./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.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 37c8a1c366adb82a8b869e1fb47fbdb5e72a3a4f1af40d95fd3c6c36b64ea913 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:47:32,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:47:32,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:47:32,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:47:32,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:47:32,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:47:32,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:47:32,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:47:32,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:47:32,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:47:32,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:47:32,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:47:32,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:47:32,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:47:32,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:47:32,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:47:32,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:47:32,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:47:32,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:47:32,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:47:32,971 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:47:32,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:47:32,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:47:32,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:47:32,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:47:32,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:47:32,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:47:32,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:47:32,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:47:32,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:47:32,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:47:32,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:47:32,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:47:32,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:47:32,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:47:32,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:47:32,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:47:32,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:47:32,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:47:32,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:47:32,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:47:32,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:47:32,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:47:33,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:47:33,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:47:33,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:47:33,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:47:33,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:47:33,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:47:33,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:47:33,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:47:33,022 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:47:33,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:47:33,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:47:33,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:47:33,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:47:33,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:47:33,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:47:33,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:47:33,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:47:33,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:47:33,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:47:33,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:47:33,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:47:33,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:47:33,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:47:33,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:47:33,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:47:33,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:47:33,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:47:33,026 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:47:33,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:47:33,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:47:33,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37c8a1c366adb82a8b869e1fb47fbdb5e72a3a4f1af40d95fd3c6c36b64ea913 [2022-07-22 23:47:33,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:47:33,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:47:33,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:47:33,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:47:33,263 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:47:33,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i [2022-07-22 23:47:33,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7cc9be4b/c33c169f2c64415cab669b8bb65fbb32/FLAG5ef99c7f4 [2022-07-22 23:47:33,966 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:47:33,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i [2022-07-22 23:47:34,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7cc9be4b/c33c169f2c64415cab669b8bb65fbb32/FLAG5ef99c7f4 [2022-07-22 23:47:34,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7cc9be4b/c33c169f2c64415cab669b8bb65fbb32 [2022-07-22 23:47:34,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:47:34,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:47:34,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:47:34,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:47:34,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:47:34,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:47:34" (1/1) ... [2022-07-22 23:47:34,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa723e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:34, skipping insertion in model container [2022-07-22 23:47:34,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:47:34" (1/1) ... [2022-07-22 23:47:34,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:47:34,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:47:35,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i[186142,186155] [2022-07-22 23:47:36,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:47:36,141 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:47:36,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i[186142,186155] [2022-07-22 23:47:36,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:47:36,580 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:47:36,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36 WrapperNode [2022-07-22 23:47:36,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:47:36,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:47:36,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:47:36,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:47:36,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:36,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:36,887 INFO L137 Inliner]: procedures = 222, calls = 2828, calls flagged for inlining = 88, calls inlined = 43, statements flattened = 3752 [2022-07-22 23:47:36,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:47:36,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:47:36,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:47:36,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:47:36,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:36,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:36,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:36,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:37,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:37,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:37,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:37,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:47:37,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:47:37,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:47:37,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:47:37,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (1/1) ... [2022-07-22 23:47:37,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:47:37,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:47:37,176 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) [2022-07-22 23:47:37,198 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 [2022-07-22 23:47:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:47:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:47:37,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-22 23:47:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-22 23:47:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cleanup_and_insert_cmd [2022-07-22 23:47:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cleanup_and_insert_cmd [2022-07-22 23:47:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:47:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:47:37,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-22 23:47:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-22 23:47:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:47:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:47:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_tx [2022-07-22 23:47:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_tx [2022-07-22 23:47:37,215 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_get_survey [2022-07-22 23:47:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_get_survey [2022-07-22 23:47:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:47:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:47:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 23:47:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 23:47:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-22 23:47:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-22 23:47:37,216 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 23:47:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 23:47:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-22 23:47:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-22 23:47:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-22 23:47:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-22 23:47:37,217 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_set [2022-07-22 23:47:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_set [2022-07-22 23:47:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2022-07-22 23:47:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2022-07-22 23:47:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_beacon_ctrl [2022-07-22 23:47:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_beacon_ctrl [2022-07-22 23:47:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_free_adapter [2022-07-22 23:47:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_free_adapter [2022-07-22 23:47:37,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:47:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-22 23:47:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-22 23:47:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_bssid [2022-07-22 23:47:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_bssid [2022-07-22 23:47:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:47:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-22 23:47:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-22 23:47:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-22 23:47:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-22 23:47:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-22 23:47:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 23:47:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 23:47:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mode [2022-07-22 23:47:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mode [2022-07-22 23:47:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:47:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:47:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_prepare_multicast [2022-07-22 23:47:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_prepare_multicast [2022-07-22 23:47:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-22 23:47:37,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-22 23:47:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-22 23:47:37,223 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-22 23:47:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-22 23:47:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-22 23:47:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-22 23:47:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-22 23:47:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-22 23:47:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-22 23:47:37,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-22 23:47:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_bss_info_changed [2022-07-22 23:47:37,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_bss_info_changed [2022-07-22 23:47:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-22 23:47:37,225 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-22 23:47:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-22 23:47:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd_async [2022-07-22 23:47:37,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd_async [2022-07-22 23:47:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 23:47:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_radio_control [2022-07-22 23:47:37,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_radio_control [2022-07-22 23:47:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:47:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:47:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-22 23:47:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-22 23:47:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_config [2022-07-22 23:47:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_config [2022-07-22 23:47:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure __lbtf_cmd [2022-07-22 23:47:37,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbtf_cmd [2022-07-22 23:47:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:47:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:47:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-22 23:47:37,228 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-22 23:47:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 23:47:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:47:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-22 23:47:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-22 23:47:37,229 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_configure_filter [2022-07-22 23:47:37,229 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_configure_filter [2022-07-22 23:47:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-22 23:47:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-22 23:47:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-22 23:47:37,230 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-22 23:47:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-22 23:47:37,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-22 23:47:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_set_mac_control [2022-07-22 23:47:37,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_set_mac_control [2022-07-22 23:47:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:47:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-22 23:47:37,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-22 23:47:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:47:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 23:47:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_remove_interface [2022-07-22 23:47:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_remove_interface [2022-07-22 23:47:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-22 23:47:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-22 23:47:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-22 23:47:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-22 23:47:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_async [2022-07-22 23:47:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_async [2022-07-22 23:47:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_add_interface [2022-07-22 23:47:37,234 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_add_interface [2022-07-22 23:47:37,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successfull_zalloc [2022-07-22 23:47:37,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successfull_zalloc [2022-07-22 23:47:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 23:47:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_op_start [2022-07-22 23:47:37,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_op_start [2022-07-22 23:47:37,237 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-22 23:47:37,239 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-22 23:47:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:47:37,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:47:37,239 INFO L130 BoogieDeclarations]: Found specification of procedure lbtf_cmd_set_mac_multicast_addr [2022-07-22 23:47:37,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lbtf_cmd_set_mac_multicast_addr [2022-07-22 23:47:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-22 23:47:37,245 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-22 23:47:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-22 23:47:37,245 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-22 23:47:37,815 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:47:37,817 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:47:38,443 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-22 23:47:41,472 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:47:41,524 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:47:41,524 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-22 23:47:41,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:47:41 BoogieIcfgContainer [2022-07-22 23:47:41,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:47:41,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:47:41,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:47:41,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:47:41,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:47:34" (1/3) ... [2022-07-22 23:47:41,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b9f892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:47:41, skipping insertion in model container [2022-07-22 23:47:41,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:47:36" (2/3) ... [2022-07-22 23:47:41,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b9f892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:47:41, skipping insertion in model container [2022-07-22 23:47:41,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:47:41" (3/3) ... [2022-07-22 23:47:41,535 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--libertas_tf--libertas_tf.ko-entry_point.cil.out.i [2022-07-22 23:47:41,547 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:47:41,558 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:47:41,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:47:41,644 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@30a17be2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@27732594 [2022-07-22 23:47:41,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:47:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 1100 states, 828 states have (on average 1.3768115942028984) internal successors, (1140), 845 states have internal predecessors, (1140), 214 states have call successors, (214), 57 states have call predecessors, (214), 56 states have return successors, (210), 206 states have call predecessors, (210), 210 states have call successors, (210) [2022-07-22 23:47:41,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-22 23:47:41,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:47:41,699 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:47:41,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:47:41,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:47:41,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1116110381, now seen corresponding path program 1 times [2022-07-22 23:47:41,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:47:41,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009465760] [2022-07-22 23:47:41,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:47:41,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:47:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:47:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:47:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:47:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:47:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:47:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:47:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:47:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-07-22 23:47:42,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:47:42,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009465760] [2022-07-22 23:47:42,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009465760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:47:42,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:47:42,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 23:47:42,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129366073] [2022-07-22 23:47:42,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:47:42,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:47:42,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:47:42,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:47:42,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 23:47:42,705 INFO L87 Difference]: Start difference. First operand has 1100 states, 828 states have (on average 1.3768115942028984) internal successors, (1140), 845 states have internal predecessors, (1140), 214 states have call successors, (214), 57 states have call predecessors, (214), 56 states have return successors, (210), 206 states have call predecessors, (210), 210 states have call successors, (210) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 23:47:44,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:47:44,806 INFO L93 Difference]: Finished difference Result 2381 states and 3455 transitions. [2022-07-22 23:47:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:47:44,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 129 [2022-07-22 23:47:44,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:47:44,833 INFO L225 Difference]: With dead ends: 2381 [2022-07-22 23:47:44,833 INFO L226 Difference]: Without dead ends: 1275 [2022-07-22 23:47:44,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:47:44,847 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 900 mSDsluCounter, 1284 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 2703 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:47:44,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 2703 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-22 23:47:44,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-07-22 23:47:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1089. [2022-07-22 23:47:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 823 states have (on average 1.359659781287971) internal successors, (1119), 834 states have internal predecessors, (1119), 210 states have call successors, (210), 56 states have call predecessors, (210), 55 states have return successors, (209), 205 states have call predecessors, (209), 209 states have call successors, (209) [2022-07-22 23:47:44,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1538 transitions. [2022-07-22 23:47:44,970 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1538 transitions. Word has length 129 [2022-07-22 23:47:44,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:47:44,970 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1538 transitions. [2022-07-22 23:47:44,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 23:47:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1538 transitions. [2022-07-22 23:47:44,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-22 23:47:44,975 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:47:44,976 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:47:44,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 23:47:44,976 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:47:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:47:44,977 INFO L85 PathProgramCache]: Analyzing trace with hash -88486637, now seen corresponding path program 1 times [2022-07-22 23:47:44,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:47:44,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239597984] [2022-07-22 23:47:44,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:47:44,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:47:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:47:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:47:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:47:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:47:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:47:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:47:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:47:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-07-22 23:47:45,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:47:45,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239597984] [2022-07-22 23:47:45,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239597984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:47:45,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:47:45,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:47:45,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120564017] [2022-07-22 23:47:45,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:47:45,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:47:45,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:47:45,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:47:45,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:47:45,536 INFO L87 Difference]: Start difference. First operand 1089 states and 1538 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-22 23:47:48,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:47:48,994 INFO L93 Difference]: Finished difference Result 3550 states and 5089 transitions. [2022-07-22 23:47:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 23:47:48,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 129 [2022-07-22 23:47:48,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:47:49,012 INFO L225 Difference]: With dead ends: 3550 [2022-07-22 23:47:49,012 INFO L226 Difference]: Without dead ends: 2480 [2022-07-22 23:47:49,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:47:49,018 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 3175 mSDsluCounter, 2282 mSDsCounter, 0 mSdLazyCounter, 1890 mSolverCounterSat, 1330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3314 SdHoareTripleChecker+Valid, 3857 SdHoareTripleChecker+Invalid, 3220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 1890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-22 23:47:49,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3314 Valid, 3857 Invalid, 3220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1330 Valid, 1890 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-22 23:47:49,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2480 states. [2022-07-22 23:47:49,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2480 to 2113. [2022-07-22 23:47:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1599 states have (on average 1.3621013133208255) internal successors, (2178), 1621 states have internal predecessors, (2178), 404 states have call successors, (404), 110 states have call predecessors, (404), 109 states have return successors, (403), 395 states have call predecessors, (403), 403 states have call successors, (403) [2022-07-22 23:47:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2985 transitions. [2022-07-22 23:47:49,136 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2985 transitions. Word has length 129 [2022-07-22 23:47:49,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:47:49,138 INFO L495 AbstractCegarLoop]: Abstraction has 2113 states and 2985 transitions. [2022-07-22 23:47:49,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-22 23:47:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2985 transitions. [2022-07-22 23:47:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-22 23:47:49,144 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:47:49,144 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:47:49,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 23:47:49,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:47:49,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:47:49,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2023226209, now seen corresponding path program 1 times [2022-07-22 23:47:49,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:47:49,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942278582] [2022-07-22 23:47:49,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:47:49,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:47:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:47:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:47:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:47:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:47:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:47:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:47:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:47:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:49,686 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-07-22 23:47:49,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:47:49,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942278582] [2022-07-22 23:47:49,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942278582] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:47:49,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:47:49,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 23:47:49,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034703021] [2022-07-22 23:47:49,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:47:49,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 23:47:49,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:47:49,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 23:47:49,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 23:47:49,690 INFO L87 Difference]: Start difference. First operand 2113 states and 2985 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 23:47:54,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:47:54,893 INFO L93 Difference]: Finished difference Result 7024 states and 10082 transitions. [2022-07-22 23:47:54,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 23:47:54,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 131 [2022-07-22 23:47:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:47:54,930 INFO L225 Difference]: With dead ends: 7024 [2022-07-22 23:47:54,931 INFO L226 Difference]: Without dead ends: 4914 [2022-07-22 23:47:54,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-22 23:47:54,945 INFO L413 NwaCegarLoop]: 1844 mSDtfsCounter, 3167 mSDsluCounter, 5211 mSDsCounter, 0 mSdLazyCounter, 3738 mSolverCounterSat, 1281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3307 SdHoareTripleChecker+Valid, 7055 SdHoareTripleChecker+Invalid, 5019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1281 IncrementalHoareTripleChecker+Valid, 3738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-22 23:47:54,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3307 Valid, 7055 Invalid, 5019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1281 Valid, 3738 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-22 23:47:54,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4914 states. [2022-07-22 23:47:55,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4914 to 4224. [2022-07-22 23:47:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4224 states, 3199 states have (on average 1.363551109721788) internal successors, (4362), 3247 states have internal predecessors, (4362), 800 states have call successors, (800), 219 states have call predecessors, (800), 224 states have return successors, (818), 785 states have call predecessors, (818), 799 states have call successors, (818) [2022-07-22 23:47:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 4224 states and 5980 transitions. [2022-07-22 23:47:55,214 INFO L78 Accepts]: Start accepts. Automaton has 4224 states and 5980 transitions. Word has length 131 [2022-07-22 23:47:55,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:47:55,215 INFO L495 AbstractCegarLoop]: Abstraction has 4224 states and 5980 transitions. [2022-07-22 23:47:55,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 23:47:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 4224 states and 5980 transitions. [2022-07-22 23:47:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-07-22 23:47:55,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:47:55,241 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:47:55,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 23:47:55,242 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:47:55,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:47:55,243 INFO L85 PathProgramCache]: Analyzing trace with hash -86562371, now seen corresponding path program 1 times [2022-07-22 23:47:55,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:47:55,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176449191] [2022-07-22 23:47:55,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:47:55,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:47:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:47:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:47:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:47:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:47:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:47:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:47:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:47:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:47:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-22 23:47:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:47:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:47:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 23:47:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:47:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 23:47:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:47:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:47:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:47:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:47:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-07-22 23:47:55,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:47:55,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176449191] [2022-07-22 23:47:55,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176449191] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:47:55,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:47:55,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 23:47:55,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283223194] [2022-07-22 23:47:55,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:47:55,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 23:47:55,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:47:55,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 23:47:55,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-22 23:47:55,893 INFO L87 Difference]: Start difference. First operand 4224 states and 5980 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (20), 8 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-22 23:48:00,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:00,223 INFO L93 Difference]: Finished difference Result 9766 states and 13968 transitions. [2022-07-22 23:48:00,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 23:48:00,224 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (20), 8 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 230 [2022-07-22 23:48:00,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:00,259 INFO L225 Difference]: With dead ends: 9766 [2022-07-22 23:48:00,260 INFO L226 Difference]: Without dead ends: 5561 [2022-07-22 23:48:00,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-22 23:48:00,317 INFO L413 NwaCegarLoop]: 1432 mSDtfsCounter, 1879 mSDsluCounter, 3193 mSDsCounter, 0 mSdLazyCounter, 3831 mSolverCounterSat, 1000 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 4625 SdHoareTripleChecker+Invalid, 4831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1000 IncrementalHoareTripleChecker+Valid, 3831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:00,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 4625 Invalid, 4831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1000 Valid, 3831 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-22 23:48:00,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2022-07-22 23:48:00,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 4613. [2022-07-22 23:48:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4613 states, 3502 states have (on average 1.366076527698458) internal successors, (4784), 3569 states have internal predecessors, (4784), 852 states have call successors, (852), 249 states have call predecessors, (852), 258 states have return successors, (874), 826 states have call predecessors, (874), 851 states have call successors, (874) [2022-07-22 23:48:00,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 4613 states and 6510 transitions. [2022-07-22 23:48:00,558 INFO L78 Accepts]: Start accepts. Automaton has 4613 states and 6510 transitions. Word has length 230 [2022-07-22 23:48:00,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:00,560 INFO L495 AbstractCegarLoop]: Abstraction has 4613 states and 6510 transitions. [2022-07-22 23:48:00,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (20), 8 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-22 23:48:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 4613 states and 6510 transitions. [2022-07-22 23:48:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-22 23:48:00,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:00,578 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:00,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 23:48:00,579 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:00,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:00,579 INFO L85 PathProgramCache]: Analyzing trace with hash -528716569, now seen corresponding path program 1 times [2022-07-22 23:48:00,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:00,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174751122] [2022-07-22 23:48:00,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:00,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-22 23:48:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-22 23:48:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-22 23:48:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 23:48:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 23:48:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-22 23:48:01,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:01,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174751122] [2022-07-22 23:48:01,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174751122] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:01,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:01,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 23:48:01,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079125778] [2022-07-22 23:48:01,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:01,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 23:48:01,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:01,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 23:48:01,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:48:01,367 INFO L87 Difference]: Start difference. First operand 4613 states and 6510 transitions. Second operand has 10 states, 10 states have (on average 13.3) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-22 23:48:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:04,706 INFO L93 Difference]: Finished difference Result 10131 states and 14473 transitions. [2022-07-22 23:48:04,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 23:48:04,707 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 276 [2022-07-22 23:48:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:04,739 INFO L225 Difference]: With dead ends: 10131 [2022-07-22 23:48:04,739 INFO L226 Difference]: Without dead ends: 5563 [2022-07-22 23:48:04,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-22 23:48:04,759 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 2400 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 3250 mSolverCounterSat, 1482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2499 SdHoareTripleChecker+Valid, 4666 SdHoareTripleChecker+Invalid, 4732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1482 IncrementalHoareTripleChecker+Valid, 3250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:04,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2499 Valid, 4666 Invalid, 4732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1482 Valid, 3250 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-22 23:48:04,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5563 states. [2022-07-22 23:48:04,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5563 to 4616. [2022-07-22 23:48:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4616 states, 3505 states have (on average 1.3651925820256776) internal successors, (4785), 3572 states have internal predecessors, (4785), 852 states have call successors, (852), 249 states have call predecessors, (852), 258 states have return successors, (874), 826 states have call predecessors, (874), 851 states have call successors, (874) [2022-07-22 23:48:05,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4616 states to 4616 states and 6511 transitions. [2022-07-22 23:48:05,022 INFO L78 Accepts]: Start accepts. Automaton has 4616 states and 6511 transitions. Word has length 276 [2022-07-22 23:48:05,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:05,023 INFO L495 AbstractCegarLoop]: Abstraction has 4616 states and 6511 transitions. [2022-07-22 23:48:05,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 4 states have internal predecessors, (133), 2 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-22 23:48:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 4616 states and 6511 transitions. [2022-07-22 23:48:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-22 23:48:05,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:05,043 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:05,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 23:48:05,043 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:05,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:05,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1274444509, now seen corresponding path program 1 times [2022-07-22 23:48:05,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:05,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79190516] [2022-07-22 23:48:05,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-22 23:48:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 23:48:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 23:48:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-07-22 23:48:05,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:05,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79190516] [2022-07-22 23:48:05,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79190516] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:05,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:05,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 23:48:05,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452768582] [2022-07-22 23:48:05,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:05,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 23:48:05,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:05,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 23:48:05,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-22 23:48:05,650 INFO L87 Difference]: Start difference. First operand 4616 states and 6511 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-22 23:48:09,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:09,265 INFO L93 Difference]: Finished difference Result 13695 states and 19564 transitions. [2022-07-22 23:48:09,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 23:48:09,266 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 278 [2022-07-22 23:48:09,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:09,309 INFO L225 Difference]: With dead ends: 13695 [2022-07-22 23:48:09,310 INFO L226 Difference]: Without dead ends: 9130 [2022-07-22 23:48:09,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-07-22 23:48:09,329 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 3913 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 1875 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4105 SdHoareTripleChecker+Valid, 3443 SdHoareTripleChecker+Invalid, 4497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1875 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:09,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4105 Valid, 3443 Invalid, 4497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1875 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-22 23:48:09,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9130 states. [2022-07-22 23:48:09,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9130 to 7595. [2022-07-22 23:48:09,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7595 states, 5794 states have (on average 1.3610631687953054) internal successors, (7886), 5906 states have internal predecessors, (7886), 1370 states have call successors, (1370), 415 states have call predecessors, (1370), 430 states have return successors, (1399), 1329 states have call predecessors, (1399), 1369 states have call successors, (1399) [2022-07-22 23:48:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7595 states to 7595 states and 10655 transitions. [2022-07-22 23:48:09,722 INFO L78 Accepts]: Start accepts. Automaton has 7595 states and 10655 transitions. Word has length 278 [2022-07-22 23:48:09,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:09,723 INFO L495 AbstractCegarLoop]: Abstraction has 7595 states and 10655 transitions. [2022-07-22 23:48:09,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (22), 8 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-22 23:48:09,723 INFO L276 IsEmpty]: Start isEmpty. Operand 7595 states and 10655 transitions. [2022-07-22 23:48:09,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-22 23:48:09,740 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:09,741 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:09,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 23:48:09,741 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:09,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:09,742 INFO L85 PathProgramCache]: Analyzing trace with hash 2114002207, now seen corresponding path program 1 times [2022-07-22 23:48:09,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:09,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695651988] [2022-07-22 23:48:09,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:09,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-22 23:48:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 23:48:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 23:48:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-22 23:48:10,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:10,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695651988] [2022-07-22 23:48:10,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695651988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:10,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:10,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 23:48:10,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669300810] [2022-07-22 23:48:10,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:10,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 23:48:10,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:10,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 23:48:10,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-22 23:48:10,343 INFO L87 Difference]: Start difference. First operand 7595 states and 10655 transitions. Second operand has 9 states, 9 states have (on average 15.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-22 23:48:13,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:13,952 INFO L93 Difference]: Finished difference Result 12965 states and 18460 transitions. [2022-07-22 23:48:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 23:48:13,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 278 [2022-07-22 23:48:13,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:14,003 INFO L225 Difference]: With dead ends: 12965 [2022-07-22 23:48:14,003 INFO L226 Difference]: Without dead ends: 9125 [2022-07-22 23:48:14,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:48:14,024 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 710 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 3766 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 3876 SdHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 3766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:14,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 3876 Invalid, 4067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 3766 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-22 23:48:14,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9125 states. [2022-07-22 23:48:14,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9125 to 7603. [2022-07-22 23:48:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7603 states, 5802 states have (on average 1.3605653223026544) internal successors, (7894), 5914 states have internal predecessors, (7894), 1370 states have call successors, (1370), 415 states have call predecessors, (1370), 430 states have return successors, (1399), 1329 states have call predecessors, (1399), 1369 states have call successors, (1399) [2022-07-22 23:48:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7603 states to 7603 states and 10663 transitions. [2022-07-22 23:48:14,384 INFO L78 Accepts]: Start accepts. Automaton has 7603 states and 10663 transitions. Word has length 278 [2022-07-22 23:48:14,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:14,385 INFO L495 AbstractCegarLoop]: Abstraction has 7603 states and 10663 transitions. [2022-07-22 23:48:14,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (22), 8 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-22 23:48:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 7603 states and 10663 transitions. [2022-07-22 23:48:14,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-07-22 23:48:14,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:14,404 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:14,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 23:48:14,404 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:14,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:14,405 INFO L85 PathProgramCache]: Analyzing trace with hash -253117922, now seen corresponding path program 1 times [2022-07-22 23:48:14,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:14,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309017922] [2022-07-22 23:48:14,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:14,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-22 23:48:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-22 23:48:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-22 23:48:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:15,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-07-22 23:48:15,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:15,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309017922] [2022-07-22 23:48:15,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309017922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:15,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:15,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-22 23:48:15,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650734942] [2022-07-22 23:48:15,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:15,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-22 23:48:15,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:15,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-22 23:48:15,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-07-22 23:48:15,211 INFO L87 Difference]: Start difference. First operand 7603 states and 10663 transitions. Second operand has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 8 states have internal predecessors, (137), 5 states have call successors, (22), 8 states have call predecessors, (22), 3 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-22 23:48:23,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:23,519 INFO L93 Difference]: Finished difference Result 18395 states and 26021 transitions. [2022-07-22 23:48:23,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-22 23:48:23,519 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 8 states have internal predecessors, (137), 5 states have call successors, (22), 8 states have call predecessors, (22), 3 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) Word has length 280 [2022-07-22 23:48:23,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:23,563 INFO L225 Difference]: With dead ends: 18395 [2022-07-22 23:48:23,563 INFO L226 Difference]: Without dead ends: 10843 [2022-07-22 23:48:23,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2022-07-22 23:48:23,585 INFO L413 NwaCegarLoop]: 1701 mSDtfsCounter, 7347 mSDsluCounter, 1856 mSDsCounter, 0 mSdLazyCounter, 10490 mSolverCounterSat, 3820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7594 SdHoareTripleChecker+Valid, 3557 SdHoareTripleChecker+Invalid, 14310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3820 IncrementalHoareTripleChecker+Valid, 10490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:23,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7594 Valid, 3557 Invalid, 14310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3820 Valid, 10490 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-07-22 23:48:23,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10843 states. [2022-07-22 23:48:23,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10843 to 8881. [2022-07-22 23:48:23,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8881 states, 6758 states have (on average 1.355134655223439) internal successors, (9158), 6878 states have internal predecessors, (9158), 1610 states have call successors, (1610), 503 states have call predecessors, (1610), 512 states have return successors, (1621), 1567 states have call predecessors, (1621), 1609 states have call successors, (1621) [2022-07-22 23:48:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8881 states to 8881 states and 12389 transitions. [2022-07-22 23:48:24,006 INFO L78 Accepts]: Start accepts. Automaton has 8881 states and 12389 transitions. Word has length 280 [2022-07-22 23:48:24,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:24,007 INFO L495 AbstractCegarLoop]: Abstraction has 8881 states and 12389 transitions. [2022-07-22 23:48:24,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 8 states have internal predecessors, (137), 5 states have call successors, (22), 8 states have call predecessors, (22), 3 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) [2022-07-22 23:48:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 8881 states and 12389 transitions. [2022-07-22 23:48:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-22 23:48:24,030 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:24,031 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:24,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 23:48:24,031 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:24,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1586656780, now seen corresponding path program 1 times [2022-07-22 23:48:24,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:24,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913892404] [2022-07-22 23:48:24,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:24,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 23:48:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 23:48:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:48:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-22 23:48:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-22 23:48:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-22 23:48:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-22 23:48:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-22 23:48:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-22 23:48:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-22 23:48:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2022-07-22 23:48:24,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:24,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913892404] [2022-07-22 23:48:24,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913892404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:24,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:24,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 23:48:24,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666309971] [2022-07-22 23:48:24,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:24,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:48:24,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:24,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:48:24,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:48:24,799 INFO L87 Difference]: Start difference. First operand 8881 states and 12389 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (30), 7 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-22 23:48:27,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:27,596 INFO L93 Difference]: Finished difference Result 19327 states and 27239 transitions. [2022-07-22 23:48:27,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 23:48:27,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (30), 7 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 391 [2022-07-22 23:48:27,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:27,643 INFO L225 Difference]: With dead ends: 19327 [2022-07-22 23:48:27,644 INFO L226 Difference]: Without dead ends: 10497 [2022-07-22 23:48:27,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-22 23:48:27,673 INFO L413 NwaCegarLoop]: 1410 mSDtfsCounter, 1281 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 4129 SdHoareTripleChecker+Invalid, 3038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 885 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:27,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 4129 Invalid, 3038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [885 Valid, 2153 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-22 23:48:27,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10497 states. [2022-07-22 23:48:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10497 to 8885. [2022-07-22 23:48:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8885 states, 6762 states have (on average 1.354924578527063) internal successors, (9162), 6882 states have internal predecessors, (9162), 1610 states have call successors, (1610), 503 states have call predecessors, (1610), 512 states have return successors, (1621), 1567 states have call predecessors, (1621), 1609 states have call successors, (1621) [2022-07-22 23:48:28,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8885 states to 8885 states and 12393 transitions. [2022-07-22 23:48:28,144 INFO L78 Accepts]: Start accepts. Automaton has 8885 states and 12393 transitions. Word has length 391 [2022-07-22 23:48:28,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:28,144 INFO L495 AbstractCegarLoop]: Abstraction has 8885 states and 12393 transitions. [2022-07-22 23:48:28,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 3 states have internal predecessors, (182), 2 states have call successors, (30), 7 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-22 23:48:28,145 INFO L276 IsEmpty]: Start isEmpty. Operand 8885 states and 12393 transitions. [2022-07-22 23:48:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-22 23:48:28,167 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:28,167 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:28,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 23:48:28,168 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:28,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:28,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1430676238, now seen corresponding path program 1 times [2022-07-22 23:48:28,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:28,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337947602] [2022-07-22 23:48:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 23:48:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 23:48:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:48:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-22 23:48:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-22 23:48:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-22 23:48:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-22 23:48:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-22 23:48:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-22 23:48:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-22 23:48:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-07-22 23:48:29,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:29,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337947602] [2022-07-22 23:48:29,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337947602] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:29,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:29,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 23:48:29,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933376583] [2022-07-22 23:48:29,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:29,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 23:48:29,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:29,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 23:48:29,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:48:29,006 INFO L87 Difference]: Start difference. First operand 8885 states and 12393 transitions. Second operand has 10 states, 10 states have (on average 18.1) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (30), 7 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-22 23:48:33,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:33,884 INFO L93 Difference]: Finished difference Result 19315 states and 27205 transitions. [2022-07-22 23:48:33,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 23:48:33,885 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (30), 7 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 391 [2022-07-22 23:48:33,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:33,929 INFO L225 Difference]: With dead ends: 19315 [2022-07-22 23:48:33,929 INFO L226 Difference]: Without dead ends: 10481 [2022-07-22 23:48:33,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-07-22 23:48:33,955 INFO L413 NwaCegarLoop]: 1422 mSDtfsCounter, 873 mSDsluCounter, 5042 mSDsCounter, 0 mSdLazyCounter, 5159 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 6464 SdHoareTripleChecker+Invalid, 5752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 5159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:33,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 6464 Invalid, 5752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 5159 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-22 23:48:33,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10481 states. [2022-07-22 23:48:34,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10481 to 8901. [2022-07-22 23:48:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8901 states, 6774 states have (on average 1.3542958370239149) internal successors, (9174), 6894 states have internal predecessors, (9174), 1610 states have call successors, (1610), 503 states have call predecessors, (1610), 516 states have return successors, (1625), 1571 states have call predecessors, (1625), 1609 states have call successors, (1625) [2022-07-22 23:48:34,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8901 states to 8901 states and 12409 transitions. [2022-07-22 23:48:34,398 INFO L78 Accepts]: Start accepts. Automaton has 8901 states and 12409 transitions. Word has length 391 [2022-07-22 23:48:34,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:34,399 INFO L495 AbstractCegarLoop]: Abstraction has 8901 states and 12409 transitions. [2022-07-22 23:48:34,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (30), 7 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-22 23:48:34,400 INFO L276 IsEmpty]: Start isEmpty. Operand 8901 states and 12409 transitions. [2022-07-22 23:48:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-22 23:48:34,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:34,417 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:34,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 23:48:34,417 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:34,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:34,418 INFO L85 PathProgramCache]: Analyzing trace with hash 344267092, now seen corresponding path program 1 times [2022-07-22 23:48:34,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:34,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656231606] [2022-07-22 23:48:34,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:34,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:34,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 23:48:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 23:48:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:48:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-22 23:48:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-22 23:48:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-22 23:48:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-22 23:48:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-22 23:48:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-22 23:48:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:48:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:48:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-22 23:48:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2022-07-22 23:48:35,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:35,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656231606] [2022-07-22 23:48:35,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656231606] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:35,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:35,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 23:48:35,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903373897] [2022-07-22 23:48:35,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:35,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 23:48:35,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:35,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 23:48:35,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:48:35,352 INFO L87 Difference]: Start difference. First operand 8901 states and 12409 transitions. Second operand has 10 states, 10 states have (on average 18.5) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (33), 7 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-22 23:48:38,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:38,794 INFO L93 Difference]: Finished difference Result 19447 states and 27405 transitions. [2022-07-22 23:48:38,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 23:48:38,795 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.5) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (33), 7 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 412 [2022-07-22 23:48:38,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:38,841 INFO L225 Difference]: With dead ends: 19447 [2022-07-22 23:48:38,842 INFO L226 Difference]: Without dead ends: 10597 [2022-07-22 23:48:38,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-07-22 23:48:38,869 INFO L413 NwaCegarLoop]: 1426 mSDtfsCounter, 1466 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 3256 mSolverCounterSat, 959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 5188 SdHoareTripleChecker+Invalid, 4215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 959 IncrementalHoareTripleChecker+Valid, 3256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:38,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 5188 Invalid, 4215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [959 Valid, 3256 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-22 23:48:38,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10597 states. [2022-07-22 23:48:39,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10597 to 8937. [2022-07-22 23:48:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8937 states, 6806 states have (on average 1.353805465765501) internal successors, (9214), 6926 states have internal predecessors, (9214), 1614 states have call successors, (1614), 503 states have call predecessors, (1614), 516 states have return successors, (1629), 1575 states have call predecessors, (1629), 1613 states have call successors, (1629) [2022-07-22 23:48:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8937 states to 8937 states and 12457 transitions. [2022-07-22 23:48:39,265 INFO L78 Accepts]: Start accepts. Automaton has 8937 states and 12457 transitions. Word has length 412 [2022-07-22 23:48:39,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:39,266 INFO L495 AbstractCegarLoop]: Abstraction has 8937 states and 12457 transitions. [2022-07-22 23:48:39,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.5) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (33), 7 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-22 23:48:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 8937 states and 12457 transitions. [2022-07-22 23:48:39,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2022-07-22 23:48:39,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:39,372 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:39,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 23:48:39,373 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:39,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:39,374 INFO L85 PathProgramCache]: Analyzing trace with hash -955924491, now seen corresponding path program 1 times [2022-07-22 23:48:39,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:39,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751457711] [2022-07-22 23:48:39,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:39,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 23:48:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 23:48:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:48:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-22 23:48:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-22 23:48:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 23:48:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 23:48:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 23:48:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-22 23:48:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-22 23:48:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-22 23:48:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-22 23:48:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-22 23:48:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-22 23:48:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-22 23:48:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:48:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:48:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-22 23:48:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2022-07-22 23:48:40,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:40,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751457711] [2022-07-22 23:48:40,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751457711] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:48:40,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301586564] [2022-07-22 23:48:40,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:40,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:48:40,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:48:40,235 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) [2022-07-22 23:48:40,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 23:48:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:41,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 7052 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 23:48:41,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:48:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2022-07-22 23:48:41,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:48:41,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301586564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:41,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 23:48:41,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 18 [2022-07-22 23:48:41,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399167026] [2022-07-22 23:48:41,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:41,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:48:41,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:41,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:48:41,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2022-07-22 23:48:41,814 INFO L87 Difference]: Start difference. First operand 8937 states and 12457 transitions. Second operand has 8 states, 8 states have (on average 32.125) internal successors, (257), 7 states have internal predecessors, (257), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-22 23:48:42,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:42,678 INFO L93 Difference]: Finished difference Result 22593 states and 31493 transitions. [2022-07-22 23:48:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 23:48:42,679 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 32.125) internal successors, (257), 7 states have internal predecessors, (257), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) Word has length 469 [2022-07-22 23:48:42,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:42,732 INFO L225 Difference]: With dead ends: 22593 [2022-07-22 23:48:42,732 INFO L226 Difference]: Without dead ends: 13707 [2022-07-22 23:48:42,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=638, Unknown=0, NotChecked=0, Total=756 [2022-07-22 23:48:42,759 INFO L413 NwaCegarLoop]: 2936 mSDtfsCounter, 1600 mSDsluCounter, 15800 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 18736 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:42,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1608 Valid, 18736 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 23:48:42,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13707 states. [2022-07-22 23:48:43,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13707 to 8989. [2022-07-22 23:48:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8989 states, 6846 states have (on average 1.352906806894537) internal successors, (9262), 6966 states have internal predecessors, (9262), 1622 states have call successors, (1622), 503 states have call predecessors, (1622), 520 states have return successors, (1645), 1587 states have call predecessors, (1645), 1621 states have call successors, (1645) [2022-07-22 23:48:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8989 states to 8989 states and 12529 transitions. [2022-07-22 23:48:43,227 INFO L78 Accepts]: Start accepts. Automaton has 8989 states and 12529 transitions. Word has length 469 [2022-07-22 23:48:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:43,228 INFO L495 AbstractCegarLoop]: Abstraction has 8989 states and 12529 transitions. [2022-07-22 23:48:43,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.125) internal successors, (257), 7 states have internal predecessors, (257), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 4 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-22 23:48:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 8989 states and 12529 transitions. [2022-07-22 23:48:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-22 23:48:43,242 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:43,243 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:43,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 23:48:43,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-22 23:48:43,472 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:43,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:43,472 INFO L85 PathProgramCache]: Analyzing trace with hash -480139397, now seen corresponding path program 1 times [2022-07-22 23:48:43,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:43,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767790073] [2022-07-22 23:48:43,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:43,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 23:48:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 23:48:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:48:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 23:48:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-22 23:48:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-22 23:48:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-22 23:48:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-22 23:48:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-22 23:48:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-22 23:48:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-22 23:48:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:48:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:48:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-22 23:48:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2022-07-22 23:48:44,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:44,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767790073] [2022-07-22 23:48:44,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767790073] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:44,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:44,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 23:48:44,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151802728] [2022-07-22 23:48:44,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:44,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 23:48:44,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:44,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 23:48:44,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:48:44,436 INFO L87 Difference]: Start difference. First operand 8989 states and 12529 transitions. Second operand has 10 states, 10 states have (on average 19.8) internal successors, (198), 5 states have internal predecessors, (198), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-22 23:48:48,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:48,346 INFO L93 Difference]: Finished difference Result 19659 states and 27705 transitions. [2022-07-22 23:48:48,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 23:48:48,347 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.8) internal successors, (198), 5 states have internal predecessors, (198), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 500 [2022-07-22 23:48:48,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:48,393 INFO L225 Difference]: With dead ends: 19659 [2022-07-22 23:48:48,394 INFO L226 Difference]: Without dead ends: 10721 [2022-07-22 23:48:48,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-07-22 23:48:48,499 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 1420 mSDsluCounter, 4506 mSDsCounter, 0 mSdLazyCounter, 3618 mSolverCounterSat, 926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 5953 SdHoareTripleChecker+Invalid, 4544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 926 IncrementalHoareTripleChecker+Valid, 3618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:48,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 5953 Invalid, 4544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [926 Valid, 3618 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-22 23:48:48,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10721 states. [2022-07-22 23:48:48,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10721 to 9025. [2022-07-22 23:48:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9025 states, 6878 states have (on average 1.352428031404478) internal successors, (9302), 6998 states have internal predecessors, (9302), 1626 states have call successors, (1626), 503 states have call predecessors, (1626), 520 states have return successors, (1649), 1591 states have call predecessors, (1649), 1625 states have call successors, (1649) [2022-07-22 23:48:48,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9025 states to 9025 states and 12577 transitions. [2022-07-22 23:48:48,974 INFO L78 Accepts]: Start accepts. Automaton has 9025 states and 12577 transitions. Word has length 500 [2022-07-22 23:48:48,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:48,975 INFO L495 AbstractCegarLoop]: Abstraction has 9025 states and 12577 transitions. [2022-07-22 23:48:48,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.8) internal successors, (198), 5 states have internal predecessors, (198), 2 states have call successors, (37), 7 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-22 23:48:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 9025 states and 12577 transitions. [2022-07-22 23:48:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-07-22 23:48:48,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:48,991 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:48,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 23:48:48,991 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:48,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:48,992 INFO L85 PathProgramCache]: Analyzing trace with hash 65242074, now seen corresponding path program 1 times [2022-07-22 23:48:48,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:48,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043600431] [2022-07-22 23:48:48,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:48,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 23:48:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 23:48:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:48:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 23:48:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 23:48:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-22 23:48:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-22 23:48:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-22 23:48:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-22 23:48:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-22 23:48:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-22 23:48:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-22 23:48:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:48:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:48:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-22 23:48:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:50,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2022-07-22 23:48:50,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:50,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043600431] [2022-07-22 23:48:50,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043600431] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:50,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:50,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 23:48:50,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64984863] [2022-07-22 23:48:50,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:50,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:48:50,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:50,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:48:50,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:48:50,152 INFO L87 Difference]: Start difference. First operand 9025 states and 12577 transitions. Second operand has 8 states, 8 states have (on average 26.625) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (38), 7 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-22 23:48:52,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:52,980 INFO L93 Difference]: Finished difference Result 19607 states and 27617 transitions. [2022-07-22 23:48:52,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 23:48:52,980 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.625) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (38), 7 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 521 [2022-07-22 23:48:52,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:53,031 INFO L225 Difference]: With dead ends: 19607 [2022-07-22 23:48:53,031 INFO L226 Difference]: Without dead ends: 10633 [2022-07-22 23:48:53,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-22 23:48:53,062 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 1339 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 1946 mSolverCounterSat, 881 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 3491 SdHoareTripleChecker+Invalid, 2827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 881 IncrementalHoareTripleChecker+Valid, 1946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:53,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 3491 Invalid, 2827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [881 Valid, 1946 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-22 23:48:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10633 states. [2022-07-22 23:48:53,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10633 to 9017. [2022-07-22 23:48:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9017 states, 6874 states have (on average 1.3520512074483562) internal successors, (9294), 6994 states have internal predecessors, (9294), 1622 states have call successors, (1622), 503 states have call predecessors, (1622), 520 states have return successors, (1645), 1587 states have call predecessors, (1645), 1621 states have call successors, (1645) [2022-07-22 23:48:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9017 states to 9017 states and 12561 transitions. [2022-07-22 23:48:53,640 INFO L78 Accepts]: Start accepts. Automaton has 9017 states and 12561 transitions. Word has length 521 [2022-07-22 23:48:53,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:53,640 INFO L495 AbstractCegarLoop]: Abstraction has 9017 states and 12561 transitions. [2022-07-22 23:48:53,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.625) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (38), 7 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-22 23:48:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 9017 states and 12561 transitions. [2022-07-22 23:48:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-07-22 23:48:53,658 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:53,658 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:53,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-22 23:48:53,658 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:53,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:53,659 INFO L85 PathProgramCache]: Analyzing trace with hash 715207066, now seen corresponding path program 1 times [2022-07-22 23:48:53,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:53,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436247635] [2022-07-22 23:48:53,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:53,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 23:48:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 23:48:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:48:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 23:48:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 23:48:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-22 23:48:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-22 23:48:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-22 23:48:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-22 23:48:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-22 23:48:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-22 23:48:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-22 23:48:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:48:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:48:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-22 23:48:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2022-07-22 23:48:54,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:54,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436247635] [2022-07-22 23:48:54,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436247635] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:48:54,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:48:54,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 23:48:54,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830958417] [2022-07-22 23:48:54,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:48:54,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:48:54,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:48:54,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:48:54,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:48:54,740 INFO L87 Difference]: Start difference. First operand 9017 states and 12561 transitions. Second operand has 8 states, 8 states have (on average 26.625) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (38), 7 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-22 23:48:58,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:48:58,147 INFO L93 Difference]: Finished difference Result 19627 states and 27629 transitions. [2022-07-22 23:48:58,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 23:48:58,150 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.625) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (38), 7 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 521 [2022-07-22 23:48:58,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:48:58,184 INFO L225 Difference]: With dead ends: 19627 [2022-07-22 23:48:58,184 INFO L226 Difference]: Without dead ends: 10661 [2022-07-22 23:48:58,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-22 23:48:58,206 INFO L413 NwaCegarLoop]: 1445 mSDtfsCounter, 1312 mSDsluCounter, 2770 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 4215 SdHoareTripleChecker+Invalid, 3028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 879 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:48:58,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 4215 Invalid, 3028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [879 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-22 23:48:58,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10661 states. [2022-07-22 23:48:58,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10661 to 9009. [2022-07-22 23:48:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9009 states, 6870 states have (on average 1.3516739446870452) internal successors, (9286), 6990 states have internal predecessors, (9286), 1618 states have call successors, (1618), 503 states have call predecessors, (1618), 520 states have return successors, (1641), 1583 states have call predecessors, (1641), 1617 states have call successors, (1641) [2022-07-22 23:48:58,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9009 states to 9009 states and 12545 transitions. [2022-07-22 23:48:58,622 INFO L78 Accepts]: Start accepts. Automaton has 9009 states and 12545 transitions. Word has length 521 [2022-07-22 23:48:58,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:48:58,622 INFO L495 AbstractCegarLoop]: Abstraction has 9009 states and 12545 transitions. [2022-07-22 23:48:58,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.625) internal successors, (213), 3 states have internal predecessors, (213), 2 states have call successors, (38), 7 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-22 23:48:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 9009 states and 12545 transitions. [2022-07-22 23:48:58,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-07-22 23:48:58,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:48:58,637 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:48:58,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-22 23:48:58,637 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:48:58,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:48:58,638 INFO L85 PathProgramCache]: Analyzing trace with hash -2123723814, now seen corresponding path program 1 times [2022-07-22 23:48:58,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:48:58,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421585183] [2022-07-22 23:48:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:58,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:48:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:48:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:48:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 23:48:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-22 23:48:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:48:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:48:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-22 23:48:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-22 23:48:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 23:48:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-22 23:48:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:48:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 23:48:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:48:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 23:48:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 23:48:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-22 23:48:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-22 23:48:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-22 23:48:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-22 23:48:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-22 23:48:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-22 23:48:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-22 23:48:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:48:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:48:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:48:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-22 23:48:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:48:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:48:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:48:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:48:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:48:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:48:59,827 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-07-22 23:48:59,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:48:59,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421585183] [2022-07-22 23:48:59,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421585183] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:48:59,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51309343] [2022-07-22 23:48:59,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:48:59,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:48:59,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:48:59,832 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) [2022-07-22 23:48:59,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 23:49:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:11,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 7469 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-22 23:49:11,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:49:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-07-22 23:49:12,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:49:12,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51309343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:49:12,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 23:49:12,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-07-22 23:49:12,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107623974] [2022-07-22 23:49:12,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:49:12,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 23:49:12,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:49:12,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 23:49:12,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-07-22 23:49:12,114 INFO L87 Difference]: Start difference. First operand 9009 states and 12545 transitions. Second operand has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-22 23:49:12,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:49:12,552 INFO L93 Difference]: Finished difference Result 18027 states and 25111 transitions. [2022-07-22 23:49:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 23:49:12,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 521 [2022-07-22 23:49:12,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:49:12,579 INFO L225 Difference]: With dead ends: 18027 [2022-07-22 23:49:12,580 INFO L226 Difference]: Without dead ends: 9009 [2022-07-22 23:49:12,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-07-22 23:49:12,600 INFO L413 NwaCegarLoop]: 1523 mSDtfsCounter, 2 mSDsluCounter, 7592 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9115 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 23:49:12,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9115 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 23:49:12,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9009 states. [2022-07-22 23:49:13,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9009 to 9009. [2022-07-22 23:49:13,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9009 states, 6870 states have (on average 1.3512372634643377) internal successors, (9283), 6990 states have internal predecessors, (9283), 1618 states have call successors, (1618), 503 states have call predecessors, (1618), 520 states have return successors, (1641), 1583 states have call predecessors, (1641), 1617 states have call successors, (1641) [2022-07-22 23:49:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9009 states to 9009 states and 12542 transitions. [2022-07-22 23:49:13,049 INFO L78 Accepts]: Start accepts. Automaton has 9009 states and 12542 transitions. Word has length 521 [2022-07-22 23:49:13,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:49:13,049 INFO L495 AbstractCegarLoop]: Abstraction has 9009 states and 12542 transitions. [2022-07-22 23:49:13,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-22 23:49:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 9009 states and 12542 transitions. [2022-07-22 23:49:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2022-07-22 23:49:13,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:49:13,067 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:49:13,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 23:49:13,268 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,SelfDestructingSolverStorable15 [2022-07-22 23:49:13,268 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:49:13,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:49:13,269 INFO L85 PathProgramCache]: Analyzing trace with hash -733529764, now seen corresponding path program 1 times [2022-07-22 23:49:13,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:49:13,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50711738] [2022-07-22 23:49:13,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:49:13,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:49:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:49:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 23:49:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 23:49:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 23:49:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 23:49:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-22 23:49:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-22 23:49:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-22 23:49:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-22 23:49:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:49:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 23:49:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 23:49:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-22 23:49:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-22 23:49:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-22 23:49:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-22 23:49:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-22 23:49:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-22 23:49:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-22 23:49:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-22 23:49:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-07-22 23:49:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2544 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 2521 trivial. 0 not checked. [2022-07-22 23:49:14,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:49:14,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50711738] [2022-07-22 23:49:14,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50711738] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:49:14,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812196340] [2022-07-22 23:49:14,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:49:14,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:49:14,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:49:14,662 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) [2022-07-22 23:49:14,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 23:49:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:16,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 8133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 23:49:16,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:49:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2544 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 1996 trivial. 0 not checked. [2022-07-22 23:49:16,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 23:49:16,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812196340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:49:16,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 23:49:16,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 10 [2022-07-22 23:49:16,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598199354] [2022-07-22 23:49:16,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:49:16,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 23:49:16,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:49:16,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 23:49:16,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-22 23:49:16,877 INFO L87 Difference]: Start difference. First operand 9009 states and 12542 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 2 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-22 23:49:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:49:17,377 INFO L93 Difference]: Finished difference Result 18008 states and 25187 transitions. [2022-07-22 23:49:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 23:49:17,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 2 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 689 [2022-07-22 23:49:17,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:49:17,408 INFO L225 Difference]: With dead ends: 18008 [2022-07-22 23:49:17,408 INFO L226 Difference]: Without dead ends: 9022 [2022-07-22 23:49:17,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 881 GetRequests, 871 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-22 23:49:17,433 INFO L413 NwaCegarLoop]: 1528 mSDtfsCounter, 2 mSDsluCounter, 3051 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4579 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 23:49:17,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4579 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 23:49:17,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9022 states. [2022-07-22 23:49:17,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9022 to 9022. [2022-07-22 23:49:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9022 states, 6883 states have (on average 1.3505738776696208) internal successors, (9296), 7003 states have internal predecessors, (9296), 1618 states have call successors, (1618), 503 states have call predecessors, (1618), 520 states have return successors, (1641), 1583 states have call predecessors, (1641), 1617 states have call successors, (1641) [2022-07-22 23:49:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9022 states to 9022 states and 12555 transitions. [2022-07-22 23:49:17,964 INFO L78 Accepts]: Start accepts. Automaton has 9022 states and 12555 transitions. Word has length 689 [2022-07-22 23:49:17,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:49:17,964 INFO L495 AbstractCegarLoop]: Abstraction has 9022 states and 12555 transitions. [2022-07-22 23:49:17,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 2 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-07-22 23:49:17,964 INFO L276 IsEmpty]: Start isEmpty. Operand 9022 states and 12555 transitions. [2022-07-22 23:49:17,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2022-07-22 23:49:17,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:49:17,976 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:49:18,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 23:49:18,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:49:18,177 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:49:18,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:49:18,178 INFO L85 PathProgramCache]: Analyzing trace with hash -683077979, now seen corresponding path program 1 times [2022-07-22 23:49:18,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:49:18,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672779287] [2022-07-22 23:49:18,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:49:18,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:49:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:49:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 23:49:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 23:49:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 23:49:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 23:49:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-22 23:49:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-22 23:49:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-22 23:49:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-22 23:49:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:49:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 23:49:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-22 23:49:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 23:49:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 23:49:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-22 23:49:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-22 23:49:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-22 23:49:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-07-22 23:49:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-22 23:49:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-07-22 23:49:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-07-22 23:49:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-07-22 23:49:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-22 23:49:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 2526 trivial. 0 not checked. [2022-07-22 23:49:19,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:49:19,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672779287] [2022-07-22 23:49:19,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672779287] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:49:19,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572128493] [2022-07-22 23:49:19,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:49:19,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:49:19,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:49:19,531 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) [2022-07-22 23:49:19,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 23:49:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:21,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 8178 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-22 23:49:21,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:49:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 548 proven. 7 refuted. 0 times theorem prover too weak. 2001 trivial. 0 not checked. [2022-07-22 23:49:21,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:49:21,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2535 trivial. 0 not checked. [2022-07-22 23:49:21,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572128493] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:49:21,959 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 23:49:21,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 5] total 16 [2022-07-22 23:49:21,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425202649] [2022-07-22 23:49:21,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 23:49:21,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-22 23:49:21,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:49:21,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-22 23:49:21,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-07-22 23:49:21,963 INFO L87 Difference]: Start difference. First operand 9022 states and 12555 transitions. Second operand has 16 states, 16 states have (on average 20.4375) internal successors, (327), 11 states have internal predecessors, (327), 4 states have call successors, (86), 7 states have call predecessors, (86), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) [2022-07-22 23:49:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:49:27,992 INFO L93 Difference]: Finished difference Result 19589 states and 27992 transitions. [2022-07-22 23:49:27,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-22 23:49:27,993 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 20.4375) internal successors, (327), 11 states have internal predecessors, (327), 4 states have call successors, (86), 7 states have call predecessors, (86), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) Word has length 692 [2022-07-22 23:49:27,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:49:28,036 INFO L225 Difference]: With dead ends: 19589 [2022-07-22 23:49:28,037 INFO L226 Difference]: Without dead ends: 10591 [2022-07-22 23:49:28,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1584 GetRequests, 1562 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2022-07-22 23:49:28,067 INFO L413 NwaCegarLoop]: 1411 mSDtfsCounter, 956 mSDsluCounter, 7752 mSDsCounter, 0 mSdLazyCounter, 6902 mSolverCounterSat, 599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 9163 SdHoareTripleChecker+Invalid, 7501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 599 IncrementalHoareTripleChecker+Valid, 6902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-22 23:49:28,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 9163 Invalid, 7501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [599 Valid, 6902 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-22 23:49:28,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10591 states. [2022-07-22 23:49:28,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10591 to 9067. [2022-07-22 23:49:28,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9067 states, 6924 states have (on average 1.3502310803004043) internal successors, (9349), 7048 states have internal predecessors, (9349), 1618 states have call successors, (1618), 503 states have call predecessors, (1618), 524 states have return successors, (1681), 1583 states have call predecessors, (1681), 1617 states have call successors, (1681) [2022-07-22 23:49:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9067 states to 9067 states and 12648 transitions. [2022-07-22 23:49:28,737 INFO L78 Accepts]: Start accepts. Automaton has 9067 states and 12648 transitions. Word has length 692 [2022-07-22 23:49:28,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:49:28,737 INFO L495 AbstractCegarLoop]: Abstraction has 9067 states and 12648 transitions. [2022-07-22 23:49:28,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 20.4375) internal successors, (327), 11 states have internal predecessors, (327), 4 states have call successors, (86), 7 states have call predecessors, (86), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) [2022-07-22 23:49:28,738 INFO L276 IsEmpty]: Start isEmpty. Operand 9067 states and 12648 transitions. [2022-07-22 23:49:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2022-07-22 23:49:28,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:49:28,754 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:49:28,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 23:49:28,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-22 23:49:28,980 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:49:28,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:49:28,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1050301589, now seen corresponding path program 1 times [2022-07-22 23:49:28,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:49:28,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778482644] [2022-07-22 23:49:28,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:49:28,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:49:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:49:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 23:49:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 23:49:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 23:49:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 23:49:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-22 23:49:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-22 23:49:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-22 23:49:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-22 23:49:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:29,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:49:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 23:49:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-22 23:49:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 23:49:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-22 23:49:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 23:49:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-22 23:49:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-22 23:49:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-22 23:49:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-22 23:49:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-07-22 23:49:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-22 23:49:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2022-07-22 23:49:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-07-22 23:49:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2579 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 2537 trivial. 0 not checked. [2022-07-22 23:49:30,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:49:30,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778482644] [2022-07-22 23:49:30,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778482644] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:49:30,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957719254] [2022-07-22 23:49:30,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:49:30,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:49:30,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:49:30,405 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) [2022-07-22 23:49:30,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 23:49:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:31,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 8357 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 23:49:31,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:49:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2579 backedges. 541 proven. 1 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2022-07-22 23:49:32,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:49:32,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2579 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 2557 trivial. 0 not checked. [2022-07-22 23:49:32,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957719254] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:49:32,616 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 23:49:32,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 4] total 15 [2022-07-22 23:49:32,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740456319] [2022-07-22 23:49:32,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 23:49:32,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-22 23:49:32,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:49:32,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-22 23:49:32,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-07-22 23:49:32,619 INFO L87 Difference]: Start difference. First operand 9067 states and 12648 transitions. Second operand has 15 states, 15 states have (on average 21.6) internal successors, (324), 10 states have internal predecessors, (324), 2 states have call successors, (85), 7 states have call predecessors, (85), 3 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-07-22 23:49:38,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:49:38,021 INFO L93 Difference]: Finished difference Result 19614 states and 28037 transitions. [2022-07-22 23:49:38,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 23:49:38,022 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 21.6) internal successors, (324), 10 states have internal predecessors, (324), 2 states have call successors, (85), 7 states have call predecessors, (85), 3 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 696 [2022-07-22 23:49:38,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:49:38,058 INFO L225 Difference]: With dead ends: 19614 [2022-07-22 23:49:38,058 INFO L226 Difference]: Without dead ends: 10572 [2022-07-22 23:49:38,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1589 GetRequests, 1572 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-07-22 23:49:38,084 INFO L413 NwaCegarLoop]: 1393 mSDtfsCounter, 1625 mSDsluCounter, 6521 mSDsCounter, 0 mSdLazyCounter, 5254 mSolverCounterSat, 1158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 7914 SdHoareTripleChecker+Invalid, 6412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1158 IncrementalHoareTripleChecker+Valid, 5254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:49:38,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 7914 Invalid, 6412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1158 Valid, 5254 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-22 23:49:38,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10572 states. [2022-07-22 23:49:38,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10572 to 9092. [2022-07-22 23:49:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9092 states, 6949 states have (on average 1.3489710749748165) internal successors, (9374), 7073 states have internal predecessors, (9374), 1618 states have call successors, (1618), 503 states have call predecessors, (1618), 524 states have return successors, (1681), 1583 states have call predecessors, (1681), 1617 states have call successors, (1681) [2022-07-22 23:49:38,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9092 states to 9092 states and 12673 transitions. [2022-07-22 23:49:38,507 INFO L78 Accepts]: Start accepts. Automaton has 9092 states and 12673 transitions. Word has length 696 [2022-07-22 23:49:38,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:49:38,507 INFO L495 AbstractCegarLoop]: Abstraction has 9092 states and 12673 transitions. [2022-07-22 23:49:38,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 21.6) internal successors, (324), 10 states have internal predecessors, (324), 2 states have call successors, (85), 7 states have call predecessors, (85), 3 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-07-22 23:49:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 9092 states and 12673 transitions. [2022-07-22 23:49:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2022-07-22 23:49:38,520 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:49:38,520 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:49:38,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 23:49:38,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:49:38,721 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:49:38,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:49:38,722 INFO L85 PathProgramCache]: Analyzing trace with hash 140644451, now seen corresponding path program 1 times [2022-07-22 23:49:38,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:49:38,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996399279] [2022-07-22 23:49:38,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:49:38,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:49:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:49:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 23:49:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 23:49:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 23:49:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 23:49:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-22 23:49:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-22 23:49:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-22 23:49:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-22 23:49:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:39,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:49:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-22 23:49:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-22 23:49:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:49:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-22 23:49:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-22 23:49:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-22 23:49:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-22 23:49:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-22 23:49:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-22 23:49:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-22 23:49:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2022-07-22 23:49:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-07-22 23:49:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-22 23:49:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 35 proven. 24 refuted. 0 times theorem prover too weak. 2552 trivial. 0 not checked. [2022-07-22 23:49:40,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:49:40,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996399279] [2022-07-22 23:49:40,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996399279] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:49:40,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712907170] [2022-07-22 23:49:40,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:49:40,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:49:40,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:49:40,352 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) [2022-07-22 23:49:40,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 23:49:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:41,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 8421 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-22 23:49:41,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:49:42,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 558 proven. 34 refuted. 0 times theorem prover too weak. 2019 trivial. 0 not checked. [2022-07-22 23:49:42,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:49:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 2587 trivial. 0 not checked. [2022-07-22 23:49:42,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712907170] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:49:42,798 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 23:49:42,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 6] total 21 [2022-07-22 23:49:42,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322427707] [2022-07-22 23:49:42,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 23:49:42,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-22 23:49:42,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:49:42,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-22 23:49:42,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-07-22 23:49:42,803 INFO L87 Difference]: Start difference. First operand 9092 states and 12673 transitions. Second operand has 21 states, 21 states have (on average 16.047619047619047) internal successors, (337), 16 states have internal predecessors, (337), 4 states have call successors, (86), 7 states have call predecessors, (86), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) [2022-07-22 23:49:50,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:49:50,251 INFO L93 Difference]: Finished difference Result 19755 states and 27938 transitions. [2022-07-22 23:49:50,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-22 23:49:50,252 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 16.047619047619047) internal successors, (337), 16 states have internal predecessors, (337), 4 states have call successors, (86), 7 states have call predecessors, (86), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) Word has length 700 [2022-07-22 23:49:50,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:49:50,287 INFO L225 Difference]: With dead ends: 19755 [2022-07-22 23:49:50,288 INFO L226 Difference]: Without dead ends: 10689 [2022-07-22 23:49:50,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1605 GetRequests, 1574 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2022-07-22 23:49:50,312 INFO L413 NwaCegarLoop]: 1408 mSDtfsCounter, 1069 mSDsluCounter, 9588 mSDsCounter, 0 mSdLazyCounter, 8257 mSolverCounterSat, 627 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 10996 SdHoareTripleChecker+Invalid, 8884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 627 IncrementalHoareTripleChecker+Valid, 8257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-22 23:49:50,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 10996 Invalid, 8884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [627 Valid, 8257 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-07-22 23:49:50,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10689 states. [2022-07-22 23:49:50,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10689 to 9117. [2022-07-22 23:49:50,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9117 states, 6974 states have (on average 1.3488672211069688) internal successors, (9407), 7098 states have internal predecessors, (9407), 1618 states have call successors, (1618), 503 states have call predecessors, (1618), 524 states have return successors, (1681), 1583 states have call predecessors, (1681), 1617 states have call successors, (1681) [2022-07-22 23:49:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9117 states to 9117 states and 12706 transitions. [2022-07-22 23:49:50,740 INFO L78 Accepts]: Start accepts. Automaton has 9117 states and 12706 transitions. Word has length 700 [2022-07-22 23:49:50,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:49:50,740 INFO L495 AbstractCegarLoop]: Abstraction has 9117 states and 12706 transitions. [2022-07-22 23:49:50,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 16.047619047619047) internal successors, (337), 16 states have internal predecessors, (337), 4 states have call successors, (86), 7 states have call predecessors, (86), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) [2022-07-22 23:49:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 9117 states and 12706 transitions. [2022-07-22 23:49:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-07-22 23:49:50,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:49:50,754 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:49:50,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 23:49:50,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:49:50,956 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:49:50,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:49:50,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1407689129, now seen corresponding path program 2 times [2022-07-22 23:49:50,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:49:50,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264201641] [2022-07-22 23:49:50,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:49:50,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:49:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:49:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 23:49:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 23:49:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 23:49:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 23:49:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-22 23:49:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-22 23:49:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-22 23:49:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-22 23:49:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:49:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:49:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 23:49:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 23:49:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-22 23:49:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-22 23:49:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-22 23:49:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-07-22 23:49:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-22 23:49:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-22 23:49:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-22 23:49:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-22 23:49:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:49:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:49:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:49:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2022-07-22 23:49:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:49:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:49:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:49:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:49:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:49:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:49:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2653 backedges. 44 proven. 37 refuted. 0 times theorem prover too weak. 2572 trivial. 0 not checked. [2022-07-22 23:49:52,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:49:52,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264201641] [2022-07-22 23:49:52,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264201641] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:49:52,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178823120] [2022-07-22 23:49:52,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 23:49:52,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:49:52,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:49:52,516 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 23:49:52,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-22 23:49:54,749 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 23:49:54,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:49:54,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 8600 conjuncts, 26 conjunts are in the unsatisfiable core [2022-07-22 23:49:54,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:49:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2653 backedges. 562 proven. 64 refuted. 0 times theorem prover too weak. 2027 trivial. 0 not checked. [2022-07-22 23:49:54,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:49:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2653 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 2626 trivial. 0 not checked. [2022-07-22 23:49:55,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178823120] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:49:55,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 23:49:55,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 7] total 25 [2022-07-22 23:49:55,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890966058] [2022-07-22 23:49:55,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 23:49:55,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-22 23:49:55,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:49:55,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-22 23:49:55,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2022-07-22 23:49:55,669 INFO L87 Difference]: Start difference. First operand 9117 states and 12706 transitions. Second operand has 25 states, 25 states have (on average 13.64) internal successors, (341), 20 states have internal predecessors, (341), 4 states have call successors, (86), 7 states have call predecessors, (86), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) [2022-07-22 23:50:06,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:50:06,612 INFO L93 Difference]: Finished difference Result 19852 states and 28143 transitions. [2022-07-22 23:50:06,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-22 23:50:06,613 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 13.64) internal successors, (341), 20 states have internal predecessors, (341), 4 states have call successors, (86), 7 states have call predecessors, (86), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) Word has length 704 [2022-07-22 23:50:06,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:50:06,650 INFO L225 Difference]: With dead ends: 19852 [2022-07-22 23:50:06,650 INFO L226 Difference]: Without dead ends: 10762 [2022-07-22 23:50:06,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1616 GetRequests, 1579 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=1163, Unknown=0, NotChecked=0, Total=1332 [2022-07-22 23:50:06,671 INFO L413 NwaCegarLoop]: 1415 mSDtfsCounter, 1060 mSDsluCounter, 12696 mSDsCounter, 0 mSdLazyCounter, 11567 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 14111 SdHoareTripleChecker+Invalid, 12180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 11567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:50:06,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 14111 Invalid, 12180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 11567 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-07-22 23:50:06,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10762 states. [2022-07-22 23:50:07,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10762 to 9134. [2022-07-22 23:50:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9134 states, 6991 states have (on average 1.3485910456300958) internal successors, (9428), 7115 states have internal predecessors, (9428), 1618 states have call successors, (1618), 503 states have call predecessors, (1618), 524 states have return successors, (1681), 1583 states have call predecessors, (1681), 1617 states have call successors, (1681) [2022-07-22 23:50:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9134 states to 9134 states and 12727 transitions. [2022-07-22 23:50:07,136 INFO L78 Accepts]: Start accepts. Automaton has 9134 states and 12727 transitions. Word has length 704 [2022-07-22 23:50:07,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:50:07,137 INFO L495 AbstractCegarLoop]: Abstraction has 9134 states and 12727 transitions. [2022-07-22 23:50:07,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.64) internal successors, (341), 20 states have internal predecessors, (341), 4 states have call successors, (86), 7 states have call predecessors, (86), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) [2022-07-22 23:50:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 9134 states and 12727 transitions. [2022-07-22 23:50:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-07-22 23:50:07,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:50:07,150 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 15, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:50:07,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-22 23:50:07,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:50:07,360 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:50:07,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:50:07,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1671823523, now seen corresponding path program 3 times [2022-07-22 23:50:07,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:50:07,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976393546] [2022-07-22 23:50:07,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:50:07,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:50:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:50:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 23:50:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 23:50:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 23:50:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 23:50:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-22 23:50:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-22 23:50:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-22 23:50:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-22 23:50:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:50:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-22 23:50:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 23:50:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-22 23:50:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:50:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-22 23:50:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-22 23:50:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-22 23:50:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:50:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:50:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-07-22 23:50:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-07-22 23:50:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-07-22 23:50:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-22 23:50:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-22 23:50:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-22 23:50:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2022-07-22 23:50:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:50:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:50:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2705 backedges. 55 proven. 53 refuted. 0 times theorem prover too weak. 2597 trivial. 0 not checked. [2022-07-22 23:50:08,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:50:08,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976393546] [2022-07-22 23:50:08,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976393546] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:50:08,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762437790] [2022-07-22 23:50:08,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 23:50:08,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:50:08,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:50:08,844 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 23:50:08,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-22 23:50:13,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-22 23:50:13,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 23:50:13,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 5660 conjuncts, 52 conjunts are in the unsatisfiable core [2022-07-22 23:50:13,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:50:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2705 backedges. 318 proven. 3 refuted. 0 times theorem prover too weak. 2384 trivial. 0 not checked. [2022-07-22 23:50:13,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:50:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2705 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 2579 trivial. 0 not checked. [2022-07-22 23:50:14,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762437790] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:50:14,566 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 23:50:14,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 12] total 35 [2022-07-22 23:50:14,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899464471] [2022-07-22 23:50:14,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 23:50:14,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-07-22 23:50:14,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:50:14,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-07-22 23:50:14,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1104, Unknown=0, NotChecked=0, Total=1190 [2022-07-22 23:50:14,569 INFO L87 Difference]: Start difference. First operand 9134 states and 12727 transitions. Second operand has 35 states, 34 states have (on average 10.705882352941176) internal successors, (364), 24 states have internal predecessors, (364), 5 states have call successors, (79), 7 states have call predecessors, (79), 8 states have return successors, (66), 8 states have call predecessors, (66), 5 states have call successors, (66) [2022-07-22 23:50:28,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:50:28,290 INFO L93 Difference]: Finished difference Result 19843 states and 27922 transitions. [2022-07-22 23:50:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-07-22 23:50:28,293 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 10.705882352941176) internal successors, (364), 24 states have internal predecessors, (364), 5 states have call successors, (79), 7 states have call predecessors, (79), 8 states have return successors, (66), 8 states have call predecessors, (66), 5 states have call successors, (66) Word has length 708 [2022-07-22 23:50:28,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:50:28,327 INFO L225 Difference]: With dead ends: 19843 [2022-07-22 23:50:28,327 INFO L226 Difference]: Without dead ends: 10765 [2022-07-22 23:50:28,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1632 GetRequests, 1580 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=216, Invalid=2646, Unknown=0, NotChecked=0, Total=2862 [2022-07-22 23:50:28,347 INFO L413 NwaCegarLoop]: 1411 mSDtfsCounter, 1273 mSDsluCounter, 24417 mSDsCounter, 0 mSdLazyCounter, 19965 mSolverCounterSat, 885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 25828 SdHoareTripleChecker+Invalid, 20850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 885 IncrementalHoareTripleChecker+Valid, 19965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:50:28,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 25828 Invalid, 20850 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [885 Valid, 19965 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2022-07-22 23:50:28,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10765 states. [2022-07-22 23:50:28,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10765 to 9194. [2022-07-22 23:50:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9194 states, 7043 states have (on average 1.346585261962232) internal successors, (9484), 7167 states have internal predecessors, (9484), 1618 states have call successors, (1618), 507 states have call predecessors, (1618), 532 states have return successors, (1685), 1587 states have call predecessors, (1685), 1617 states have call successors, (1685) [2022-07-22 23:50:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9194 states to 9194 states and 12787 transitions. [2022-07-22 23:50:28,778 INFO L78 Accepts]: Start accepts. Automaton has 9194 states and 12787 transitions. Word has length 708 [2022-07-22 23:50:28,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:50:28,779 INFO L495 AbstractCegarLoop]: Abstraction has 9194 states and 12787 transitions. [2022-07-22 23:50:28,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 10.705882352941176) internal successors, (364), 24 states have internal predecessors, (364), 5 states have call successors, (79), 7 states have call predecessors, (79), 8 states have return successors, (66), 8 states have call predecessors, (66), 5 states have call successors, (66) [2022-07-22 23:50:28,779 INFO L276 IsEmpty]: Start isEmpty. Operand 9194 states and 12787 transitions. [2022-07-22 23:50:28,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2022-07-22 23:50:28,791 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:50:28,792 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 16, 12, 12, 12, 12, 12, 12, 12, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:50:28,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-22 23:50:28,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-07-22 23:50:28,993 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:50:28,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:50:28,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1075936136, now seen corresponding path program 1 times [2022-07-22 23:50:28,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:50:28,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004400536] [2022-07-22 23:50:28,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:50:28,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:50:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:50:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 23:50:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 23:50:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 23:50:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 23:50:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-22 23:50:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-22 23:50:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-22 23:50:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-22 23:50:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:50:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:50:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-22 23:50:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 23:50:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:50:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-22 23:50:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-22 23:50:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-22 23:50:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:50:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:50:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-07-22 23:50:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-22 23:50:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-22 23:50:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-22 23:50:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-22 23:50:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-07-22 23:50:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-07-22 23:50:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-07-22 23:50:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2022-07-22 23:50:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:50:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:50:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:30,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2770 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2022-07-22 23:50:30,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:50:30,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004400536] [2022-07-22 23:50:30,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004400536] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 23:50:30,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222402295] [2022-07-22 23:50:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:50:30,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:50:30,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:50:30,720 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 23:50:30,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-22 23:50:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:32,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 8901 conjuncts, 42 conjunts are in the unsatisfiable core [2022-07-22 23:50:32,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 23:50:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2770 backedges. 580 proven. 160 refuted. 0 times theorem prover too weak. 2030 trivial. 0 not checked. [2022-07-22 23:50:33,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 23:50:33,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2770 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 2739 trivial. 0 not checked. [2022-07-22 23:50:33,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222402295] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 23:50:33,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 23:50:33,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 8] total 30 [2022-07-22 23:50:33,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784511563] [2022-07-22 23:50:33,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 23:50:33,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-07-22 23:50:33,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:50:33,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-07-22 23:50:33,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2022-07-22 23:50:33,984 INFO L87 Difference]: Start difference. First operand 9194 states and 12787 transitions. Second operand has 30 states, 30 states have (on average 11.733333333333333) internal successors, (352), 25 states have internal predecessors, (352), 4 states have call successors, (88), 7 states have call predecessors, (88), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) [2022-07-22 23:50:49,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:50:49,821 INFO L93 Difference]: Finished difference Result 20029 states and 28432 transitions. [2022-07-22 23:50:49,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-22 23:50:49,822 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 11.733333333333333) internal successors, (352), 25 states have internal predecessors, (352), 4 states have call successors, (88), 7 states have call predecessors, (88), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) Word has length 729 [2022-07-22 23:50:49,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:50:49,871 INFO L225 Difference]: With dead ends: 20029 [2022-07-22 23:50:49,872 INFO L226 Difference]: Without dead ends: 10887 [2022-07-22 23:50:49,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1678 GetRequests, 1630 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=197, Invalid=1695, Unknown=0, NotChecked=0, Total=1892 [2022-07-22 23:50:49,895 INFO L413 NwaCegarLoop]: 1407 mSDtfsCounter, 1095 mSDsluCounter, 18497 mSDsCounter, 0 mSdLazyCounter, 16773 mSolverCounterSat, 624 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 19904 SdHoareTripleChecker+Invalid, 17397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 16773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-07-22 23:50:49,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 19904 Invalid, 17397 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [624 Valid, 16773 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-07-22 23:50:49,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10887 states. [2022-07-22 23:50:50,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10887 to 9211. [2022-07-22 23:50:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9211 states, 7060 states have (on average 1.3457507082152975) internal successors, (9501), 7184 states have internal predecessors, (9501), 1618 states have call successors, (1618), 507 states have call predecessors, (1618), 532 states have return successors, (1685), 1587 states have call predecessors, (1685), 1617 states have call successors, (1685) [2022-07-22 23:50:50,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9211 states to 9211 states and 12804 transitions. [2022-07-22 23:50:50,379 INFO L78 Accepts]: Start accepts. Automaton has 9211 states and 12804 transitions. Word has length 729 [2022-07-22 23:50:50,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:50:50,379 INFO L495 AbstractCegarLoop]: Abstraction has 9211 states and 12804 transitions. [2022-07-22 23:50:50,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 11.733333333333333) internal successors, (352), 25 states have internal predecessors, (352), 4 states have call successors, (88), 7 states have call predecessors, (88), 5 states have return successors, (64), 2 states have call predecessors, (64), 4 states have call successors, (64) [2022-07-22 23:50:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 9211 states and 12804 transitions. [2022-07-22 23:50:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2022-07-22 23:50:50,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:50:50,392 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 18, 12, 12, 12, 12, 12, 12, 12, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 23:50:50,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-22 23:50:50,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 23:50:50,606 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:50:50,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:50:50,607 INFO L85 PathProgramCache]: Analyzing trace with hash 492444679, now seen corresponding path program 2 times [2022-07-22 23:50:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:50:50,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360052086] [2022-07-22 23:50:50,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:50:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:50:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 23:50:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-22 23:50:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-22 23:50:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-22 23:50:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-22 23:50:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-22 23:50:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-22 23:50:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-22 23:50:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-22 23:50:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-22 23:50:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-22 23:50:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 23:50:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-22 23:50:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-22 23:50:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:50:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 23:50:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-22 23:50:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-22 23:50:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:50:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:50:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-07-22 23:50:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-22 23:50:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2022-07-22 23:50:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2022-07-22 23:50:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2022-07-22 23:50:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-07-22 23:50:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 23:50:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:50:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-22 23:50:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-07-22 23:50:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-22 23:50:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-22 23:50:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-22 23:50:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:50:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-22 23:50:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 23:50:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:50:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:50:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2814 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2797 trivial. 0 not checked. [2022-07-22 23:50:52,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:50:52,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360052086] [2022-07-22 23:50:52,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360052086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:50:52,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:50:52,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 23:50:52,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311084622] [2022-07-22 23:50:52,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:50:52,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 23:50:52,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:50:52,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 23:50:52,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:50:52,406 INFO L87 Difference]: Start difference. First operand 9211 states and 12804 transitions. Second operand has 8 states, 8 states have (on average 27.625) internal successors, (221), 3 states have internal predecessors, (221), 2 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-22 23:50:55,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:50:55,822 INFO L93 Difference]: Finished difference Result 20173 states and 28351 transitions. [2022-07-22 23:50:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 23:50:55,823 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.625) internal successors, (221), 3 states have internal predecessors, (221), 2 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 732 [2022-07-22 23:50:55,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:50:55,864 INFO L225 Difference]: With dead ends: 20173 [2022-07-22 23:50:55,864 INFO L226 Difference]: Without dead ends: 11019 [2022-07-22 23:50:55,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-22 23:50:55,887 INFO L413 NwaCegarLoop]: 1459 mSDtfsCounter, 933 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 4018 SdHoareTripleChecker+Invalid, 3154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 598 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-22 23:50:55,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 4018 Invalid, 3154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [598 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-22 23:50:55,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11019 states.