./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-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.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 b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:16:39,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:16:39,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:16:39,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:16:39,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:16:39,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:16:39,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:16:39,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:16:39,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:16:39,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:16:39,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:16:39,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:16:39,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:16:39,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:16:39,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:16:39,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:16:39,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:16:39,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:16:39,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:16:39,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:16:39,410 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:16:39,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:16:39,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:16:39,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:16:39,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:16:39,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:16:39,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:16:39,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:16:39,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:16:39,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:16:39,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:16:39,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:16:39,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:16:39,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:16:39,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:16:39,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:16:39,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:16:39,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:16:39,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:16:39,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:16:39,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:16:39,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:16:39,434 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:16:39,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:16:39,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:16:39,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:16:39,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:16:39,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:16:39,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:16:39,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:16:39,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:16:39,468 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:16:39,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:16:39,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:16:39,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:16:39,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:16:39,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:16:39,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:16:39,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:16:39,470 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:16:39,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:16:39,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:16:39,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:16:39,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:16:39,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:16:39,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:16:39,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:16:39,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:16:39,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:16:39,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:16:39,477 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:16:39,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:16:39,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:16:39,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e [2022-07-12 14:16:39,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:16:39,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:16:39,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:16:39,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:16:39,764 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:16:39,765 INFO L432 ainManager$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-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2022-07-12 14:16:39,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9807ae065/d5eb05b7b9ba46f09c1f5a19c68014f9/FLAGca28fd9c1 [2022-07-12 14:16:40,559 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:16:40,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2022-07-12 14:16:40,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9807ae065/d5eb05b7b9ba46f09c1f5a19c68014f9/FLAGca28fd9c1 [2022-07-12 14:16:40,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9807ae065/d5eb05b7b9ba46f09c1f5a19c68014f9 [2022-07-12 14:16:40,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:16:40,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:16:40,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:16:40,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:16:40,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:16:40,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:16:40" (1/1) ... [2022-07-12 14:16:40,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383a041b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:40, skipping insertion in model container [2022-07-12 14:16:40,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:16:40" (1/1) ... [2022-07-12 14:16:40,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:16:40,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:16:41,943 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-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2022-07-12 14:16:41,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:16:42,023 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:16:42,263 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-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2022-07-12 14:16:42,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:16:42,414 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:16:42,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42 WrapperNode [2022-07-12 14:16:42,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:16:42,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:16:42,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:16:42,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:16:42,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,601 INFO L137 Inliner]: procedures = 151, calls = 691, calls flagged for inlining = 70, calls inlined = 67, statements flattened = 1814 [2022-07-12 14:16:42,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:16:42,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:16:42,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:16:42,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:16:42,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:16:42,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:16:42,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:16:42,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:16:42,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (1/1) ... [2022-07-12 14:16:42,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:16:42,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:16:42,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 14:16:42,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 14:16:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2022-07-12 14:16:42,889 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2022-07-12 14:16:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-07-12 14:16:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-07-12 14:16:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2022-07-12 14:16:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2022-07-12 14:16:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:16:42,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:16:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:16:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:16:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:16:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-12 14:16:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-12 14:16:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:16:42,891 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:16:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2022-07-12 14:16:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2022-07-12 14:16:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2022-07-12 14:16:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2022-07-12 14:16:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:16:42,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:16:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:16:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:16:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:16:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:16:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:16:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:16:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2022-07-12 14:16:42,893 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2022-07-12 14:16:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:16:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2022-07-12 14:16:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2022-07-12 14:16:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:16:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:16:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2022-07-12 14:16:42,894 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2022-07-12 14:16:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:16:42,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:16:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:16:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:16:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:16:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:16:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2022-07-12 14:16:42,903 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2022-07-12 14:16:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:16:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2022-07-12 14:16:42,904 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2022-07-12 14:16:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:16:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:16:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:16:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 14:16:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 14:16:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-12 14:16:42,905 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-12 14:16:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 14:16:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 14:16:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:16:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 14:16:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 14:16:42,906 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2022-07-12 14:16:42,906 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2022-07-12 14:16:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:16:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:16:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:16:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:16:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:16:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:16:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2022-07-12 14:16:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2022-07-12 14:16:42,908 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2022-07-12 14:16:42,908 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2022-07-12 14:16:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 14:16:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 14:16:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 14:16:42,909 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 14:16:42,909 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-12 14:16:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-12 14:16:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:16:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:16:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 14:16:42,910 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 14:16:42,910 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:16:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:16:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2022-07-12 14:16:42,911 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2022-07-12 14:16:42,911 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 14:16:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 14:16:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:16:42,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:16:42,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:16:43,311 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:16:43,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:16:43,965 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:16:44,719 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:16:44,731 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:16:44,732 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:16:44,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:16:44 BoogieIcfgContainer [2022-07-12 14:16:44,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:16:44,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:16:44,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:16:44,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:16:44,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:16:40" (1/3) ... [2022-07-12 14:16:44,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b628ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:16:44, skipping insertion in model container [2022-07-12 14:16:44,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:16:42" (2/3) ... [2022-07-12 14:16:44,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b628ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:16:44, skipping insertion in model container [2022-07-12 14:16:44,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:16:44" (3/3) ... [2022-07-12 14:16:44,744 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2022-07-12 14:16:44,759 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:16:44,759 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:16:44,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:16:44,902 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@53b4c42f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@20b83cb0 [2022-07-12 14:16:44,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:16:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 785 states, 522 states have (on average 1.4003831417624522) internal successors, (731), 537 states have internal predecessors, (731), 223 states have call successors, (223), 39 states have call predecessors, (223), 38 states have return successors, (218), 216 states have call predecessors, (218), 218 states have call successors, (218) [2022-07-12 14:16:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-12 14:16:44,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:16:44,962 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 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, 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] [2022-07-12 14:16:44,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:16:44,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:16:44,971 INFO L85 PathProgramCache]: Analyzing trace with hash -140074241, now seen corresponding path program 1 times [2022-07-12 14:16:44,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:16:44,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792834339] [2022-07-12 14:16:44,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:16:44,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:16:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:16:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:16:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:16:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:16:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:16:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 14:16:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 14:16:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:16:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:16:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:16:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:16:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 14:16:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:16:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:16:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 14:16:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:16:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:16:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:16:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 14:16:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:16:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:16:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 14:16:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:16:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:16:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:16:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:16:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:16:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:16:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:45,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 14:16:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:16:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:16:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 14:16:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:16:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:16:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 14:16:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:16:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 14:16:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:16:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:16:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 14:16:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:16:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:16:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-12 14:16:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-12 14:16:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-12 14:16:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:16:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:16:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:16:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:16:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:16:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:16:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2455 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2455 trivial. 0 not checked. [2022-07-12 14:16:46,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:16:46,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792834339] [2022-07-12 14:16:46,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792834339] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:16:46,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:16:46,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:16:46,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144861538] [2022-07-12 14:16:46,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:16:46,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:16:46,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:16:46,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:16:46,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:16:46,351 INFO L87 Difference]: Start difference. First operand has 785 states, 522 states have (on average 1.4003831417624522) internal successors, (731), 537 states have internal predecessors, (731), 223 states have call successors, (223), 39 states have call predecessors, (223), 38 states have return successors, (218), 216 states have call predecessors, (218), 218 states have call successors, (218) Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-12 14:16:50,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:16:50,554 INFO L93 Difference]: Finished difference Result 1787 states and 2819 transitions. [2022-07-12 14:16:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 14:16:50,556 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 331 [2022-07-12 14:16:50,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:16:50,579 INFO L225 Difference]: With dead ends: 1787 [2022-07-12 14:16:50,579 INFO L226 Difference]: Without dead ends: 985 [2022-07-12 14:16:50,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2022-07-12 14:16:50,596 INFO L413 NwaCegarLoop]: 966 mSDtfsCounter, 2033 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 2677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2056 SdHoareTripleChecker+Valid, 2224 SdHoareTripleChecker+Invalid, 4007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2677 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:16:50,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2056 Valid, 2224 Invalid, 4007 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2677 Valid, 1330 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 14:16:50,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2022-07-12 14:16:50,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 763. [2022-07-12 14:16:50,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 509 states have (on average 1.306483300589391) internal successors, (665), 517 states have internal predecessors, (665), 216 states have call successors, (216), 38 states have call predecessors, (216), 37 states have return successors, (215), 213 states have call predecessors, (215), 215 states have call successors, (215) [2022-07-12 14:16:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1096 transitions. [2022-07-12 14:16:50,800 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1096 transitions. Word has length 331 [2022-07-12 14:16:50,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:16:50,803 INFO L495 AbstractCegarLoop]: Abstraction has 763 states and 1096 transitions. [2022-07-12 14:16:50,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-12 14:16:50,804 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1096 transitions. [2022-07-12 14:16:50,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-07-12 14:16:50,815 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:16:50,815 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 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, 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] [2022-07-12 14:16:50,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:16:50,817 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:16:50,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:16:50,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1422424152, now seen corresponding path program 1 times [2022-07-12 14:16:50,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:16:50,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170320520] [2022-07-12 14:16:50,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:16:50,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:16:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:16:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:16:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:16:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:16:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:16:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-12 14:16:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 14:16:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:16:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:16:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:16:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:16:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:16:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 14:16:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:16:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:16:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:16:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:16:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 14:16:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:16:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:16:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 14:16:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:16:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:16:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:16:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:16:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 14:16:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:16:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:16:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 14:16:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 14:16:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 14:16:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:16:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:16:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:16:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:16:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:16:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:16:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-12 14:16:51,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:16:51,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170320520] [2022-07-12 14:16:51,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170320520] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:16:51,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:16:51,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 14:16:51,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867768189] [2022-07-12 14:16:51,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:16:51,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 14:16:51,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:16:51,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 14:16:51,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-12 14:16:51,450 INFO L87 Difference]: Start difference. First operand 763 states and 1096 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 14:16:58,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:16:58,706 INFO L93 Difference]: Finished difference Result 2608 states and 3796 transitions. [2022-07-12 14:16:58,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-12 14:16:58,707 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 305 [2022-07-12 14:16:58,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:16:58,723 INFO L225 Difference]: With dead ends: 2608 [2022-07-12 14:16:58,724 INFO L226 Difference]: Without dead ends: 1855 [2022-07-12 14:16:58,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-07-12 14:16:58,731 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 3975 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 4682 mSolverCounterSat, 4482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4079 SdHoareTripleChecker+Valid, 3172 SdHoareTripleChecker+Invalid, 9164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4482 IncrementalHoareTripleChecker+Valid, 4682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:16:58,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4079 Valid, 3172 Invalid, 9164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4482 Valid, 4682 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-12 14:16:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2022-07-12 14:16:58,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1510. [2022-07-12 14:16:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1005 states have (on average 1.3044776119402985) internal successors, (1311), 1025 states have internal predecessors, (1311), 429 states have call successors, (429), 76 states have call predecessors, (429), 75 states have return successors, (428), 420 states have call predecessors, (428), 428 states have call successors, (428) [2022-07-12 14:16:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2168 transitions. [2022-07-12 14:16:58,862 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2168 transitions. Word has length 305 [2022-07-12 14:16:58,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:16:58,863 INFO L495 AbstractCegarLoop]: Abstraction has 1510 states and 2168 transitions. [2022-07-12 14:16:58,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 14:16:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2168 transitions. [2022-07-12 14:16:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-12 14:16:58,877 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:16:58,877 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 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, 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] [2022-07-12 14:16:58,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:16:58,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:16:58,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:16:58,879 INFO L85 PathProgramCache]: Analyzing trace with hash 270151189, now seen corresponding path program 1 times [2022-07-12 14:16:58,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:16:58,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024259806] [2022-07-12 14:16:58,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:16:58,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:16:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:16:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:16:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:16:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:16:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:16:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 14:16:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 14:16:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:16:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:16:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:16:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:16:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:16:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 14:16:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:16:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:16:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:16:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:16:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 14:16:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:16:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:16:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 14:16:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:16:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:16:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:16:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:16:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 14:16:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:16:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:16:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:16:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:16:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:16:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 14:16:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-12 14:16:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 14:16:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:16:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:16:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:16:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:16:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:16:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:16:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:16:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-12 14:16:59,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:16:59,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024259806] [2022-07-12 14:16:59,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024259806] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:16:59,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:16:59,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 14:16:59,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705846228] [2022-07-12 14:16:59,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:16:59,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 14:16:59,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:16:59,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 14:16:59,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-12 14:16:59,510 INFO L87 Difference]: Start difference. First operand 1510 states and 2168 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 14:17:06,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:17:06,331 INFO L93 Difference]: Finished difference Result 5195 states and 7552 transitions. [2022-07-12 14:17:06,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-12 14:17:06,332 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 307 [2022-07-12 14:17:06,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:17:06,362 INFO L225 Difference]: With dead ends: 5195 [2022-07-12 14:17:06,362 INFO L226 Difference]: Without dead ends: 3695 [2022-07-12 14:17:06,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-07-12 14:17:06,374 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 3425 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 5334 mSolverCounterSat, 3746 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3529 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 9080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3746 IncrementalHoareTripleChecker+Valid, 5334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:17:06,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3529 Valid, 3634 Invalid, 9080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3746 Valid, 5334 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-12 14:17:06,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3695 states. [2022-07-12 14:17:06,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3695 to 3010. [2022-07-12 14:17:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2004 states have (on average 1.3028942115768463) internal successors, (2611), 2043 states have internal predecessors, (2611), 854 states have call successors, (854), 152 states have call predecessors, (854), 151 states have return successors, (853), 838 states have call predecessors, (853), 853 states have call successors, (853) [2022-07-12 14:17:06,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4318 transitions. [2022-07-12 14:17:06,635 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4318 transitions. Word has length 307 [2022-07-12 14:17:06,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:17:06,635 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4318 transitions. [2022-07-12 14:17:06,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 4 states have internal predecessors, (85), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 14:17:06,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4318 transitions. [2022-07-12 14:17:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-12 14:17:06,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:17:06,653 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 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, 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] [2022-07-12 14:17:06,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:17:06,655 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:17:06,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:17:06,656 INFO L85 PathProgramCache]: Analyzing trace with hash 556408911, now seen corresponding path program 1 times [2022-07-12 14:17:06,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:17:06,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688045412] [2022-07-12 14:17:06,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:06,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:17:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:17:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 14:17:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 14:17:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 14:17:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 14:17:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:17:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 14:17:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:17:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 14:17:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 14:17:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 14:17:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-12 14:17:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:17:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:17:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:17:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:17:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-12 14:17:07,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:17:07,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688045412] [2022-07-12 14:17:07,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688045412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:17:07,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:17:07,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 14:17:07,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50020374] [2022-07-12 14:17:07,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:17:07,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 14:17:07,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:17:07,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 14:17:07,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-12 14:17:07,169 INFO L87 Difference]: Start difference. First operand 3010 states and 4318 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 14:17:13,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:17:13,828 INFO L93 Difference]: Finished difference Result 10379 states and 15063 transitions. [2022-07-12 14:17:13,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-12 14:17:13,829 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 306 [2022-07-12 14:17:13,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:17:13,891 INFO L225 Difference]: With dead ends: 10379 [2022-07-12 14:17:13,891 INFO L226 Difference]: Without dead ends: 7379 [2022-07-12 14:17:13,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-07-12 14:17:13,920 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 4064 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 4458 mSolverCounterSat, 4507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4168 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 8965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4507 IncrementalHoareTripleChecker+Valid, 4458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:17:13,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 3263 Invalid, 8965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4507 Valid, 4458 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-12 14:17:13,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-07-12 14:17:14,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 6012. [2022-07-12 14:17:14,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6012 states, 4004 states have (on average 1.300949050949051) internal successors, (5209), 4080 states have internal predecessors, (5209), 1703 states have call successors, (1703), 305 states have call predecessors, (1703), 304 states have return successors, (1702), 1674 states have call predecessors, (1702), 1702 states have call successors, (1702) [2022-07-12 14:17:14,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6012 states to 6012 states and 8614 transitions. [2022-07-12 14:17:14,434 INFO L78 Accepts]: Start accepts. Automaton has 6012 states and 8614 transitions. Word has length 306 [2022-07-12 14:17:14,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:17:14,436 INFO L495 AbstractCegarLoop]: Abstraction has 6012 states and 8614 transitions. [2022-07-12 14:17:14,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 14:17:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 6012 states and 8614 transitions. [2022-07-12 14:17:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-12 14:17:14,465 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:17:14,466 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 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, 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] [2022-07-12 14:17:14,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:17:14,468 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:17:14,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:17:14,468 INFO L85 PathProgramCache]: Analyzing trace with hash 776507372, now seen corresponding path program 1 times [2022-07-12 14:17:14,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:17:14,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166690926] [2022-07-12 14:17:14,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:14,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:17:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:17:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:17:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 14:17:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:17:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-12 14:17:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 14:17:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:17:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:17:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 14:17:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 14:17:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 14:17:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 14:17:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:17:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:17:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:17:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:17:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1708 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-12 14:17:14,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:17:14,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166690926] [2022-07-12 14:17:14,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166690926] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:17:14,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:17:14,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 14:17:14,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504575350] [2022-07-12 14:17:14,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:17:14,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 14:17:14,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:17:14,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 14:17:14,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-12 14:17:14,971 INFO L87 Difference]: Start difference. First operand 6012 states and 8614 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 14:17:21,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:17:21,292 INFO L93 Difference]: Finished difference Result 20438 states and 29583 transitions. [2022-07-12 14:17:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-12 14:17:21,293 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 308 [2022-07-12 14:17:21,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:17:21,400 INFO L225 Difference]: With dead ends: 20438 [2022-07-12 14:17:21,400 INFO L226 Difference]: Without dead ends: 14436 [2022-07-12 14:17:21,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-07-12 14:17:21,443 INFO L413 NwaCegarLoop]: 1014 mSDtfsCounter, 4073 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 4446 mSolverCounterSat, 4574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4177 SdHoareTripleChecker+Valid, 3078 SdHoareTripleChecker+Invalid, 9020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4574 IncrementalHoareTripleChecker+Valid, 4446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:17:21,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4177 Valid, 3078 Invalid, 9020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4574 Valid, 4446 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-12 14:17:21,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14436 states. [2022-07-12 14:17:22,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14436 to 11837. [2022-07-12 14:17:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11837 states, 7892 states have (on average 1.2986568677141408) internal successors, (10249), 8035 states have internal predecessors, (10249), 3336 states have call successors, (3336), 609 states have call predecessors, (3336), 608 states have return successors, (3335), 3285 states have call predecessors, (3335), 3335 states have call successors, (3335) [2022-07-12 14:17:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11837 states to 11837 states and 16920 transitions. [2022-07-12 14:17:22,509 INFO L78 Accepts]: Start accepts. Automaton has 11837 states and 16920 transitions. Word has length 308 [2022-07-12 14:17:22,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:17:22,510 INFO L495 AbstractCegarLoop]: Abstraction has 11837 states and 16920 transitions. [2022-07-12 14:17:22,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (38), 8 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 14:17:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 11837 states and 16920 transitions. [2022-07-12 14:17:22,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-12 14:17:22,534 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:17:22,535 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 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, 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] [2022-07-12 14:17:22,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 14:17:22,535 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:17:22,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:17:22,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1938592578, now seen corresponding path program 1 times [2022-07-12 14:17:22,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:17:22,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504166735] [2022-07-12 14:17:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:22,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:17:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:17:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 14:17:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:17:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 14:17:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 14:17:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:17:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:17:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 14:17:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:17:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:17:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:17:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:17:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:17:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 14:17:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 14:17:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 14:17:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-12 14:17:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-12 14:17:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-12 14:17:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:17:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:17:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:17:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:17:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2022-07-12 14:17:23,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:17:23,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504166735] [2022-07-12 14:17:23,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504166735] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:17:23,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428124522] [2022-07-12 14:17:23,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:23,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:17:23,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:17:23,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:17:23,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 14:17:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:23,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:17:23,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:17:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 1162 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2022-07-12 14:17:23,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:17:23,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428124522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:17:23,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:17:23,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2022-07-12 14:17:23,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450190711] [2022-07-12 14:17:23,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:17:23,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:17:23,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:17:23,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:17:23,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:17:23,936 INFO L87 Difference]: Start difference. First operand 11837 states and 16920 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 14:17:25,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:17:25,507 INFO L93 Difference]: Finished difference Result 35491 states and 51109 transitions. [2022-07-12 14:17:25,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:17:25,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 358 [2022-07-12 14:17:25,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:17:25,668 INFO L225 Difference]: With dead ends: 35491 [2022-07-12 14:17:25,668 INFO L226 Difference]: Without dead ends: 23664 [2022-07-12 14:17:25,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:17:25,738 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 956 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 3013 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:17:25,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 3013 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:17:25,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23664 states. [2022-07-12 14:17:27,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23664 to 23661. [2022-07-12 14:17:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23661 states, 15775 states have (on average 1.287987321711569) internal successors, (20318), 16061 states have internal predecessors, (20318), 6669 states have call successors, (6669), 1217 states have call predecessors, (6669), 1216 states have return successors, (6762), 6568 states have call predecessors, (6762), 6668 states have call successors, (6762) [2022-07-12 14:17:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23661 states to 23661 states and 33749 transitions. [2022-07-12 14:17:27,605 INFO L78 Accepts]: Start accepts. Automaton has 23661 states and 33749 transitions. Word has length 358 [2022-07-12 14:17:27,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:17:27,606 INFO L495 AbstractCegarLoop]: Abstraction has 23661 states and 33749 transitions. [2022-07-12 14:17:27,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 14:17:27,606 INFO L276 IsEmpty]: Start isEmpty. Operand 23661 states and 33749 transitions. [2022-07-12 14:17:27,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-12 14:17:27,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:17:27,634 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 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, 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] [2022-07-12 14:17:27,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 14:17:27,847 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,SelfDestructingSolverStorable5 [2022-07-12 14:17:27,848 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:17:27,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:17:27,849 INFO L85 PathProgramCache]: Analyzing trace with hash -722964028, now seen corresponding path program 1 times [2022-07-12 14:17:27,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:17:27,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980987480] [2022-07-12 14:17:27,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:27,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:17:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:27,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:17:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 14:17:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:17:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 14:17:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 14:17:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:17:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:17:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 14:17:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:17:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:17:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:17:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:17:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:17:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 14:17:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 14:17:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 14:17:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-12 14:17:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-12 14:17:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-12 14:17:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:17:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:17:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:17:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:17:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2022-07-12 14:17:28,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:17:28,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980987480] [2022-07-12 14:17:28,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980987480] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:17:28,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92511373] [2022-07-12 14:17:28,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:28,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:17:28,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:17:28,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:17:28,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 14:17:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:29,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:17:29,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:17:29,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 1162 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2022-07-12 14:17:29,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:17:29,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92511373] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:17:29,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:17:29,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2022-07-12 14:17:29,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509097929] [2022-07-12 14:17:29,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:17:29,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:17:29,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:17:29,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:17:29,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:17:29,484 INFO L87 Difference]: Start difference. First operand 23661 states and 33749 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 14:17:31,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:17:31,343 INFO L93 Difference]: Finished difference Result 56529 states and 80644 transitions. [2022-07-12 14:17:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:17:31,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 358 [2022-07-12 14:17:31,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:17:31,581 INFO L225 Difference]: With dead ends: 56529 [2022-07-12 14:17:31,581 INFO L226 Difference]: Without dead ends: 32878 [2022-07-12 14:17:31,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:17:31,707 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 978 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:17:31,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [978 Valid, 2355 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 14:17:31,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32878 states. [2022-07-12 14:17:33,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32878 to 32875. [2022-07-12 14:17:33,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32875 states, 21963 states have (on average 1.2827027273141192) internal successors, (28172), 22317 states have internal predecessors, (28172), 9132 states have call successors, (9132), 1780 states have call predecessors, (9132), 1779 states have return successors, (9403), 9011 states have call predecessors, (9403), 9131 states have call successors, (9403) [2022-07-12 14:17:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32875 states to 32875 states and 46707 transitions. [2022-07-12 14:17:34,113 INFO L78 Accepts]: Start accepts. Automaton has 32875 states and 46707 transitions. Word has length 358 [2022-07-12 14:17:34,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:17:34,117 INFO L495 AbstractCegarLoop]: Abstraction has 32875 states and 46707 transitions. [2022-07-12 14:17:34,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (53), 3 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 14:17:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 32875 states and 46707 transitions. [2022-07-12 14:17:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-12 14:17:34,138 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:17:34,138 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 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, 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] [2022-07-12 14:17:34,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 14:17:34,361 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,SelfDestructingSolverStorable6 [2022-07-12 14:17:34,362 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:17:34,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:17:34,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1455514244, now seen corresponding path program 1 times [2022-07-12 14:17:34,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:17:34,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773972616] [2022-07-12 14:17:34,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:34,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:17:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:17:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 14:17:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:17:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 14:17:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 14:17:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:17:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:17:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 14:17:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:17:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:17:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 14:17:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:17:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:17:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 14:17:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 14:17:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 14:17:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-12 14:17:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-12 14:17:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-12 14:17:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:17:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:17:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:17:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:17:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2022-07-12 14:17:35,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:17:35,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773972616] [2022-07-12 14:17:35,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773972616] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:17:35,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749363841] [2022-07-12 14:17:35,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:35,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:17:35,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:17:35,207 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:17:35,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 14:17:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:35,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 14:17:35,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:17:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2471 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2464 trivial. 0 not checked. [2022-07-12 14:17:35,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:17:35,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749363841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:17:35,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:17:35,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-07-12 14:17:35,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894632924] [2022-07-12 14:17:35,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:17:35,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:17:35,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:17:35,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:17:35,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-07-12 14:17:35,893 INFO L87 Difference]: Start difference. First operand 32875 states and 46707 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 14:17:38,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:17:38,721 INFO L93 Difference]: Finished difference Result 82531 states and 117191 transitions. [2022-07-12 14:17:38,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 14:17:38,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 358 [2022-07-12 14:17:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:17:39,133 INFO L225 Difference]: With dead ends: 82531 [2022-07-12 14:17:39,133 INFO L226 Difference]: Without dead ends: 49666 [2022-07-12 14:17:39,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2022-07-12 14:17:39,324 INFO L413 NwaCegarLoop]: 1597 mSDtfsCounter, 1115 mSDsluCounter, 7459 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 9056 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:17:39,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 9056 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:17:39,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49666 states. [2022-07-12 14:17:42,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49666 to 49309. [2022-07-12 14:17:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49309 states, 32985 states have (on average 1.283674397453388) internal successors, (42342), 33569 states have internal predecessors, (42342), 13613 states have call successors, (13613), 2659 states have call predecessors, (13613), 2710 states have return successors, (14120), 13428 states have call predecessors, (14120), 13612 states have call successors, (14120) [2022-07-12 14:17:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49309 states to 49309 states and 70075 transitions. [2022-07-12 14:17:42,794 INFO L78 Accepts]: Start accepts. Automaton has 49309 states and 70075 transitions. Word has length 358 [2022-07-12 14:17:42,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:17:42,795 INFO L495 AbstractCegarLoop]: Abstraction has 49309 states and 70075 transitions. [2022-07-12 14:17:42,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 14:17:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 49309 states and 70075 transitions. [2022-07-12 14:17:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-12 14:17:42,827 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:17:42,827 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 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, 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] [2022-07-12 14:17:42,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 14:17:43,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:17:43,044 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:17:43,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:17:43,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1371994168, now seen corresponding path program 1 times [2022-07-12 14:17:43,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:17:43,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655358438] [2022-07-12 14:17:43,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:43,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:17:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:17:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 14:17:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 14:17:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 14:17:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 14:17:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:17:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 14:17:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 14:17:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 14:17:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-12 14:17:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 14:17:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:17:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:17:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 14:17:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 14:17:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 14:17:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 14:17:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 14:17:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-12 14:17:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:17:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:17:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:17:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:17:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2464 trivial. 0 not checked. [2022-07-12 14:17:43,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:17:43,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655358438] [2022-07-12 14:17:43,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655358438] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:17:43,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212934437] [2022-07-12 14:17:43,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:43,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:17:43,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:17:43,637 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:17:43,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 14:17:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:44,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 2262 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 14:17:44,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:17:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2464 trivial. 0 not checked. [2022-07-12 14:17:44,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:17:44,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212934437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:17:44,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:17:44,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2022-07-12 14:17:44,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630009834] [2022-07-12 14:17:44,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:17:44,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:17:44,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:17:44,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:17:44,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-12 14:17:44,417 INFO L87 Difference]: Start difference. First operand 49309 states and 70075 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 14:17:47,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:17:47,928 INFO L93 Difference]: Finished difference Result 115474 states and 163961 transitions. [2022-07-12 14:17:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 14:17:47,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 359 [2022-07-12 14:17:47,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:17:48,506 INFO L225 Difference]: With dead ends: 115474 [2022-07-12 14:17:48,506 INFO L226 Difference]: Without dead ends: 66175 [2022-07-12 14:17:48,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2022-07-12 14:17:48,715 INFO L413 NwaCegarLoop]: 1629 mSDtfsCounter, 1115 mSDsluCounter, 7575 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 9204 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:17:48,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 9204 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:17:48,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66175 states. [2022-07-12 14:17:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66175 to 65725. [2022-07-12 14:17:52,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65725 states, 43991 states have (on average 1.2842626900957015) internal successors, (56496), 44815 states have internal predecessors, (56496), 18094 states have call successors, (18094), 3538 states have call predecessors, (18094), 3639 states have return successors, (18801), 17833 states have call predecessors, (18801), 18093 states have call successors, (18801) [2022-07-12 14:17:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65725 states to 65725 states and 93391 transitions. [2022-07-12 14:17:52,532 INFO L78 Accepts]: Start accepts. Automaton has 65725 states and 93391 transitions. Word has length 359 [2022-07-12 14:17:52,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:17:52,532 INFO L495 AbstractCegarLoop]: Abstraction has 65725 states and 93391 transitions. [2022-07-12 14:17:52,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 14:17:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 65725 states and 93391 transitions. [2022-07-12 14:17:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-12 14:17:52,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:17:52,566 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 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, 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] [2022-07-12 14:17:52,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-12 14:17:52,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:17:52,792 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:17:52,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:17:52,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1427294877, now seen corresponding path program 1 times [2022-07-12 14:17:52,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:17:52,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423428207] [2022-07-12 14:17:52,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:52,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:17:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:52,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:17:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:52,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:17:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 14:17:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 14:17:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:17:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 14:17:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 14:17:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 14:17:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 14:17:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 14:17:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:17:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:17:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:17:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:17:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 14:17:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:17:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:17:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:17:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-12 14:17:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:17:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:17:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:17:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 14:17:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 14:17:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 14:17:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 14:17:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-12 14:17:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:17:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:17:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:17:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:17:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:17:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:17:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:17:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2464 trivial. 0 not checked. [2022-07-12 14:17:53,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:17:53,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423428207] [2022-07-12 14:17:53,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423428207] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:17:53,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372620282] [2022-07-12 14:17:53,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:17:53,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:17:53,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:17:53,631 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:17:53,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 14:17:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:17:54,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 14:17:54,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:17:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2464 trivial. 0 not checked. [2022-07-12 14:17:54,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:17:54,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372620282] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:17:54,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:17:54,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2022-07-12 14:17:54,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156692018] [2022-07-12 14:17:54,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:17:54,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:17:54,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:17:54,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:17:54,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-12 14:17:54,259 INFO L87 Difference]: Start difference. First operand 65725 states and 93391 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 14:17:58,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:17:58,615 INFO L93 Difference]: Finished difference Result 148303 states and 210583 transitions. [2022-07-12 14:17:58,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 14:17:58,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 360 [2022-07-12 14:17:58,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:17:59,459 INFO L225 Difference]: With dead ends: 148303 [2022-07-12 14:17:59,459 INFO L226 Difference]: Without dead ends: 82588 [2022-07-12 14:17:59,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2022-07-12 14:17:59,667 INFO L413 NwaCegarLoop]: 1559 mSDtfsCounter, 1115 mSDsluCounter, 7295 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 8854 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:17:59,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 8854 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 14:17:59,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82588 states. [2022-07-12 14:18:03,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82588 to 65755. [2022-07-12 14:18:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65755 states, 44015 states have (on average 1.2841076905600364) internal successors, (56520), 44833 states have internal predecessors, (56520), 18094 states have call successors, (18094), 3538 states have call predecessors, (18094), 3645 states have return successors, (18810), 17845 states have call predecessors, (18810), 18093 states have call successors, (18810) [2022-07-12 14:18:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65755 states to 65755 states and 93424 transitions. [2022-07-12 14:18:03,816 INFO L78 Accepts]: Start accepts. Automaton has 65755 states and 93424 transitions. Word has length 360 [2022-07-12 14:18:03,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:18:03,817 INFO L495 AbstractCegarLoop]: Abstraction has 65755 states and 93424 transitions. [2022-07-12 14:18:03,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 14:18:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 65755 states and 93424 transitions. [2022-07-12 14:18:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-12 14:18:03,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:18:03,851 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 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, 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] [2022-07-12 14:18:03,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-12 14:18:04,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-12 14:18:04,068 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:18:04,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:18:04,068 INFO L85 PathProgramCache]: Analyzing trace with hash -511480922, now seen corresponding path program 1 times [2022-07-12 14:18:04,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:18:04,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112300754] [2022-07-12 14:18:04,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:18:04,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:18:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:18:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:18:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:18:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:18:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:18:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:18:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 14:18:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 14:18:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:18:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:18:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:18:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:18:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:18:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:18:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:18:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:18:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:18:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:18:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:18:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:18:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:18:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:18:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:18:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:18:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:18:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:18:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:18:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:18:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:18:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:18:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:18:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:18:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:18:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 14:18:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:18:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:18:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 14:18:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:18:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 14:18:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 14:18:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 14:18:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 14:18:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:18:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 14:18:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-12 14:18:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:18:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 14:18:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:18:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-12 14:18:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-12 14:18:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:18:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 14:18:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:18:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:18:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:18:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 14:18:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-12 14:18:04,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:18:04,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112300754] [2022-07-12 14:18:04,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112300754] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 14:18:04,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041193551] [2022-07-12 14:18:04,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:18:04,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 14:18:04,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:18:04,547 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 14:18:04,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-12 14:18:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:18:05,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 2123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 14:18:05,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:18:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-07-12 14:18:05,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:18:05,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041193551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:18:05,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 14:18:05,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-07-12 14:18:05,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376766594] [2022-07-12 14:18:05,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:18:05,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:18:05,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:18:05,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:18:05,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-07-12 14:18:05,154 INFO L87 Difference]: Start difference. First operand 65755 states and 93424 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 5 states have internal predecessors, (96), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (35), 3 states have call predecessors, (35), 2 states have call successors, (35)