,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861798144] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:36:09,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:36:09,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:36:09,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970757487] [2022-07-12 12:36:09,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:36:09,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:36:09,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:36:09,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:36:09,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:36:09,044 INFO L87 Difference]: Start difference. First operand 9523 states and 13983 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 12:36:09,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:36:09,737 INFO L93 Difference]: Finished difference Result 27885 states and 40893 transitions. [2022-07-12 12:36:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:36:09,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2022-07-12 12:36:09,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:36:09,845 INFO L225 Difference]: With dead ends: 27885 [2022-07-12 12:36:09,846 INFO L226 Difference]: Without dead ends: 18388 [2022-07-12 12:36:09,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:36:09,898 INFO L413 NwaCegarLoop]: 3958 mSDtfsCounter, 3142 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3142 SdHoareTripleChecker+Valid, 7305 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:36:09,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3142 Valid, 7305 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 12:36:09,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18388 states. [2022-07-12 12:36:10,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18388 to 18375. [2022-07-12 12:36:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18375 states, 12792 states have (on average 1.3568636647904941) internal successors, (17357), 13234 states have internal predecessors, (17357), 4602 states have call successors, (4602), 929 states have call predecessors, (4602), 980 states have return successors, (4932), 4411 states have call predecessors, (4932), 4601 states have call successors, (4932) [2022-07-12 12:36:10,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18375 states to 18375 states and 26891 transitions. [2022-07-12 12:36:10,752 INFO L78 Accepts]: Start accepts. Automaton has 18375 states and 26891 transitions. Word has length 218 [2022-07-12 12:36:10,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:36:10,753 INFO L495 AbstractCegarLoop]: Abstraction has 18375 states and 26891 transitions. [2022-07-12 12:36:10,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 12:36:10,754 INFO L276 IsEmpty]: Start isEmpty. Operand 18375 states and 26891 transitions. [2022-07-12 12:36:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-12 12:36:10,792 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:36:10,792 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:36:10,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 12:36:11,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:36:11,012 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:36:11,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:36:11,012 INFO L85 PathProgramCache]: Analyzing trace with hash 2051074189, now seen corresponding path program 1 times [2022-07-12 12:36:11,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:36:11,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337963474] [2022-07-12 12:36:11,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:36:11,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:36:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:36:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:36:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:36:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:36:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:36:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:36:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:36:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:36:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:36:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:36:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:36:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 12:36:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:36:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 12:36:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:36:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:36:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:36:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 12:36:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:36:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 12:36:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-07-12 12:36:12,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:36:12,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337963474] [2022-07-12 12:36:12,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337963474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:36:12,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:36:12,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-12 12:36:12,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808553895] [2022-07-12 12:36:12,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:36:12,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 12:36:12,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:36:12,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 12:36:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-12 12:36:12,003 INFO L87 Difference]: Start difference. First operand 18375 states and 26891 transitions. Second operand has 13 states, 12 states have (on average 12.0) internal successors, (144), 7 states have internal predecessors, (144), 3 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-12 12:36:14,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:36:16,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:36:18,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:36:20,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:36:39,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:36:39,176 INFO L93 Difference]: Finished difference Result 38856 states and 57679 transitions. [2022-07-12 12:36:39,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 12:36:39,184 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.0) internal successors, (144), 7 states have internal predecessors, (144), 3 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) Word has length 262 [2022-07-12 12:36:39,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:36:39,320 INFO L225 Difference]: With dead ends: 38856 [2022-07-12 12:36:39,320 INFO L226 Difference]: Without dead ends: 20507 [2022-07-12 12:36:39,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=167, Invalid=433, Unknown=0, NotChecked=0, Total=600 [2022-07-12 12:36:39,411 INFO L413 NwaCegarLoop]: 3031 mSDtfsCounter, 3997 mSDsluCounter, 14395 mSDsCounter, 0 mSdLazyCounter, 14846 mSolverCounterSat, 1622 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4371 SdHoareTripleChecker+Valid, 17426 SdHoareTripleChecker+Invalid, 16472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1622 IncrementalHoareTripleChecker+Valid, 14846 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:36:39,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4371 Valid, 17426 Invalid, 16472 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1622 Valid, 14846 Invalid, 4 Unknown, 0 Unchecked, 25.6s Time] [2022-07-12 12:36:39,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20507 states. [2022-07-12 12:36:40,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20507 to 17783. [2022-07-12 12:36:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17783 states, 12344 states have (on average 1.3464841218405703) internal successors, (16621), 12782 states have internal predecessors, (16621), 4450 states have call successors, (4450), 929 states have call predecessors, (4450), 988 states have return successors, (4776), 4263 states have call predecessors, (4776), 4449 states have call successors, (4776) [2022-07-12 12:36:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17783 states to 17783 states and 25847 transitions. [2022-07-12 12:36:40,553 INFO L78 Accepts]: Start accepts. Automaton has 17783 states and 25847 transitions. Word has length 262 [2022-07-12 12:36:40,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:36:40,554 INFO L495 AbstractCegarLoop]: Abstraction has 17783 states and 25847 transitions. [2022-07-12 12:36:40,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.0) internal successors, (144), 7 states have internal predecessors, (144), 3 states have call successors, (33), 6 states have call predecessors, (33), 3 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-12 12:36:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 17783 states and 25847 transitions. [2022-07-12 12:36:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-12 12:36:40,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:36:40,580 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:36:40,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 12:36:40,581 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:36:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:36:40,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1535337277, now seen corresponding path program 1 times [2022-07-12 12:36:40,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:36:40,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61247584] [2022-07-12 12:36:40,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:36:40,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:36:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:36:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:36:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:36:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:36:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:36:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:36:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:36:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:36:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:36:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:36:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:36:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:40,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 12:36:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:36:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:36:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:36:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 12:36:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:36:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:36:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 12:36:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:36:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:36:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:36:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 12:36:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:36:41,210 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-07-12 12:36:41,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:36:41,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61247584] [2022-07-12 12:36:41,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61247584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:36:41,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:36:41,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 12:36:41,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037814900] [2022-07-12 12:36:41,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:36:41,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:36:41,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:36:41,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:36:41,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:36:41,213 INFO L87 Difference]: Start difference. First operand 17783 states and 25847 transitions. Second operand has 8 states, 8 states have (on average 18.5) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-12 12:36:43,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:37:00,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:37:00,702 INFO L93 Difference]: Finished difference Result 54841 states and 81366 transitions. [2022-07-12 12:37:00,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 12:37:00,704 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 267 [2022-07-12 12:37:00,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:37:00,958 INFO L225 Difference]: With dead ends: 54841 [2022-07-12 12:37:00,958 INFO L226 Difference]: Without dead ends: 37084 [2022-07-12 12:37:01,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2022-07-12 12:37:01,067 INFO L413 NwaCegarLoop]: 3478 mSDtfsCounter, 5764 mSDsluCounter, 6586 mSDsCounter, 0 mSdLazyCounter, 8814 mSolverCounterSat, 3639 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6317 SdHoareTripleChecker+Valid, 10064 SdHoareTripleChecker+Invalid, 12454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3639 IncrementalHoareTripleChecker+Valid, 8814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:37:01,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6317 Valid, 10064 Invalid, 12454 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3639 Valid, 8814 Invalid, 1 Unknown, 0 Unchecked, 17.7s Time] [2022-07-12 12:37:01,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37084 states. [2022-07-12 12:37:02,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37084 to 31899. [2022-07-12 12:37:02,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31899 states, 22198 states have (on average 1.348589963059735) internal successors, (29936), 23058 states have internal predecessors, (29936), 7896 states have call successors, (7896), 1689 states have call predecessors, (7896), 1804 states have return successors, (8483), 7515 states have call predecessors, (8483), 7895 states have call successors, (8483) [2022-07-12 12:37:03,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31899 states to 31899 states and 46315 transitions. [2022-07-12 12:37:03,155 INFO L78 Accepts]: Start accepts. Automaton has 31899 states and 46315 transitions. Word has length 267 [2022-07-12 12:37:03,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:37:03,155 INFO L495 AbstractCegarLoop]: Abstraction has 31899 states and 46315 transitions. [2022-07-12 12:37:03,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-12 12:37:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 31899 states and 46315 transitions. [2022-07-12 12:37:03,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-12 12:37:03,183 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:37:03,183 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:37:03,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 12:37:03,183 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:37:03,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:37:03,184 INFO L85 PathProgramCache]: Analyzing trace with hash 757778881, now seen corresponding path program 1 times [2022-07-12 12:37:03,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:37:03,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431695352] [2022-07-12 12:37:03,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:37:03,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:37:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:37:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:37:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:37:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:37:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:37:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:37:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:37:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:37:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:37:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:37:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:37:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 12:37:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:37:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:37:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:37:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:37:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:37:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:37:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:37:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:37:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:37:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:37:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:37:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:37:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:37:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 12:37:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:37:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:37:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:37:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 12:37:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:37:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:37:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 12:37:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:37:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:37:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 12:37:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 12:37:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-07-12 12:37:03,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:37:03,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431695352] [2022-07-12 12:37:03,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431695352] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:37:03,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:37:03,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:37:03,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107507138] [2022-07-12 12:37:03,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:37:03,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:37:03,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:37:03,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:37:03,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:37:03,990 INFO L87 Difference]: Start difference. First operand 31899 states and 46315 transitions. Second operand has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-12 12:37:06,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:37:08,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:37:24,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:37:24,817 INFO L93 Difference]: Finished difference Result 104909 states and 154708 transitions. [2022-07-12 12:37:24,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 12:37:24,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 260 [2022-07-12 12:37:24,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:37:25,235 INFO L225 Difference]: With dead ends: 104909 [2022-07-12 12:37:25,235 INFO L226 Difference]: Without dead ends: 73036 [2022-07-12 12:37:25,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2022-07-12 12:37:25,367 INFO L413 NwaCegarLoop]: 3611 mSDtfsCounter, 6557 mSDsluCounter, 5321 mSDsCounter, 0 mSdLazyCounter, 6503 mSolverCounterSat, 3923 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7163 SdHoareTripleChecker+Valid, 8932 SdHoareTripleChecker+Invalid, 10428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3923 IncrementalHoareTripleChecker+Valid, 6503 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:37:25,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7163 Valid, 8932 Invalid, 10428 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3923 Valid, 6503 Invalid, 2 Unknown, 0 Unchecked, 17.7s Time] [2022-07-12 12:37:25,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73036 states. [2022-07-12 12:37:28,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73036 to 62739. [2022-07-12 12:37:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62739 states, 43658 states have (on average 1.3485729992212194) internal successors, (58876), 45382 states have internal predecessors, (58876), 15504 states have call successors, (15504), 3345 states have call predecessors, (15504), 3576 states have return successors, (16597), 14739 states have call predecessors, (16597), 15503 states have call successors, (16597) [2022-07-12 12:37:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62739 states to 62739 states and 90977 transitions. [2022-07-12 12:37:28,739 INFO L78 Accepts]: Start accepts. Automaton has 62739 states and 90977 transitions. Word has length 260 [2022-07-12 12:37:28,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:37:28,740 INFO L495 AbstractCegarLoop]: Abstraction has 62739 states and 90977 transitions. [2022-07-12 12:37:28,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-12 12:37:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 62739 states and 90977 transitions. [2022-07-12 12:37:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-12 12:37:28,779 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:37:28,779 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:37:28,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 12:37:28,780 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:37:28,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:37:28,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1351561034, now seen corresponding path program 1 times [2022-07-12 12:37:28,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:37:28,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603210955] [2022-07-12 12:37:28,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:37:28,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:37:28,970 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 12:37:28,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1448447907] [2022-07-12 12:37:28,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:37:28,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:37:28,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:37:28,975 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) [2022-07-12 12:37:29,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 12:37:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:30,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 5852 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:37:30,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:37:30,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-07-12 12:37:30,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:37:30,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:37:30,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603210955] [2022-07-12 12:37:30,623 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 12:37:30,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448447907] [2022-07-12 12:37:30,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448447907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:37:30,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:37:30,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:37:30,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19721081] [2022-07-12 12:37:30,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:37:30,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:37:30,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:37:30,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:37:30,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:37:30,626 INFO L87 Difference]: Start difference. First operand 62739 states and 90977 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-12 12:37:33,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:37:33,293 INFO L93 Difference]: Finished difference Result 125612 states and 182157 transitions. [2022-07-12 12:37:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:37:33,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 328 [2022-07-12 12:37:33,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:37:33,665 INFO L225 Difference]: With dead ends: 125612 [2022-07-12 12:37:33,666 INFO L226 Difference]: Without dead ends: 62899 [2022-07-12 12:37:33,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:37:33,950 INFO L413 NwaCegarLoop]: 3282 mSDtfsCounter, 12 mSDsluCounter, 6558 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 9840 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 12:37:33,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 9840 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 12:37:34,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62899 states. [2022-07-12 12:37:36,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62899 to 62771. [2022-07-12 12:37:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62771 states, 43690 states have (on average 1.3483176928358893) internal successors, (58908), 45414 states have internal predecessors, (58908), 15504 states have call successors, (15504), 3345 states have call predecessors, (15504), 3576 states have return successors, (16597), 14739 states have call predecessors, (16597), 15503 states have call successors, (16597) [2022-07-12 12:37:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62771 states to 62771 states and 91009 transitions. [2022-07-12 12:37:36,933 INFO L78 Accepts]: Start accepts. Automaton has 62771 states and 91009 transitions. Word has length 328 [2022-07-12 12:37:36,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:37:36,933 INFO L495 AbstractCegarLoop]: Abstraction has 62771 states and 91009 transitions. [2022-07-12 12:37:36,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-12 12:37:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 62771 states and 91009 transitions. [2022-07-12 12:37:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-12 12:37:36,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:37:36,982 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:37:37,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 12:37:37,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:37:37,208 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:37:37,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:37:37,209 INFO L85 PathProgramCache]: Analyzing trace with hash 880204684, now seen corresponding path program 1 times [2022-07-12 12:37:37,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:37:37,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663839282] [2022-07-12 12:37:37,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:37:37,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:37:37,644 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 12:37:37,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885594711] [2022-07-12 12:37:37,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:37:37,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:37:37,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:37:37,647 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) [2022-07-12 12:37:37,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 12:37:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:39,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 5849 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 12:37:39,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:37:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-07-12 12:37:39,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 12:37:39,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:37:39,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663839282] [2022-07-12 12:37:39,202 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 12:37:39,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885594711] [2022-07-12 12:37:39,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885594711] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:37:39,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:37:39,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 12:37:39,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810632484] [2022-07-12 12:37:39,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:37:39,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 12:37:39,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:37:39,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 12:37:39,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 12:37:39,204 INFO L87 Difference]: Start difference. First operand 62771 states and 91009 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-12 12:37:41,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:37:41,683 INFO L93 Difference]: Finished difference Result 125564 states and 182045 transitions. [2022-07-12 12:37:41,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 12:37:41,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 328 [2022-07-12 12:37:41,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:37:42,007 INFO L225 Difference]: With dead ends: 125564 [2022-07-12 12:37:42,007 INFO L226 Difference]: Without dead ends: 62819 [2022-07-12 12:37:42,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:37:42,370 INFO L413 NwaCegarLoop]: 3282 mSDtfsCounter, 3 mSDsluCounter, 6557 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9839 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 12:37:42,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9839 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 12:37:42,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62819 states. [2022-07-12 12:37:44,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62819 to 62803. [2022-07-12 12:37:44,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62803 states, 43722 states have (on average 1.3480627601665065) internal successors, (58940), 45446 states have internal predecessors, (58940), 15504 states have call successors, (15504), 3345 states have call predecessors, (15504), 3576 states have return successors, (16597), 14739 states have call predecessors, (16597), 15503 states have call successors, (16597) [2022-07-12 12:37:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62803 states to 62803 states and 91041 transitions. [2022-07-12 12:37:45,195 INFO L78 Accepts]: Start accepts. Automaton has 62803 states and 91041 transitions. Word has length 328 [2022-07-12 12:37:45,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:37:45,196 INFO L495 AbstractCegarLoop]: Abstraction has 62803 states and 91041 transitions. [2022-07-12 12:37:45,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-12 12:37:45,196 INFO L276 IsEmpty]: Start isEmpty. Operand 62803 states and 91041 transitions. [2022-07-12 12:37:45,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-12 12:37:45,233 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:37:45,233 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:37:45,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-12 12:37:45,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-12 12:37:45,435 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:37:45,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:37:45,436 INFO L85 PathProgramCache]: Analyzing trace with hash -941519992, now seen corresponding path program 1 times [2022-07-12 12:37:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:37:45,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27379527] [2022-07-12 12:37:45,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:37:45,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:37:45,616 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 12:37:45,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [97780737] [2022-07-12 12:37:45,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:37:45,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 12:37:45,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:37:45,618 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) [2022-07-12 12:37:45,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-12 12:37:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:37:47,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 5855 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 12:37:47,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 12:37:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 560 proven. 5 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2022-07-12 12:37:47,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 12:37:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2022-07-12 12:37:48,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:37:48,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27379527] [2022-07-12 12:37:48,510 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 12:37:48,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97780737] [2022-07-12 12:37:48,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97780737] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 12:37:48,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 12:37:48,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-07-12 12:37:48,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869391283] [2022-07-12 12:37:48,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:37:48,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:37:48,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:37:48,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:37:48,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:37:48,512 INFO L87 Difference]: Start difference. First operand 62803 states and 91041 transitions. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 5 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2022-07-12 12:37:50,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:38:01,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:38:01,815 INFO L93 Difference]: Finished difference Result 132332 states and 193241 transitions. [2022-07-12 12:38:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 12:38:01,816 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 5 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) Word has length 328 [2022-07-12 12:38:01,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:38:02,154 INFO L225 Difference]: With dead ends: 132332 [2022-07-12 12:38:02,154 INFO L226 Difference]: Without dead ends: 69331 [2022-07-12 12:38:02,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 648 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-07-12 12:38:02,347 INFO L413 NwaCegarLoop]: 3989 mSDtfsCounter, 4926 mSDsluCounter, 4406 mSDsCounter, 0 mSdLazyCounter, 5434 mSolverCounterSat, 724 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5361 SdHoareTripleChecker+Valid, 8395 SdHoareTripleChecker+Invalid, 6159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 724 IncrementalHoareTripleChecker+Valid, 5434 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:38:02,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5361 Valid, 8395 Invalid, 6159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 5434 Invalid, 1 Unknown, 0 Unchecked, 10.2s Time] [2022-07-12 12:38:02,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69331 states.