./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.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 afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:55:56,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:55:56,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:55:56,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:55:56,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:55:56,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:55:56,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:55:56,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:55:56,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:55:56,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:55:56,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:55:56,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:55:56,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:55:56,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:55:56,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:55:56,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:55:56,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:55:56,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:55:56,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:55:56,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:55:56,164 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:55:56,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:55:56,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:55:56,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:55:56,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:55:56,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:55:56,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:55:56,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:55:56,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:55:56,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:55:56,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:55:56,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:55:56,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:55:56,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:55:56,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:55:56,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:55:56,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:55:56,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:55:56,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:55:56,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:55:56,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:55:56,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:55:56,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:55:56,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:55:56,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:55:56,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:55:56,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:55:56,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:55:56,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:55:56,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:55:56,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:55:56,238 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:55:56,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:55:56,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:55:56,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:55:56,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:55:56,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:55:56,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:55:56,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:55:56,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:55:56,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:55:56,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:55:56,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:55:56,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:55:56,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:55:56,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:55:56,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:55:56,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:55:56,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:55:56,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:55:56,242 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:55:56,242 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:55:56,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:55:56,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a [2022-07-20 00:55:56,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:55:56,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:55:56,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:55:56,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:55:56,496 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:55:56,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2022-07-20 00:55:56,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128a68be3/9b6f01e033054ae5b217e19f8b82503c/FLAGc19e6dd0e [2022-07-20 00:55:57,183 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:55:57,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2022-07-20 00:55:57,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128a68be3/9b6f01e033054ae5b217e19f8b82503c/FLAGc19e6dd0e [2022-07-20 00:55:57,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128a68be3/9b6f01e033054ae5b217e19f8b82503c [2022-07-20 00:55:57,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:55:57,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:55:57,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:55:57,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:55:57,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:55:57,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:55:57" (1/1) ... [2022-07-20 00:55:57,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d0adfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:57, skipping insertion in model container [2022-07-20 00:55:57,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:55:57" (1/1) ... [2022-07-20 00:55:57,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:55:57,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:55:58,317 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2022-07-20 00:55:58,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:55:58,391 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:55:58,530 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2022-07-20 00:55:58,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:55:58,628 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:55:58,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58 WrapperNode [2022-07-20 00:55:58,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:55:58,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:55:58,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:55:58,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:55:58,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,766 INFO L137 Inliner]: procedures = 173, calls = 858, calls flagged for inlining = 50, calls inlined = 47, statements flattened = 2095 [2022-07-20 00:55:58,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:55:58,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:55:58,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:55:58,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:55:58,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:55:58,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:55:58,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:55:58,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:55:58,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (1/1) ... [2022-07-20 00:55:58,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:55:58,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:55:58,950 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) [2022-07-20 00:55:58,972 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 [2022-07-20 00:55:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 00:55:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 00:55:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2022-07-20 00:55:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2022-07-20 00:55:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2022-07-20 00:55:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2022-07-20 00:55:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:55:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:55:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:55:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:55:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:55:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2022-07-20 00:55:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2022-07-20 00:55:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:55:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:55:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2022-07-20 00:55:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2022-07-20 00:55:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:55:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:55:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2022-07-20 00:55:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2022-07-20 00:55:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-20 00:55:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-20 00:55:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:55:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:55:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:55:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2022-07-20 00:55:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2022-07-20 00:55:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:55:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:55:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:55:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:55:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-20 00:55:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-20 00:55:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2022-07-20 00:55:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2022-07-20 00:55:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2022-07-20 00:55:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2022-07-20 00:55:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2022-07-20 00:55:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2022-07-20 00:55:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:55:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:55:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2022-07-20 00:55:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2022-07-20 00:55:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2022-07-20 00:55:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2022-07-20 00:55:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:55:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:55:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:55:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:55:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:55:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:55:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:55:59,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:55:59,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2022-07-20 00:55:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2022-07-20 00:55:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2022-07-20 00:55:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2022-07-20 00:55:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2022-07-20 00:55:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2022-07-20 00:55:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2022-07-20 00:55:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-20 00:55:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2022-07-20 00:55:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2022-07-20 00:55:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 00:55:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:55:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:55:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:55:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 00:55:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 00:55:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:55:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-20 00:55:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-20 00:55:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2022-07-20 00:55:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2022-07-20 00:55:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2022-07-20 00:55:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2022-07-20 00:55:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:55:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:55:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-20 00:55:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-20 00:55:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2022-07-20 00:55:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2022-07-20 00:55:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-20 00:55:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-20 00:55:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2022-07-20 00:55:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2022-07-20 00:55:59,486 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:55:59,489 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:55:59,735 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:56:00,937 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:56:00,961 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:56:00,961 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:56:00,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:56:00 BoogieIcfgContainer [2022-07-20 00:56:00,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:56:00,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:56:00,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:56:00,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:56:00,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:55:57" (1/3) ... [2022-07-20 00:56:00,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d80a4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:56:00, skipping insertion in model container [2022-07-20 00:56:00,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:55:58" (2/3) ... [2022-07-20 00:56:00,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d80a4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:56:00, skipping insertion in model container [2022-07-20 00:56:00,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:56:00" (3/3) ... [2022-07-20 00:56:00,977 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2022-07-20 00:56:00,990 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:56:00,991 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:56:01,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:56:01,085 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@fc780db, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6a9c90b6 [2022-07-20 00:56:01,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:56:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 829 states, 604 states have (on average 1.4089403973509933) internal successors, (851), 621 states have internal predecessors, (851), 177 states have call successors, (177), 47 states have call predecessors, (177), 46 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2022-07-20 00:56:01,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-20 00:56:01,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:01,124 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:56:01,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:01,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:01,131 INFO L85 PathProgramCache]: Analyzing trace with hash -909924229, now seen corresponding path program 1 times [2022-07-20 00:56:01,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:01,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979664891] [2022-07-20 00:56:01,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:01,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:02,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 00:56:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-20 00:56:02,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:02,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979664891] [2022-07-20 00:56:02,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979664891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:02,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:02,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:56:02,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528748589] [2022-07-20 00:56:02,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:02,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:56:02,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:02,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:56:02,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:56:02,062 INFO L87 Difference]: Start difference. First operand has 829 states, 604 states have (on average 1.4089403973509933) internal successors, (851), 621 states have internal predecessors, (851), 177 states have call successors, (177), 47 states have call predecessors, (177), 46 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 00:56:03,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:03,605 INFO L93 Difference]: Finished difference Result 1842 states and 2807 transitions. [2022-07-20 00:56:03,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:56:03,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 262 [2022-07-20 00:56:03,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:03,633 INFO L225 Difference]: With dead ends: 1842 [2022-07-20 00:56:03,634 INFO L226 Difference]: Without dead ends: 1002 [2022-07-20 00:56:03,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:56:03,649 INFO L413 NwaCegarLoop]: 1141 mSDtfsCounter, 816 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:03,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 2295 Invalid, 1139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [515 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 00:56:03,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2022-07-20 00:56:03,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 813. [2022-07-20 00:56:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 599 states have (on average 1.3806343906510852) internal successors, (827), 605 states have internal predecessors, (827), 168 states have call successors, (168), 46 states have call predecessors, (168), 45 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2022-07-20 00:56:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1158 transitions. [2022-07-20 00:56:03,760 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1158 transitions. Word has length 262 [2022-07-20 00:56:03,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:03,761 INFO L495 AbstractCegarLoop]: Abstraction has 813 states and 1158 transitions. [2022-07-20 00:56:03,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 00:56:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1158 transitions. [2022-07-20 00:56:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-20 00:56:03,765 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:03,766 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:56:03,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:56:03,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:03,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:03,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2108843147, now seen corresponding path program 1 times [2022-07-20 00:56:03,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:03,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750344622] [2022-07-20 00:56:03,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:03,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:03,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 00:56:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-20 00:56:04,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:04,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750344622] [2022-07-20 00:56:04,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750344622] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:04,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:04,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:56:04,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617457613] [2022-07-20 00:56:04,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:04,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:56:04,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:04,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:56:04,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:56:04,242 INFO L87 Difference]: Start difference. First operand 813 states and 1158 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 00:56:06,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:06,479 INFO L93 Difference]: Finished difference Result 2673 states and 3904 transitions. [2022-07-20 00:56:06,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:56:06,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 262 [2022-07-20 00:56:06,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:06,503 INFO L225 Difference]: With dead ends: 2673 [2022-07-20 00:56:06,503 INFO L226 Difference]: Without dead ends: 1911 [2022-07-20 00:56:06,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:56:06,513 INFO L413 NwaCegarLoop]: 1213 mSDtfsCounter, 2466 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 982 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2572 SdHoareTripleChecker+Valid, 3238 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 982 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:06,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2572 Valid, 3238 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [982 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-20 00:56:06,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2022-07-20 00:56:06,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1518. [2022-07-20 00:56:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1133 states have (on average 1.3918799646954987) internal successors, (1577), 1142 states have internal predecessors, (1577), 294 states have call successors, (294), 91 states have call predecessors, (294), 90 states have return successors, (289), 288 states have call predecessors, (289), 289 states have call successors, (289) [2022-07-20 00:56:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2160 transitions. [2022-07-20 00:56:06,614 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2160 transitions. Word has length 262 [2022-07-20 00:56:06,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:06,618 INFO L495 AbstractCegarLoop]: Abstraction has 1518 states and 2160 transitions. [2022-07-20 00:56:06,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 00:56:06,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2160 transitions. [2022-07-20 00:56:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-20 00:56:06,621 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:06,621 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:56:06,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:56:06,624 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:06,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:06,625 INFO L85 PathProgramCache]: Analyzing trace with hash 684923893, now seen corresponding path program 1 times [2022-07-20 00:56:06,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:06,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173962164] [2022-07-20 00:56:06,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:06,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:06,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-20 00:56:07,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:07,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173962164] [2022-07-20 00:56:07,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173962164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:07,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:07,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:56:07,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852392090] [2022-07-20 00:56:07,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:07,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:56:07,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:07,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:56:07,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:56:07,052 INFO L87 Difference]: Start difference. First operand 1518 states and 2160 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-20 00:56:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:09,585 INFO L93 Difference]: Finished difference Result 5155 states and 7529 transitions. [2022-07-20 00:56:09,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:56:09,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 260 [2022-07-20 00:56:09,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:09,608 INFO L225 Difference]: With dead ends: 5155 [2022-07-20 00:56:09,609 INFO L226 Difference]: Without dead ends: 3688 [2022-07-20 00:56:09,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:56:09,624 INFO L413 NwaCegarLoop]: 1264 mSDtfsCounter, 2373 mSDsluCounter, 2652 mSDsCounter, 0 mSdLazyCounter, 1637 mSolverCounterSat, 946 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2471 SdHoareTripleChecker+Valid, 3916 SdHoareTripleChecker+Invalid, 2583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 946 IncrementalHoareTripleChecker+Valid, 1637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:09,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2471 Valid, 3916 Invalid, 2583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [946 Valid, 1637 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-20 00:56:09,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2022-07-20 00:56:09,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 2928. [2022-07-20 00:56:09,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2202 states have (on average 1.3978201634877385) internal successors, (3078), 2215 states have internal predecessors, (3078), 545 states have call successors, (545), 181 states have call predecessors, (545), 180 states have return successors, (540), 539 states have call predecessors, (540), 540 states have call successors, (540) [2022-07-20 00:56:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 4163 transitions. [2022-07-20 00:56:09,776 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 4163 transitions. Word has length 260 [2022-07-20 00:56:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:09,777 INFO L495 AbstractCegarLoop]: Abstraction has 2928 states and 4163 transitions. [2022-07-20 00:56:09,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-20 00:56:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 4163 transitions. [2022-07-20 00:56:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-20 00:56:09,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:09,782 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:56:09,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:56:09,785 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:09,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:09,786 INFO L85 PathProgramCache]: Analyzing trace with hash -921682719, now seen corresponding path program 1 times [2022-07-20 00:56:09,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:09,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58926720] [2022-07-20 00:56:09,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:09,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 00:56:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:10,133 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-20 00:56:10,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:10,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58926720] [2022-07-20 00:56:10,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58926720] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:10,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:10,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:56:10,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145927350] [2022-07-20 00:56:10,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:10,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:56:10,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:10,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:56:10,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:56:10,136 INFO L87 Difference]: Start difference. First operand 2928 states and 4163 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 00:56:12,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:12,638 INFO L93 Difference]: Finished difference Result 10060 states and 14649 transitions. [2022-07-20 00:56:12,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:56:12,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 264 [2022-07-20 00:56:12,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:12,676 INFO L225 Difference]: With dead ends: 10060 [2022-07-20 00:56:12,676 INFO L226 Difference]: Without dead ends: 7183 [2022-07-20 00:56:12,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:56:12,688 INFO L413 NwaCegarLoop]: 1244 mSDtfsCounter, 2432 mSDsluCounter, 2629 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 3873 SdHoareTripleChecker+Invalid, 2502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 935 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:12,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2539 Valid, 3873 Invalid, 2502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [935 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-20 00:56:12,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7183 states. [2022-07-20 00:56:12,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7183 to 5654. [2022-07-20 00:56:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5654 states, 4272 states have (on average 1.4002808988764044) internal successors, (5982), 4295 states have internal predecessors, (5982), 1021 states have call successors, (1021), 361 states have call predecessors, (1021), 360 states have return successors, (1016), 1013 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-07-20 00:56:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5654 states to 5654 states and 8019 transitions. [2022-07-20 00:56:12,898 INFO L78 Accepts]: Start accepts. Automaton has 5654 states and 8019 transitions. Word has length 264 [2022-07-20 00:56:12,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:12,899 INFO L495 AbstractCegarLoop]: Abstraction has 5654 states and 8019 transitions. [2022-07-20 00:56:12,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 00:56:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5654 states and 8019 transitions. [2022-07-20 00:56:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-20 00:56:12,902 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:12,902 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:56:12,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 00:56:12,903 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:12,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:12,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1565957304, now seen corresponding path program 1 times [2022-07-20 00:56:12,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:12,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76483081] [2022-07-20 00:56:12,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:12,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-20 00:56:13,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:13,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76483081] [2022-07-20 00:56:13,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76483081] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:13,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:13,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:56:13,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047012055] [2022-07-20 00:56:13,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:13,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:56:13,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:13,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:56:13,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:56:13,316 INFO L87 Difference]: Start difference. First operand 5654 states and 8019 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 00:56:14,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:14,813 INFO L93 Difference]: Finished difference Result 7168 states and 10540 transitions. [2022-07-20 00:56:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:56:14,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 262 [2022-07-20 00:56:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:14,864 INFO L225 Difference]: With dead ends: 7168 [2022-07-20 00:56:14,864 INFO L226 Difference]: Without dead ends: 7165 [2022-07-20 00:56:14,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:56:14,873 INFO L413 NwaCegarLoop]: 1102 mSDtfsCounter, 1741 mSDsluCounter, 1641 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 2743 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:14,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 2743 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [574 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-20 00:56:14,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2022-07-20 00:56:15,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 5653. [2022-07-20 00:56:15,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5653 states, 4272 states have (on average 1.4000468164794007) internal successors, (5981), 4294 states have internal predecessors, (5981), 1020 states have call successors, (1020), 361 states have call predecessors, (1020), 360 states have return successors, (1016), 1013 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-07-20 00:56:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5653 states to 5653 states and 8017 transitions. [2022-07-20 00:56:15,118 INFO L78 Accepts]: Start accepts. Automaton has 5653 states and 8017 transitions. Word has length 262 [2022-07-20 00:56:15,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:15,121 INFO L495 AbstractCegarLoop]: Abstraction has 5653 states and 8017 transitions. [2022-07-20 00:56:15,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 00:56:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5653 states and 8017 transitions. [2022-07-20 00:56:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-20 00:56:15,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:15,136 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:56:15,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 00:56:15,136 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:15,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:15,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1299740332, now seen corresponding path program 1 times [2022-07-20 00:56:15,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:15,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345177924] [2022-07-20 00:56:15,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:15,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-20 00:56:15,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:15,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345177924] [2022-07-20 00:56:15,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345177924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:15,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:15,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:56:15,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534513854] [2022-07-20 00:56:15,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:15,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:56:15,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:15,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:56:15,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:56:15,514 INFO L87 Difference]: Start difference. First operand 5653 states and 8017 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 00:56:17,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:17,055 INFO L93 Difference]: Finished difference Result 7167 states and 10538 transitions. [2022-07-20 00:56:17,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:56:17,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 263 [2022-07-20 00:56:17,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:17,097 INFO L225 Difference]: With dead ends: 7167 [2022-07-20 00:56:17,097 INFO L226 Difference]: Without dead ends: 7164 [2022-07-20 00:56:17,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:56:17,104 INFO L413 NwaCegarLoop]: 1102 mSDtfsCounter, 1737 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:17,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 2741 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-20 00:56:17,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2022-07-20 00:56:17,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 5652. [2022-07-20 00:56:17,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5652 states, 4272 states have (on average 1.399812734082397) internal successors, (5980), 4293 states have internal predecessors, (5980), 1019 states have call successors, (1019), 361 states have call predecessors, (1019), 360 states have return successors, (1016), 1013 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-07-20 00:56:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8015 transitions. [2022-07-20 00:56:17,312 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8015 transitions. Word has length 263 [2022-07-20 00:56:17,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:17,313 INFO L495 AbstractCegarLoop]: Abstraction has 5652 states and 8015 transitions. [2022-07-20 00:56:17,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 00:56:17,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8015 transitions. [2022-07-20 00:56:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-20 00:56:17,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:17,317 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:56:17,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 00:56:17,318 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:17,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:17,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1636953659, now seen corresponding path program 1 times [2022-07-20 00:56:17,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:17,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866854610] [2022-07-20 00:56:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:17,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-20 00:56:17,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:17,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866854610] [2022-07-20 00:56:17,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866854610] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:17,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:17,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:56:17,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860821796] [2022-07-20 00:56:17,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:17,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:56:17,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:17,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:56:17,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:56:17,695 INFO L87 Difference]: Start difference. First operand 5652 states and 8015 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 00:56:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:19,581 INFO L93 Difference]: Finished difference Result 14533 states and 21204 transitions. [2022-07-20 00:56:19,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:56:19,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 264 [2022-07-20 00:56:19,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:19,630 INFO L225 Difference]: With dead ends: 14533 [2022-07-20 00:56:19,630 INFO L226 Difference]: Without dead ends: 8926 [2022-07-20 00:56:19,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:56:19,658 INFO L413 NwaCegarLoop]: 1152 mSDtfsCounter, 2308 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2375 SdHoareTripleChecker+Valid, 2597 SdHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:19,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2375 Valid, 2597 Invalid, 1803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-20 00:56:19,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8926 states. [2022-07-20 00:56:19,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8926 to 6900. [2022-07-20 00:56:19,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6900 states, 5229 states have (on average 1.3939567794989483) internal successors, (7289), 5273 states have internal predecessors, (7289), 1194 states have call successors, (1194), 470 states have call predecessors, (1194), 476 states have return successors, (1270), 1180 states have call predecessors, (1270), 1190 states have call successors, (1270) [2022-07-20 00:56:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6900 states to 6900 states and 9753 transitions. [2022-07-20 00:56:19,941 INFO L78 Accepts]: Start accepts. Automaton has 6900 states and 9753 transitions. Word has length 264 [2022-07-20 00:56:19,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:19,941 INFO L495 AbstractCegarLoop]: Abstraction has 6900 states and 9753 transitions. [2022-07-20 00:56:19,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 00:56:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 6900 states and 9753 transitions. [2022-07-20 00:56:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-07-20 00:56:19,947 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:19,947 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:56:19,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 00:56:19,948 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:19,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:19,948 INFO L85 PathProgramCache]: Analyzing trace with hash -15773498, now seen corresponding path program 1 times [2022-07-20 00:56:19,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:19,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499674403] [2022-07-20 00:56:19,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:19,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:56:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:56:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 00:56:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-07-20 00:56:20,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:20,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499674403] [2022-07-20 00:56:20,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499674403] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:20,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:20,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:56:20,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285651837] [2022-07-20 00:56:20,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:20,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:56:20,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:20,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:56:20,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:56:20,384 INFO L87 Difference]: Start difference. First operand 6900 states and 9753 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-20 00:56:23,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:23,459 INFO L93 Difference]: Finished difference Result 26612 states and 39121 transitions. [2022-07-20 00:56:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:56:23,460 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 368 [2022-07-20 00:56:23,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:23,557 INFO L225 Difference]: With dead ends: 26612 [2022-07-20 00:56:23,558 INFO L226 Difference]: Without dead ends: 19763 [2022-07-20 00:56:23,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:56:23,587 INFO L413 NwaCegarLoop]: 1310 mSDtfsCounter, 3402 mSDsluCounter, 2820 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 1427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3574 SdHoareTripleChecker+Valid, 4130 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:23,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3574 Valid, 4130 Invalid, 3205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1427 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 00:56:23,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19763 states. [2022-07-20 00:56:24,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19763 to 14100. [2022-07-20 00:56:24,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14100 states, 10725 states have (on average 1.396083916083916) internal successors, (14973), 10853 states have internal predecessors, (14973), 2358 states have call successors, (2358), 938 states have call predecessors, (2358), 1016 states have return successors, (2850), 2356 states have call predecessors, (2850), 2354 states have call successors, (2850) [2022-07-20 00:56:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14100 states to 14100 states and 20181 transitions. [2022-07-20 00:56:24,435 INFO L78 Accepts]: Start accepts. Automaton has 14100 states and 20181 transitions. Word has length 368 [2022-07-20 00:56:24,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:24,436 INFO L495 AbstractCegarLoop]: Abstraction has 14100 states and 20181 transitions. [2022-07-20 00:56:24,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-20 00:56:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 14100 states and 20181 transitions. [2022-07-20 00:56:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-07-20 00:56:24,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:24,440 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:56:24,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 00:56:24,441 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:24,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:24,441 INFO L85 PathProgramCache]: Analyzing trace with hash 179110648, now seen corresponding path program 1 times [2022-07-20 00:56:24,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:24,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947728585] [2022-07-20 00:56:24,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:24,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 00:56:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-20 00:56:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 00:56:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:24,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-07-20 00:56:24,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:24,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947728585] [2022-07-20 00:56:24,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947728585] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:24,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:24,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:56:24,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491099507] [2022-07-20 00:56:24,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:24,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:56:24,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:24,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:56:24,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:56:24,912 INFO L87 Difference]: Start difference. First operand 14100 states and 20181 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-20 00:56:28,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:28,440 INFO L93 Difference]: Finished difference Result 48738 states and 71573 transitions. [2022-07-20 00:56:28,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:56:28,441 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 369 [2022-07-20 00:56:28,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:28,627 INFO L225 Difference]: With dead ends: 48738 [2022-07-20 00:56:28,628 INFO L226 Difference]: Without dead ends: 34689 [2022-07-20 00:56:28,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:56:28,699 INFO L413 NwaCegarLoop]: 1885 mSDtfsCounter, 2733 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 1462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 4584 SdHoareTripleChecker+Invalid, 2971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1462 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:28,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2902 Valid, 4584 Invalid, 2971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1462 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-20 00:56:28,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34689 states. [2022-07-20 00:56:29,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34689 to 24724. [2022-07-20 00:56:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24724 states, 18761 states have (on average 1.391556953254091) internal successors, (26107), 18977 states have internal predecessors, (26107), 4156 states have call successors, (4156), 1688 states have call predecessors, (4156), 1806 states have return successors, (4928), 4146 states have call predecessors, (4928), 4152 states have call successors, (4928) [2022-07-20 00:56:30,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24724 states to 24724 states and 35191 transitions. [2022-07-20 00:56:30,010 INFO L78 Accepts]: Start accepts. Automaton has 24724 states and 35191 transitions. Word has length 369 [2022-07-20 00:56:30,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:30,011 INFO L495 AbstractCegarLoop]: Abstraction has 24724 states and 35191 transitions. [2022-07-20 00:56:30,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-20 00:56:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 24724 states and 35191 transitions. [2022-07-20 00:56:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-20 00:56:30,020 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:30,021 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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] [2022-07-20 00:56:30,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 00:56:30,022 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:30,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:30,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1646815934, now seen corresponding path program 1 times [2022-07-20 00:56:30,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:30,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725365466] [2022-07-20 00:56:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:30,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:56:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:56:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:56:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:56:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 00:56:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:56:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-20 00:56:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 00:56:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 00:56:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-20 00:56:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-20 00:56:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:56:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-20 00:56:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2745 trivial. 0 not checked. [2022-07-20 00:56:30,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:30,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725365466] [2022-07-20 00:56:30,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725365466] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:30,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:30,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:56:30,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140111677] [2022-07-20 00:56:30,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:30,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:56:30,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:30,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:56:30,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:56:30,473 INFO L87 Difference]: Start difference. First operand 24724 states and 35191 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 7 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-20 00:56:34,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:34,063 INFO L93 Difference]: Finished difference Result 37204 states and 54597 transitions. [2022-07-20 00:56:34,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:56:34,064 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 7 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 457 [2022-07-20 00:56:34,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:34,203 INFO L225 Difference]: With dead ends: 37204 [2022-07-20 00:56:34,203 INFO L226 Difference]: Without dead ends: 32432 [2022-07-20 00:56:34,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-07-20 00:56:34,241 INFO L413 NwaCegarLoop]: 1288 mSDtfsCounter, 2039 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 1167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 3269 SdHoareTripleChecker+Invalid, 3241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1167 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:34,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 3269 Invalid, 3241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1167 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 00:56:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32432 states. [2022-07-20 00:56:35,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32432 to 22492. [2022-07-20 00:56:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22492 states, 17024 states have (on average 1.3862781954887218) internal successors, (23600), 17143 states have internal predecessors, (23600), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1580 states have return successors, (3850), 3813 states have call predecessors, (3850), 3850 states have call successors, (3850) [2022-07-20 00:56:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22492 states to 22492 states and 31337 transitions. [2022-07-20 00:56:35,304 INFO L78 Accepts]: Start accepts. Automaton has 22492 states and 31337 transitions. Word has length 457 [2022-07-20 00:56:35,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:35,305 INFO L495 AbstractCegarLoop]: Abstraction has 22492 states and 31337 transitions. [2022-07-20 00:56:35,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 7 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-20 00:56:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 22492 states and 31337 transitions. [2022-07-20 00:56:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-07-20 00:56:35,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:35,365 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:56:35,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 00:56:35,366 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:35,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:35,367 INFO L85 PathProgramCache]: Analyzing trace with hash -569679682, now seen corresponding path program 1 times [2022-07-20 00:56:35,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:35,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497452208] [2022-07-20 00:56:35,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:35,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:56:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:56:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:56:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:56:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 00:56:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:56:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-20 00:56:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 00:56:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 00:56:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-20 00:56:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 00:56:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-20 00:56:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-20 00:56:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2788 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2788 trivial. 0 not checked. [2022-07-20 00:56:35,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:35,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497452208] [2022-07-20 00:56:35,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497452208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:35,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:35,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:56:35,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028478451] [2022-07-20 00:56:35,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:35,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:56:35,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:35,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:56:35,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:56:35,896 INFO L87 Difference]: Start difference. First operand 22492 states and 31337 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-20 00:56:39,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:39,090 INFO L93 Difference]: Finished difference Result 55757 states and 80495 transitions. [2022-07-20 00:56:39,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:56:39,090 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 550 [2022-07-20 00:56:39,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:39,293 INFO L225 Difference]: With dead ends: 55757 [2022-07-20 00:56:39,293 INFO L226 Difference]: Without dead ends: 33316 [2022-07-20 00:56:39,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:56:39,375 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 967 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:39,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 3781 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-20 00:56:39,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33316 states. [2022-07-20 00:56:40,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33316 to 22516. [2022-07-20 00:56:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22516 states, 17048 states have (on average 1.385734396996715) internal successors, (23624), 17167 states have internal predecessors, (23624), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1580 states have return successors, (3850), 3813 states have call predecessors, (3850), 3850 states have call successors, (3850) [2022-07-20 00:56:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22516 states to 22516 states and 31361 transitions. [2022-07-20 00:56:40,549 INFO L78 Accepts]: Start accepts. Automaton has 22516 states and 31361 transitions. Word has length 550 [2022-07-20 00:56:40,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:40,549 INFO L495 AbstractCegarLoop]: Abstraction has 22516 states and 31361 transitions. [2022-07-20 00:56:40,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-20 00:56:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 22516 states and 31361 transitions. [2022-07-20 00:56:40,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-07-20 00:56:40,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:40,601 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:56:40,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 00:56:40,602 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:40,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:40,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2077924672, now seen corresponding path program 1 times [2022-07-20 00:56:40,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:40,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581127289] [2022-07-20 00:56:40,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:40,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:56:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:56:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:56:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:56:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 00:56:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:56:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-20 00:56:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 00:56:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 00:56:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-20 00:56:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 00:56:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-20 00:56:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-20 00:56:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2788 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2767 trivial. 0 not checked. [2022-07-20 00:56:41,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:41,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581127289] [2022-07-20 00:56:41,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581127289] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:56:41,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988295460] [2022-07-20 00:56:41,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:41,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:56:41,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:56:41,368 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) [2022-07-20 00:56:41,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 00:56:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:42,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 4162 conjuncts, 72 conjunts are in the unsatisfiable core [2022-07-20 00:56:42,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:56:42,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2788 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2761 trivial. 0 not checked. [2022-07-20 00:56:42,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:56:42,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988295460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:42,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:56:42,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 16 [2022-07-20 00:56:42,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97235078] [2022-07-20 00:56:42,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:42,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 00:56:42,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:42,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 00:56:42,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-07-20 00:56:42,648 INFO L87 Difference]: Start difference. First operand 22516 states and 31361 transitions. Second operand has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 8 states have internal predecessors, (152), 2 states have call successors, (54), 2 states have call predecessors, (54), 5 states have return successors, (48), 5 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-20 00:56:43,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:43,450 INFO L93 Difference]: Finished difference Result 46029 states and 64759 transitions. [2022-07-20 00:56:43,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:56:43,450 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 8 states have internal predecessors, (152), 2 states have call successors, (54), 2 states have call predecessors, (54), 5 states have return successors, (48), 5 states have call predecessors, (48), 2 states have call successors, (48) Word has length 550 [2022-07-20 00:56:43,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:43,549 INFO L225 Difference]: With dead ends: 46029 [2022-07-20 00:56:43,549 INFO L226 Difference]: Without dead ends: 23564 [2022-07-20 00:56:43,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 727 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2022-07-20 00:56:43,620 INFO L413 NwaCegarLoop]: 1147 mSDtfsCounter, 19 mSDsluCounter, 10288 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 11435 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:43,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 11435 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:56:43,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23564 states. [2022-07-20 00:56:44,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23564 to 23036. [2022-07-20 00:56:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23036 states, 17448 states have (on average 1.3791838606143971) internal successors, (24064), 17567 states have internal predecessors, (24064), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1700 states have return successors, (4154), 3933 states have call predecessors, (4154), 3850 states have call successors, (4154) [2022-07-20 00:56:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23036 states to 23036 states and 32105 transitions. [2022-07-20 00:56:44,577 INFO L78 Accepts]: Start accepts. Automaton has 23036 states and 32105 transitions. Word has length 550 [2022-07-20 00:56:44,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:44,578 INFO L495 AbstractCegarLoop]: Abstraction has 23036 states and 32105 transitions. [2022-07-20 00:56:44,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 8 states have internal predecessors, (152), 2 states have call successors, (54), 2 states have call predecessors, (54), 5 states have return successors, (48), 5 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-20 00:56:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 23036 states and 32105 transitions. [2022-07-20 00:56:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2022-07-20 00:56:44,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:44,642 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:56:44,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-20 00:56:44,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-20 00:56:44,856 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:44,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:44,856 INFO L85 PathProgramCache]: Analyzing trace with hash 792694368, now seen corresponding path program 1 times [2022-07-20 00:56:44,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:44,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696608688] [2022-07-20 00:56:44,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:44,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:56:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:56:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:56:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:56:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 00:56:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:56:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-20 00:56:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 00:56:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 00:56:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-20 00:56:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 00:56:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-20 00:56:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-20 00:56:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2934 trivial. 0 not checked. [2022-07-20 00:56:45,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:45,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696608688] [2022-07-20 00:56:45,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696608688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:45,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:56:45,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-20 00:56:45,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819507073] [2022-07-20 00:56:45,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:45,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 00:56:45,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:45,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 00:56:45,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:56:45,546 INFO L87 Difference]: Start difference. First operand 23036 states and 32105 transitions. Second operand has 13 states, 13 states have (on average 10.692307692307692) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (51), 7 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-20 00:56:49,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:49,755 INFO L93 Difference]: Finished difference Result 55741 states and 80479 transitions. [2022-07-20 00:56:49,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:56:49,756 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.692307692307692) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (51), 7 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 1 states have call successors, (45) Word has length 562 [2022-07-20 00:56:49,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:49,881 INFO L225 Difference]: With dead ends: 55741 [2022-07-20 00:56:49,882 INFO L226 Difference]: Without dead ends: 32756 [2022-07-20 00:56:49,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2022-07-20 00:56:49,952 INFO L413 NwaCegarLoop]: 1089 mSDtfsCounter, 1431 mSDsluCounter, 6943 mSDsCounter, 0 mSdLazyCounter, 3016 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 8032 SdHoareTripleChecker+Invalid, 3896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 3016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:49,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 8032 Invalid, 3896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 3016 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 00:56:49,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32756 states. [2022-07-20 00:56:51,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32756 to 23276. [2022-07-20 00:56:51,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23276 states, 17648 states have (on average 1.3748866727107887) internal successors, (24264), 17727 states have internal predecessors, (24264), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1740 states have return successors, (4234), 4013 states have call predecessors, (4234), 3850 states have call successors, (4234) [2022-07-20 00:56:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23276 states to 23276 states and 32385 transitions. [2022-07-20 00:56:51,365 INFO L78 Accepts]: Start accepts. Automaton has 23276 states and 32385 transitions. Word has length 562 [2022-07-20 00:56:51,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:51,366 INFO L495 AbstractCegarLoop]: Abstraction has 23276 states and 32385 transitions. [2022-07-20 00:56:51,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.692307692307692) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (51), 7 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-20 00:56:51,366 INFO L276 IsEmpty]: Start isEmpty. Operand 23276 states and 32385 transitions. [2022-07-20 00:56:51,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2022-07-20 00:56:51,420 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:51,420 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:56:51,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 00:56:51,421 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:51,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:51,421 INFO L85 PathProgramCache]: Analyzing trace with hash -227736213, now seen corresponding path program 1 times [2022-07-20 00:56:51,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:51,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427637608] [2022-07-20 00:56:51,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:51,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 00:56:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 00:56:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 00:56:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 00:56:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 00:56:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:56:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:56:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:56:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:56:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 00:56:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 00:56:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:56:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-20 00:56:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 00:56:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:56:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 00:56:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:56:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:56:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 00:56:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:56:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-20 00:56:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 00:56:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 00:56:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-20 00:56:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 00:56:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-20 00:56:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-20 00:56:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3022 backedges. 258 proven. 13 refuted. 0 times theorem prover too weak. 2751 trivial. 0 not checked. [2022-07-20 00:56:52,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:52,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427637608] [2022-07-20 00:56:52,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427637608] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:56:52,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521289853] [2022-07-20 00:56:52,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:52,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:56:52,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:56:52,254 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) [2022-07-20 00:56:52,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 00:56:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:53,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 4240 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-20 00:56:53,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:56:53,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3022 backedges. 1291 proven. 0 refuted. 0 times theorem prover too weak. 1731 trivial. 0 not checked. [2022-07-20 00:56:53,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:56:53,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521289853] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:56:53,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:56:53,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [21] total 23 [2022-07-20 00:56:53,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130829838] [2022-07-20 00:56:53,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:56:53,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 00:56:53,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:53,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 00:56:53,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2022-07-20 00:56:53,627 INFO L87 Difference]: Start difference. First operand 23276 states and 32385 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-20 00:56:54,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:56:54,481 INFO L93 Difference]: Finished difference Result 46660 states and 65077 transitions. [2022-07-20 00:56:54,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:56:54,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 568 [2022-07-20 00:56:54,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:56:54,568 INFO L225 Difference]: With dead ends: 46660 [2022-07-20 00:56:54,568 INFO L226 Difference]: Without dead ends: 23308 [2022-07-20 00:56:54,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 731 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2022-07-20 00:56:54,617 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 3 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3384 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:56:54,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3384 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:56:54,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23308 states. [2022-07-20 00:56:55,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23308 to 23308. [2022-07-20 00:56:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23308 states, 17680 states have (on average 1.37420814479638) internal successors, (24296), 17759 states have internal predecessors, (24296), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1740 states have return successors, (4234), 4013 states have call predecessors, (4234), 3850 states have call successors, (4234) [2022-07-20 00:56:55,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23308 states to 23308 states and 32417 transitions. [2022-07-20 00:56:55,433 INFO L78 Accepts]: Start accepts. Automaton has 23308 states and 32417 transitions. Word has length 568 [2022-07-20 00:56:55,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:56:55,434 INFO L495 AbstractCegarLoop]: Abstraction has 23308 states and 32417 transitions. [2022-07-20 00:56:55,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-20 00:56:55,434 INFO L276 IsEmpty]: Start isEmpty. Operand 23308 states and 32417 transitions. [2022-07-20 00:56:55,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2022-07-20 00:56:55,484 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:56:55,484 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:56:55,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:56:55,697 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,SelfDestructingSolverStorable13 [2022-07-20 00:56:55,698 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:56:55,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:56:55,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1408426491, now seen corresponding path program 1 times [2022-07-20 00:56:55,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:56:55,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622099187] [2022-07-20 00:56:55,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:55,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:56:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:56:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:56:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:56:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:56:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:56:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:56:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:56:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:56:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 00:56:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:56:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-20 00:56:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 00:56:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 00:56:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:56:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:56:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 00:56:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:56:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-20 00:56:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 00:56:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 00:56:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:56:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:56:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 00:56:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:56:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:56:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:56:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:56:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:56:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:56:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 00:56:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:56:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 00:56:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-20 00:56:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:56:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-20 00:56:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-20 00:56:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:56:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-07-20 00:56:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:56:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:56:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:56,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3236 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 3215 trivial. 0 not checked. [2022-07-20 00:56:56,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:56:56,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622099187] [2022-07-20 00:56:56,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622099187] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:56:56,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446016885] [2022-07-20 00:56:56,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:56:56,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:56:56,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:56:56,684 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) [2022-07-20 00:56:56,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 00:56:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:56:57,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 4350 conjuncts, 74 conjunts are in the unsatisfiable core [2022-07-20 00:56:57,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:56:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3236 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 3137 trivial. 0 not checked. [2022-07-20 00:56:57,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:56:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3236 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3215 trivial. 0 not checked. [2022-07-20 00:56:58,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446016885] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:56:58,904 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 00:56:58,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 16] total 38 [2022-07-20 00:56:58,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128189495] [2022-07-20 00:56:58,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 00:56:58,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-07-20 00:56:58,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:56:58,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-07-20 00:56:58,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1312, Unknown=0, NotChecked=0, Total=1406 [2022-07-20 00:56:58,907 INFO L87 Difference]: Start difference. First operand 23308 states and 32417 transitions. Second operand has 38 states, 38 states have (on average 5.368421052631579) internal successors, (204), 22 states have internal predecessors, (204), 4 states have call successors, (98), 7 states have call predecessors, (98), 12 states have return successors, (60), 15 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-20 00:57:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:57:08,810 INFO L93 Difference]: Finished difference Result 60317 states and 91503 transitions. [2022-07-20 00:57:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-07-20 00:57:08,811 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 5.368421052631579) internal successors, (204), 22 states have internal predecessors, (204), 4 states have call successors, (98), 7 states have call predecessors, (98), 12 states have return successors, (60), 15 states have call predecessors, (60), 4 states have call successors, (60) Word has length 572 [2022-07-20 00:57:08,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:57:08,992 INFO L225 Difference]: With dead ends: 60317 [2022-07-20 00:57:08,993 INFO L226 Difference]: Without dead ends: 37060 [2022-07-20 00:57:09,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1349 GetRequests, 1289 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=289, Invalid=3493, Unknown=0, NotChecked=0, Total=3782 [2022-07-20 00:57:09,195 INFO L413 NwaCegarLoop]: 1235 mSDtfsCounter, 600 mSDsluCounter, 29016 mSDsCounter, 0 mSdLazyCounter, 12327 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 30251 SdHoareTripleChecker+Invalid, 12672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 12327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:57:09,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 30251 Invalid, 12672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [345 Valid, 12327 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-07-20 00:57:09,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37060 states. [2022-07-20 00:57:10,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37060 to 24108. [2022-07-20 00:57:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24108 states, 18280 states have (on average 1.361925601750547) internal successors, (24896), 18399 states have internal predecessors, (24896), 3927 states have call successors, (3927), 1615 states have call predecessors, (3927), 1900 states have return successors, (4690), 4173 states have call predecessors, (4690), 3890 states have call successors, (4690) [2022-07-20 00:57:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24108 states to 24108 states and 33513 transitions. [2022-07-20 00:57:10,368 INFO L78 Accepts]: Start accepts. Automaton has 24108 states and 33513 transitions. Word has length 572 [2022-07-20 00:57:10,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:57:10,369 INFO L495 AbstractCegarLoop]: Abstraction has 24108 states and 33513 transitions. [2022-07-20 00:57:10,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 5.368421052631579) internal successors, (204), 22 states have internal predecessors, (204), 4 states have call successors, (98), 7 states have call predecessors, (98), 12 states have return successors, (60), 15 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-20 00:57:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 24108 states and 33513 transitions. [2022-07-20 00:57:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2022-07-20 00:57:10,413 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:57:10,414 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2022-07-20 00:57:10,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-20 00:57:10,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:57:10,615 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:57:10,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:57:10,615 INFO L85 PathProgramCache]: Analyzing trace with hash -916900571, now seen corresponding path program 1 times [2022-07-20 00:57:10,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:57:10,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809681376] [2022-07-20 00:57:10,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:57:10,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:57:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:57:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:57:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:10,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:57:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:57:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:57:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:57:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:57:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:57:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 00:57:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:57:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-20 00:57:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 00:57:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 00:57:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:57:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:57:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 00:57:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:57:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-20 00:57:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 00:57:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 00:57:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:57:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:57:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 00:57:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:57:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:57:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:57:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:57:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:57:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:57:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 00:57:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:57:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 00:57:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-20 00:57:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-20 00:57:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:57:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-20 00:57:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:57:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-20 00:57:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3398 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2022-07-20 00:57:11,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:57:11,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809681376] [2022-07-20 00:57:11,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809681376] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:57:11,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:57:11,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-20 00:57:11,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811436182] [2022-07-20 00:57:11,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:57:11,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 00:57:11,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:57:11,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 00:57:11,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:57:11,303 INFO L87 Difference]: Start difference. First operand 24108 states and 33513 transitions. Second operand has 12 states, 12 states have (on average 12.25) internal successors, (147), 5 states have internal predecessors, (147), 4 states have call successors, (51), 10 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-20 00:57:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:57:15,899 INFO L93 Difference]: Finished difference Result 60317 states and 89079 transitions. [2022-07-20 00:57:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 00:57:15,900 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.25) internal successors, (147), 5 states have internal predecessors, (147), 4 states have call successors, (51), 10 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 592 [2022-07-20 00:57:15,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:57:16,048 INFO L225 Difference]: With dead ends: 60317 [2022-07-20 00:57:16,049 INFO L226 Difference]: Without dead ends: 36260 [2022-07-20 00:57:16,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2022-07-20 00:57:16,123 INFO L413 NwaCegarLoop]: 1118 mSDtfsCounter, 927 mSDsluCounter, 6137 mSDsCounter, 0 mSdLazyCounter, 2941 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 7255 SdHoareTripleChecker+Invalid, 3359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 418 IncrementalHoareTripleChecker+Valid, 2941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:57:16,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 7255 Invalid, 3359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [418 Valid, 2941 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 00:57:16,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36260 states. [2022-07-20 00:57:17,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36260 to 26052. [2022-07-20 00:57:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26052 states, 19784 states have (on average 1.3598867771936918) internal successors, (26904), 19879 states have internal predecessors, (26904), 4279 states have call successors, (4279), 1703 states have call predecessors, (4279), 1988 states have return successors, (5266), 4549 states have call predecessors, (5266), 4242 states have call successors, (5266) [2022-07-20 00:57:17,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26052 states to 26052 states and 36449 transitions. [2022-07-20 00:57:17,490 INFO L78 Accepts]: Start accepts. Automaton has 26052 states and 36449 transitions. Word has length 592 [2022-07-20 00:57:17,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:57:17,490 INFO L495 AbstractCegarLoop]: Abstraction has 26052 states and 36449 transitions. [2022-07-20 00:57:17,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.25) internal successors, (147), 5 states have internal predecessors, (147), 4 states have call successors, (51), 10 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-20 00:57:17,491 INFO L276 IsEmpty]: Start isEmpty. Operand 26052 states and 36449 transitions. [2022-07-20 00:57:17,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-07-20 00:57:17,543 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:57:17,543 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2022-07-20 00:57:17,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 00:57:17,544 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:57:17,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:57:17,544 INFO L85 PathProgramCache]: Analyzing trace with hash 444209414, now seen corresponding path program 1 times [2022-07-20 00:57:17,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:57:17,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555250935] [2022-07-20 00:57:17,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:57:17,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:57:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:57:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:57:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:57:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:57:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:57:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:57:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:57:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:57:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 00:57:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:57:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-20 00:57:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 00:57:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 00:57:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:57:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 00:57:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 00:57:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 00:57:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-20 00:57:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 00:57:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 00:57:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 00:57:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 00:57:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 00:57:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:57:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 00:57:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:57:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 00:57:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:57:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:57:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 00:57:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-20 00:57:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 00:57:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-20 00:57:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-20 00:57:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:57:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-20 00:57:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:57:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-20 00:57:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3398 backedges. 258 proven. 13 refuted. 0 times theorem prover too weak. 3127 trivial. 0 not checked. [2022-07-20 00:57:18,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:57:18,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555250935] [2022-07-20 00:57:18,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555250935] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:57:18,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862082741] [2022-07-20 00:57:18,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:57:18,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:57:18,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:57:18,501 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) [2022-07-20 00:57:18,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 00:57:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:21,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 4512 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-20 00:57:21,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:57:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3398 backedges. 1336 proven. 1 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-07-20 00:57:22,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:57:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3398 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 3292 trivial. 0 not checked. [2022-07-20 00:57:22,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862082741] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:57:22,494 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 00:57:22,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 5, 5] total 27 [2022-07-20 00:57:22,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732189574] [2022-07-20 00:57:22,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 00:57:22,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-20 00:57:22,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:57:22,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-20 00:57:22,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-07-20 00:57:22,496 INFO L87 Difference]: Start difference. First operand 26052 states and 36449 transitions. Second operand has 27 states, 26 states have (on average 10.961538461538462) internal successors, (285), 20 states have internal predecessors, (285), 8 states have call successors, (135), 8 states have call predecessors, (135), 8 states have return successors, (112), 7 states have call predecessors, (112), 7 states have call successors, (112) [2022-07-20 00:57:42,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:57:42,011 INFO L93 Difference]: Finished difference Result 84442 states and 121981 transitions. [2022-07-20 00:57:42,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-07-20 00:57:42,013 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 10.961538461538462) internal successors, (285), 20 states have internal predecessors, (285), 8 states have call successors, (135), 8 states have call predecessors, (135), 8 states have return successors, (112), 7 states have call predecessors, (112), 7 states have call successors, (112) Word has length 589 [2022-07-20 00:57:42,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:57:42,271 INFO L225 Difference]: With dead ends: 84442 [2022-07-20 00:57:42,271 INFO L226 Difference]: Without dead ends: 58314 [2022-07-20 00:57:42,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1453 GetRequests, 1348 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3254 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1310, Invalid=10032, Unknown=0, NotChecked=0, Total=11342 [2022-07-20 00:57:42,343 INFO L413 NwaCegarLoop]: 2022 mSDtfsCounter, 4921 mSDsluCounter, 25021 mSDsCounter, 0 mSdLazyCounter, 22170 mSolverCounterSat, 2823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5095 SdHoareTripleChecker+Valid, 27043 SdHoareTripleChecker+Invalid, 24993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2823 IncrementalHoareTripleChecker+Valid, 22170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:57:42,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5095 Valid, 27043 Invalid, 24993 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2823 Valid, 22170 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2022-07-20 00:57:42,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58314 states. [2022-07-20 00:57:44,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58314 to 42621. [2022-07-20 00:57:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42621 states, 32387 states have (on average 1.3669064748201438) internal successors, (44270), 32832 states have internal predecessors, (44270), 6685 states have call successors, (6685), 2971 states have call predecessors, (6685), 3548 states have return successors, (8808), 6897 states have call predecessors, (8808), 6648 states have call successors, (8808) [2022-07-20 00:57:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42621 states to 42621 states and 59763 transitions. [2022-07-20 00:57:44,690 INFO L78 Accepts]: Start accepts. Automaton has 42621 states and 59763 transitions. Word has length 589 [2022-07-20 00:57:44,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:57:44,690 INFO L495 AbstractCegarLoop]: Abstraction has 42621 states and 59763 transitions. [2022-07-20 00:57:44,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 10.961538461538462) internal successors, (285), 20 states have internal predecessors, (285), 8 states have call successors, (135), 8 states have call predecessors, (135), 8 states have return successors, (112), 7 states have call predecessors, (112), 7 states have call successors, (112) [2022-07-20 00:57:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 42621 states and 59763 transitions. [2022-07-20 00:57:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-07-20 00:57:44,786 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:57:44,787 INFO L195 NwaCegarLoop]: trace histogram [48, 20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:57:44,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-20 00:57:44,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-20 00:57:44,987 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:57:44,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:57:44,988 INFO L85 PathProgramCache]: Analyzing trace with hash 974816030, now seen corresponding path program 1 times [2022-07-20 00:57:44,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:57:44,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476054677] [2022-07-20 00:57:44,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:57:44,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:57:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:57:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:57:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:57:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:57:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:57:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:57:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:57:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:57:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 00:57:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 00:57:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 00:57:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:57:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 00:57:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 00:57:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:57:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:57:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:57:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-20 00:57:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:57:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 00:57:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-20 00:57:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:57:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 00:57:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 00:57:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:57:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-20 00:57:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 00:57:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 00:57:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-20 00:57:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-20 00:57:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:57:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:57:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-20 00:57:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-20 00:57:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-20 00:57:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-20 00:57:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-20 00:57:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-20 00:57:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:57:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-07-20 00:57:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:57:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-20 00:57:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:45,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4829 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4827 trivial. 0 not checked. [2022-07-20 00:57:45,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:57:45,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476054677] [2022-07-20 00:57:45,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476054677] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:57:45,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:57:45,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-20 00:57:45,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556905187] [2022-07-20 00:57:45,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:57:45,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 00:57:45,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:57:45,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 00:57:45,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:57:45,733 INFO L87 Difference]: Start difference. First operand 42621 states and 59763 transitions. Second operand has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 5 states have internal predecessors, (155), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-20 00:57:52,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:57:52,072 INFO L93 Difference]: Finished difference Result 101975 states and 150493 transitions. [2022-07-20 00:57:52,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-20 00:57:52,072 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 5 states have internal predecessors, (155), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 629 [2022-07-20 00:57:52,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:57:52,312 INFO L225 Difference]: With dead ends: 101975 [2022-07-20 00:57:52,312 INFO L226 Difference]: Without dead ends: 59414 [2022-07-20 00:57:52,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2022-07-20 00:57:52,561 INFO L413 NwaCegarLoop]: 1089 mSDtfsCounter, 2372 mSDsluCounter, 5073 mSDsCounter, 0 mSdLazyCounter, 4794 mSolverCounterSat, 1375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 6162 SdHoareTripleChecker+Invalid, 6169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1375 IncrementalHoareTripleChecker+Valid, 4794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:57:52,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2424 Valid, 6162 Invalid, 6169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1375 Valid, 4794 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 00:57:52,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59414 states. [2022-07-20 00:57:54,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59414 to 45117. [2022-07-20 00:57:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45117 states, 34195 states have (on average 1.3631817517180875) internal successors, (46614), 34560 states have internal predecessors, (46614), 7293 states have call successors, (7293), 3067 states have call predecessors, (7293), 3628 states have return successors, (9920), 7569 states have call predecessors, (9920), 7256 states have call successors, (9920) [2022-07-20 00:57:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45117 states to 45117 states and 63827 transitions. [2022-07-20 00:57:54,771 INFO L78 Accepts]: Start accepts. Automaton has 45117 states and 63827 transitions. Word has length 629 [2022-07-20 00:57:54,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:57:54,771 INFO L495 AbstractCegarLoop]: Abstraction has 45117 states and 63827 transitions. [2022-07-20 00:57:54,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.923076923076923) internal successors, (155), 5 states have internal predecessors, (155), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-20 00:57:54,772 INFO L276 IsEmpty]: Start isEmpty. Operand 45117 states and 63827 transitions. [2022-07-20 00:57:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2022-07-20 00:57:54,859 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:57:54,860 INFO L195 NwaCegarLoop]: trace histogram [48, 20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:57:54,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 00:57:54,860 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:57:54,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:57:54,861 INFO L85 PathProgramCache]: Analyzing trace with hash 463630745, now seen corresponding path program 1 times [2022-07-20 00:57:54,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:57:54,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784682882] [2022-07-20 00:57:54,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:57:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:57:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:57:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:57:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:57:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:57:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:57:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:57:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:57:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:57:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 00:57:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 00:57:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 00:57:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:57:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 00:57:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 00:57:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:57:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:57:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:57:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-20 00:57:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:57:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 00:57:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-20 00:57:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:57:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 00:57:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 00:57:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:57:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-20 00:57:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 00:57:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 00:57:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-20 00:57:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-20 00:57:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:57:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:57:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-20 00:57:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:57:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-20 00:57:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-20 00:57:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-20 00:57:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-20 00:57:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-20 00:57:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:57:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-20 00:57:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:57:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:57:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:57:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2022-07-20 00:57:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:57:55,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4829 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4827 trivial. 0 not checked. [2022-07-20 00:57:55,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:57:55,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784682882] [2022-07-20 00:57:55,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784682882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:57:55,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:57:55,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-20 00:57:55,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779132314] [2022-07-20 00:57:55,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:57:55,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 00:57:55,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:57:55,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 00:57:55,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:57:55,685 INFO L87 Difference]: Start difference. First operand 45117 states and 63827 transitions. Second operand has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-20 00:58:02,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:58:02,618 INFO L93 Difference]: Finished difference Result 103648 states and 153238 transitions. [2022-07-20 00:58:02,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-20 00:58:02,619 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 632 [2022-07-20 00:58:02,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:58:02,829 INFO L225 Difference]: With dead ends: 103648 [2022-07-20 00:58:02,829 INFO L226 Difference]: Without dead ends: 58591 [2022-07-20 00:58:02,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2022-07-20 00:58:02,929 INFO L413 NwaCegarLoop]: 1081 mSDtfsCounter, 1838 mSDsluCounter, 5479 mSDsCounter, 0 mSdLazyCounter, 5378 mSolverCounterSat, 897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 6560 SdHoareTripleChecker+Invalid, 6275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 897 IncrementalHoareTripleChecker+Valid, 5378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:58:02,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 6560 Invalid, 6275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [897 Valid, 5378 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 00:58:02,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58591 states. [2022-07-20 00:58:05,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58591 to 45670. [2022-07-20 00:58:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45670 states, 34655 states have (on average 1.3627470783436733) internal successors, (47226), 34924 states have internal predecessors, (47226), 7402 states have call successors, (7402), 3018 states have call predecessors, (7402), 3612 states have return successors, (10184), 7791 states have call predecessors, (10184), 7400 states have call successors, (10184) [2022-07-20 00:58:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45670 states to 45670 states and 64812 transitions. [2022-07-20 00:58:05,536 INFO L78 Accepts]: Start accepts. Automaton has 45670 states and 64812 transitions. Word has length 632 [2022-07-20 00:58:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:58:05,537 INFO L495 AbstractCegarLoop]: Abstraction has 45670 states and 64812 transitions. [2022-07-20 00:58:05,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-20 00:58:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 45670 states and 64812 transitions. [2022-07-20 00:58:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2022-07-20 00:58:05,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:58:05,643 INFO L195 NwaCegarLoop]: trace histogram [48, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:58:05,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 00:58:05,644 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:58:05,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:58:05,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1554524848, now seen corresponding path program 1 times [2022-07-20 00:58:05,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:58:05,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535740440] [2022-07-20 00:58:05,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:58:05,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:58:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:58:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:58:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:58:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:58:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:58:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:58:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:58:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:58:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:58:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 00:58:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 00:58:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 00:58:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:58:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 00:58:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 00:58:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:58:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:58:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:58:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-20 00:58:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:58:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 00:58:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-20 00:58:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:58:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 00:58:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 00:58:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:58:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-20 00:58:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 00:58:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 00:58:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-20 00:58:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-20 00:58:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:58:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:58:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-20 00:58:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-20 00:58:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-20 00:58:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-20 00:58:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:58:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:58:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-20 00:58:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:58:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:58:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-07-20 00:58:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:58:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4952 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4952 trivial. 0 not checked. [2022-07-20 00:58:06,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:58:06,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535740440] [2022-07-20 00:58:06,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535740440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:58:06,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:58:06,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 00:58:06,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659263898] [2022-07-20 00:58:06,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:58:06,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:58:06,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:58:06,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:58:06,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 00:58:06,263 INFO L87 Difference]: Start difference. First operand 45670 states and 64812 transitions. Second operand has 8 states, 8 states have (on average 20.375) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-20 00:58:11,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:58:11,245 INFO L93 Difference]: Finished difference Result 101576 states and 148262 transitions. [2022-07-20 00:58:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:58:11,246 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 657 [2022-07-20 00:58:11,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:58:11,443 INFO L225 Difference]: With dead ends: 101576 [2022-07-20 00:58:11,443 INFO L226 Difference]: Without dead ends: 55966 [2022-07-20 00:58:11,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:58:11,534 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 497 mSDsluCounter, 3078 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 4138 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:58:11,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 4138 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-20 00:58:11,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55966 states. [2022-07-20 00:58:13,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55966 to 45694. [2022-07-20 00:58:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45694 states, 34679 states have (on average 1.3624960350644482) internal successors, (47250), 34948 states have internal predecessors, (47250), 7402 states have call successors, (7402), 3018 states have call predecessors, (7402), 3612 states have return successors, (10184), 7791 states have call predecessors, (10184), 7400 states have call successors, (10184) [2022-07-20 00:58:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45694 states to 45694 states and 64836 transitions. [2022-07-20 00:58:13,889 INFO L78 Accepts]: Start accepts. Automaton has 45694 states and 64836 transitions. Word has length 657 [2022-07-20 00:58:13,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:58:13,889 INFO L495 AbstractCegarLoop]: Abstraction has 45694 states and 64836 transitions. [2022-07-20 00:58:13,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 3 states have internal predecessors, (163), 2 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-20 00:58:13,890 INFO L276 IsEmpty]: Start isEmpty. Operand 45694 states and 64836 transitions. [2022-07-20 00:58:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2022-07-20 00:58:14,149 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:58:14,149 INFO L195 NwaCegarLoop]: trace histogram [48, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:58:14,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 00:58:14,150 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:58:14,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:58:14,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1267951664, now seen corresponding path program 1 times [2022-07-20 00:58:14,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:58:14,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486925187] [2022-07-20 00:58:14,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:58:14,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:58:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:58:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:58:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:58:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:58:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:58:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:58:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:58:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:58:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 00:58:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 00:58:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 00:58:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 00:58:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 00:58:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 00:58:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 00:58:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:58:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:58:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 00:58:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-20 00:58:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:58:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 00:58:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-20 00:58:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:58:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-20 00:58:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-20 00:58:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 00:58:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-20 00:58:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 00:58:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 00:58:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-20 00:58:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-20 00:58:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 00:58:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 00:58:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-20 00:58:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:58:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-20 00:58:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-20 00:58:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:58:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:58:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-20 00:58:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 00:58:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:58:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-07-20 00:58:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:58:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:58:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:58:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4968 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 4932 trivial. 0 not checked. [2022-07-20 00:58:14,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:58:14,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486925187] [2022-07-20 00:58:14,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486925187] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:58:14,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180520919] [2022-07-20 00:58:14,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:58:14,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:58:14,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:58:14,976 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) [2022-07-20 00:58:14,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process