./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.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 d7bcbc7066f71bf6da4f6dede38e3e78b7607c55d003b39ab5a687b04791c2e1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:38:43,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:38:43,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:38:43,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:38:43,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:38:43,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:38:43,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:38:43,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:38:43,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:38:43,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:38:43,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:38:43,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:38:43,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:38:43,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:38:43,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:38:43,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:38:43,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:38:43,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:38:43,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:38:43,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:38:43,636 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:38:43,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:38:43,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:38:43,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:38:43,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:38:43,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:38:43,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:38:43,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:38:43,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:38:43,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:38:43,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:38:43,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:38:43,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:38:43,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:38:43,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:38:43,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:38:43,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:38:43,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:38:43,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:38:43,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:38:43,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:38:43,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:38:43,665 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:38:43,702 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:38:43,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:38:43,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:38:43,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:38:43,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:38:43,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:38:43,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:38:43,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:38:43,705 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:38:43,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:38:43,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:38:43,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:38:43,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:38:43,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:38:43,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:38:43,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:38:43,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:38:43,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:38:43,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:38:43,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:38:43,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:38:43,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:38:43,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:38:43,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:38:43,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:38:43,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:38:43,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:38:43,711 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:38:43,711 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:38:43,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:38:43,712 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7bcbc7066f71bf6da4f6dede38e3e78b7607c55d003b39ab5a687b04791c2e1 [2022-07-21 11:38:44,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:38:44,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:38:44,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:38:44,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:38:44,063 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:38:44,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:38:44,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca1811de/99d70d20c5ca48439c9da1ce578b84b1/FLAGff1755ac0 [2022-07-21 11:38:44,778 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:38:44,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:38:44,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca1811de/99d70d20c5ca48439c9da1ce578b84b1/FLAGff1755ac0 [2022-07-21 11:38:44,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca1811de/99d70d20c5ca48439c9da1ce578b84b1 [2022-07-21 11:38:44,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:38:44,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:38:44,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:38:44,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:38:44,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:38:44,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:38:44" (1/1) ... [2022-07-21 11:38:44,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6099efae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:44, skipping insertion in model container [2022-07-21 11:38:44,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:38:44" (1/1) ... [2022-07-21 11:38:44,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:38:45,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:38:45,964 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-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2022-07-21 11:38:45,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:38:46,113 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:38:46,355 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-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2022-07-21 11:38:46,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:38:46,472 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:38:46,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46 WrapperNode [2022-07-21 11:38:46,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:38:46,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:38:46,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:38:46,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:38:46,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:46,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:46,743 INFO L137 Inliner]: procedures = 106, calls = 3467, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 4321 [2022-07-21 11:38:46,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:38:46,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:38:46,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:38:46,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:38:46,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:46,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:46,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:46,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:47,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:47,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:47,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:47,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:38:47,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:38:47,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:38:47,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:38:47,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (1/1) ... [2022-07-21 11:38:47,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:38:47,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:38:47,205 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) [2022-07-21 11:38:47,233 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 [2022-07-21 11:38:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2022-07-21 11:38:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2022-07-21 11:38:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2022-07-21 11:38:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2022-07-21 11:38:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:38:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 11:38:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 11:38:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2022-07-21 11:38:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2022-07-21 11:38:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:38:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:38:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2022-07-21 11:38:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2022-07-21 11:38:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:38:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:38:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:38:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 11:38:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 11:38:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2022-07-21 11:38:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2022-07-21 11:38:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:38:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:38:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:38:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:38:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-07-21 11:38:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-07-21 11:38:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 11:38:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 11:38:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2022-07-21 11:38:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2022-07-21 11:38:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:38:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:38:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2022-07-21 11:38:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2022-07-21 11:38:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2022-07-21 11:38:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2022-07-21 11:38:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:38:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2022-07-21 11:38:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2022-07-21 11:38:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2022-07-21 11:38:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2022-07-21 11:38:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:38:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:38:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 11:38:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 11:38:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:38:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:38:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:38:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2022-07-21 11:38:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2022-07-21 11:38:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 11:38:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 11:38:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:38:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2022-07-21 11:38:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2022-07-21 11:38:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2022-07-21 11:38:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2022-07-21 11:38:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 11:38:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 11:38:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:38:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:38:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:38:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2022-07-21 11:38:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2022-07-21 11:38:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2022-07-21 11:38:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2022-07-21 11:38:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2022-07-21 11:38:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2022-07-21 11:38:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2022-07-21 11:38:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2022-07-21 11:38:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:38:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:38:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 11:38:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 11:38:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-07-21 11:38:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-07-21 11:38:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2022-07-21 11:38:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2022-07-21 11:38:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 11:38:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 11:38:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-21 11:38:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-21 11:38:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2022-07-21 11:38:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2022-07-21 11:38:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:38:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2022-07-21 11:38:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2022-07-21 11:38:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-21 11:38:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-21 11:38:47,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:38:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:38:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:38:47,267 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2022-07-21 11:38:47,267 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2022-07-21 11:38:47,677 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:38:47,679 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:38:48,308 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:38:52,972 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:38:52,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:38:52,988 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 11:38:52,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:38:52 BoogieIcfgContainer [2022-07-21 11:38:52,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:38:52,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:38:52,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:38:52,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:38:52,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:38:44" (1/3) ... [2022-07-21 11:38:52,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b717fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:38:52, skipping insertion in model container [2022-07-21 11:38:53,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:38:46" (2/3) ... [2022-07-21 11:38:53,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b717fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:38:53, skipping insertion in model container [2022-07-21 11:38:53,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:38:52" (3/3) ... [2022-07-21 11:38:53,002 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-07-21 11:38:53,014 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:38:53,015 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:38:53,089 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:38:53,096 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@1fe68c90, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5aaf2cc8 [2022-07-21 11:38:53,096 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:38:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 907 states, 662 states have (on average 1.4652567975830815) internal successors, (970), 678 states have internal predecessors, (970), 205 states have call successors, (205), 39 states have call predecessors, (205), 38 states have return successors, (202), 198 states have call predecessors, (202), 202 states have call successors, (202) [2022-07-21 11:38:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-21 11:38:53,139 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:53,141 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:53,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:53,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:53,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1215364461, now seen corresponding path program 1 times [2022-07-21 11:38:53,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:53,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060673901] [2022-07-21 11:38:53,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:53,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:38:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:38:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:38:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:38:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:38:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:38:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:38:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:38:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:38:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:38:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:38:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:38:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:38:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:38:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:38:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:38:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:38:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:38:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:38:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:38:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:38:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:38:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:38:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:38:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:38:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:38:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:38:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:38:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:38:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:38:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:38:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:38:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:38:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:38:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:38:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:38:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:38:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:38:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:38:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:38:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:38:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:38:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:38:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:38:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:38:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:38:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2022-07-21 11:38:54,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:38:54,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060673901] [2022-07-21 11:38:54,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060673901] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:38:54,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:38:54,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:38:54,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577110501] [2022-07-21 11:38:54,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:38:54,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:38:54,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:38:54,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:38:54,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:38:54,892 INFO L87 Difference]: Start difference. First operand has 907 states, 662 states have (on average 1.4652567975830815) internal successors, (970), 678 states have internal predecessors, (970), 205 states have call successors, (205), 39 states have call predecessors, (205), 38 states have return successors, (202), 198 states have call predecessors, (202), 202 states have call successors, (202) Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (48), 5 states have call predecessors, (48), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-07-21 11:38:56,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:38:59,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:38:59,220 INFO L93 Difference]: Finished difference Result 1948 states and 3048 transitions. [2022-07-21 11:38:59,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:38:59,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (48), 5 states have call predecessors, (48), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 358 [2022-07-21 11:38:59,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:38:59,242 INFO L225 Difference]: With dead ends: 1948 [2022-07-21 11:38:59,243 INFO L226 Difference]: Without dead ends: 1024 [2022-07-21 11:38:59,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:38:59,262 INFO L413 NwaCegarLoop]: 1150 mSDtfsCounter, 946 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 1957 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:38:59,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [972 Valid, 1957 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 11:38:59,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2022-07-21 11:38:59,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 886. [2022-07-21 11:38:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 648 states have (on average 1.367283950617284) internal successors, (886), 660 states have internal predecessors, (886), 199 states have call successors, (199), 38 states have call predecessors, (199), 38 states have return successors, (199), 195 states have call predecessors, (199), 199 states have call successors, (199) [2022-07-21 11:38:59,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1284 transitions. [2022-07-21 11:38:59,408 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1284 transitions. Word has length 358 [2022-07-21 11:38:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:38:59,410 INFO L495 AbstractCegarLoop]: Abstraction has 886 states and 1284 transitions. [2022-07-21 11:38:59,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (48), 5 states have call predecessors, (48), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-07-21 11:38:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1284 transitions. [2022-07-21 11:38:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-21 11:38:59,418 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:38:59,419 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:38:59,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:38:59,419 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:38:59,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:38:59,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1270883467, now seen corresponding path program 1 times [2022-07-21 11:38:59,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:38:59,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090047352] [2022-07-21 11:38:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:38:59,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:38:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2022-07-21 11:39:00,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:00,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090047352] [2022-07-21 11:39:00,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090047352] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:00,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:00,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:39:00,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880552734] [2022-07-21 11:39:00,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:00,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:39:00,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:00,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:39:00,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:39:00,483 INFO L87 Difference]: Start difference. First operand 886 states and 1284 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-21 11:39:03,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:03,466 INFO L93 Difference]: Finished difference Result 1967 states and 2884 transitions. [2022-07-21 11:39:03,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:39:03,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 358 [2022-07-21 11:39:03,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:03,475 INFO L225 Difference]: With dead ends: 1967 [2022-07-21 11:39:03,475 INFO L226 Difference]: Without dead ends: 1185 [2022-07-21 11:39:03,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:39:03,484 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 1630 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 2148 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:03,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 2148 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [903 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 11:39:03,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-07-21 11:39:03,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1041. [2022-07-21 11:39:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 755 states have (on average 1.3629139072847682) internal successors, (1029), 772 states have internal predecessors, (1029), 237 states have call successors, (237), 48 states have call predecessors, (237), 48 states have return successors, (237), 233 states have call predecessors, (237), 237 states have call successors, (237) [2022-07-21 11:39:03,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1503 transitions. [2022-07-21 11:39:03,548 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1503 transitions. Word has length 358 [2022-07-21 11:39:03,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:03,552 INFO L495 AbstractCegarLoop]: Abstraction has 1041 states and 1503 transitions. [2022-07-21 11:39:03,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-21 11:39:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1503 transitions. [2022-07-21 11:39:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-07-21 11:39:03,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:03,559 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:39:03,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:39:03,559 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:03,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:03,560 INFO L85 PathProgramCache]: Analyzing trace with hash -210787151, now seen corresponding path program 1 times [2022-07-21 11:39:03,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:03,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877474892] [2022-07-21 11:39:03,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:03,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:04,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2022-07-21 11:39:04,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:04,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877474892] [2022-07-21 11:39:04,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877474892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:04,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:04,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:39:04,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322448675] [2022-07-21 11:39:04,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:04,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:39:04,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:04,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:39:04,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:39:04,640 INFO L87 Difference]: Start difference. First operand 1041 states and 1503 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-07-21 11:39:08,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:08,434 INFO L93 Difference]: Finished difference Result 2122 states and 3102 transitions. [2022-07-21 11:39:08,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:39:08,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 370 [2022-07-21 11:39:08,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:08,445 INFO L225 Difference]: With dead ends: 2122 [2022-07-21 11:39:08,445 INFO L226 Difference]: Without dead ends: 1185 [2022-07-21 11:39:08,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:39:08,451 INFO L413 NwaCegarLoop]: 1112 mSDtfsCounter, 1912 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 2271 SdHoareTripleChecker+Invalid, 1838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:08,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 2271 Invalid, 1838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-21 11:39:08,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-07-21 11:39:08,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1041. [2022-07-21 11:39:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 755 states have (on average 1.3602649006622516) internal successors, (1027), 772 states have internal predecessors, (1027), 237 states have call successors, (237), 48 states have call predecessors, (237), 48 states have return successors, (237), 233 states have call predecessors, (237), 237 states have call successors, (237) [2022-07-21 11:39:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1501 transitions. [2022-07-21 11:39:08,511 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1501 transitions. Word has length 370 [2022-07-21 11:39:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:08,513 INFO L495 AbstractCegarLoop]: Abstraction has 1041 states and 1501 transitions. [2022-07-21 11:39:08,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-07-21 11:39:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1501 transitions. [2022-07-21 11:39:08,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-07-21 11:39:08,520 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:08,520 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 11:39:08,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:39:08,522 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:08,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:08,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1012051571, now seen corresponding path program 1 times [2022-07-21 11:39:08,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:08,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512320796] [2022-07-21 11:39:08,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:08,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2022-07-21 11:39:09,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:09,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512320796] [2022-07-21 11:39:09,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512320796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:09,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:09,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:39:09,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257369625] [2022-07-21 11:39:09,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:09,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:39:09,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:09,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:39:09,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:39:09,454 INFO L87 Difference]: Start difference. First operand 1041 states and 1501 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-21 11:39:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:12,773 INFO L93 Difference]: Finished difference Result 2128 states and 3106 transitions. [2022-07-21 11:39:12,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:39:12,780 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 372 [2022-07-21 11:39:12,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:12,790 INFO L225 Difference]: With dead ends: 2128 [2022-07-21 11:39:12,790 INFO L226 Difference]: Without dead ends: 1185 [2022-07-21 11:39:12,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:39:12,799 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 1274 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 763 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 2945 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 763 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:12,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 2945 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [763 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 11:39:12,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-07-21 11:39:12,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1041. [2022-07-21 11:39:12,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 755 states have (on average 1.3576158940397351) internal successors, (1025), 772 states have internal predecessors, (1025), 237 states have call successors, (237), 48 states have call predecessors, (237), 48 states have return successors, (237), 233 states have call predecessors, (237), 237 states have call successors, (237) [2022-07-21 11:39:12,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1499 transitions. [2022-07-21 11:39:12,847 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1499 transitions. Word has length 372 [2022-07-21 11:39:12,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:12,850 INFO L495 AbstractCegarLoop]: Abstraction has 1041 states and 1499 transitions. [2022-07-21 11:39:12,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-21 11:39:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1499 transitions. [2022-07-21 11:39:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-21 11:39:12,857 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:12,857 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 11:39:12,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:39:12,857 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:12,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:12,858 INFO L85 PathProgramCache]: Analyzing trace with hash 674005042, now seen corresponding path program 1 times [2022-07-21 11:39:12,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:12,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050079275] [2022-07-21 11:39:12,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:12,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2022-07-21 11:39:13,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:13,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050079275] [2022-07-21 11:39:13,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050079275] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:13,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:13,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:39:13,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245766107] [2022-07-21 11:39:13,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:13,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:39:13,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:13,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:39:13,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:39:13,693 INFO L87 Difference]: Start difference. First operand 1041 states and 1499 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-21 11:39:18,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:18,831 INFO L93 Difference]: Finished difference Result 2126 states and 3098 transitions. [2022-07-21 11:39:18,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:39:18,832 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 375 [2022-07-21 11:39:18,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:18,840 INFO L225 Difference]: With dead ends: 2126 [2022-07-21 11:39:18,841 INFO L226 Difference]: Without dead ends: 1173 [2022-07-21 11:39:18,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:39:18,846 INFO L413 NwaCegarLoop]: 1106 mSDtfsCounter, 801 mSDsluCounter, 2519 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 3625 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:18,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 3625 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-21 11:39:18,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-07-21 11:39:18,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1029. [2022-07-21 11:39:18,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 749 states have (on average 1.349799732977303) internal successors, (1011), 764 states have internal predecessors, (1011), 233 states have call successors, (233), 46 states have call predecessors, (233), 46 states have return successors, (233), 229 states have call predecessors, (233), 233 states have call successors, (233) [2022-07-21 11:39:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1477 transitions. [2022-07-21 11:39:18,893 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1477 transitions. Word has length 375 [2022-07-21 11:39:18,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:18,894 INFO L495 AbstractCegarLoop]: Abstraction has 1029 states and 1477 transitions. [2022-07-21 11:39:18,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-21 11:39:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1477 transitions. [2022-07-21 11:39:18,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-07-21 11:39:18,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:18,899 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 8, 8, 6, 6, 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, 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] [2022-07-21 11:39:18,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 11:39:18,899 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:18,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:18,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2126606775, now seen corresponding path program 1 times [2022-07-21 11:39:18,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:18,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937735326] [2022-07-21 11:39:18,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:18,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:39:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 11:39:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:39:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 11:39:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:39:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 11:39:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-21 11:39:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 11:39:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-21 11:39:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3984 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 3967 trivial. 0 not checked. [2022-07-21 11:39:19,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:19,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937735326] [2022-07-21 11:39:19,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937735326] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:39:19,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883286300] [2022-07-21 11:39:19,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:19,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:19,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:39:19,867 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) [2022-07-21 11:39:19,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 11:39:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:21,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 10026 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:39:21,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:39:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3984 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3949 trivial. 0 not checked. [2022-07-21 11:39:21,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:39:21,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883286300] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:21,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:39:21,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-07-21 11:39:21,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017895914] [2022-07-21 11:39:21,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:21,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:39:21,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:21,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:39:21,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:39:21,885 INFO L87 Difference]: Start difference. First operand 1029 states and 1477 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-21 11:39:21,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:21,970 INFO L93 Difference]: Finished difference Result 1966 states and 2919 transitions. [2022-07-21 11:39:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:39:21,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 504 [2022-07-21 11:39:21,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:21,977 INFO L225 Difference]: With dead ends: 1966 [2022-07-21 11:39:21,978 INFO L226 Difference]: Without dead ends: 1041 [2022-07-21 11:39:21,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 650 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:39:21,983 INFO L413 NwaCegarLoop]: 1269 mSDtfsCounter, 2 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:21,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2531 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:39:21,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2022-07-21 11:39:22,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 1033. [2022-07-21 11:39:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 753 states have (on average 1.347941567065073) internal successors, (1015), 768 states have internal predecessors, (1015), 233 states have call successors, (233), 46 states have call predecessors, (233), 46 states have return successors, (233), 229 states have call predecessors, (233), 233 states have call successors, (233) [2022-07-21 11:39:22,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1481 transitions. [2022-07-21 11:39:22,029 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1481 transitions. Word has length 504 [2022-07-21 11:39:22,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:22,030 INFO L495 AbstractCegarLoop]: Abstraction has 1033 states and 1481 transitions. [2022-07-21 11:39:22,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-21 11:39:22,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1481 transitions. [2022-07-21 11:39:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-07-21 11:39:22,034 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:22,035 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 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, 4, 4, 4, 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] [2022-07-21 11:39:22,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:39:22,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-21 11:39:22,258 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:22,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:22,258 INFO L85 PathProgramCache]: Analyzing trace with hash 2076921981, now seen corresponding path program 1 times [2022-07-21 11:39:22,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:22,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630911739] [2022-07-21 11:39:22,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:22,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:22,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:39:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 11:39:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:39:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 11:39:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 11:39:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 11:39:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 11:39:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 11:39:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:23,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4029 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4027 trivial. 0 not checked. [2022-07-21 11:39:23,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:23,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630911739] [2022-07-21 11:39:23,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630911739] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:23,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:23,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:39:23,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376989127] [2022-07-21 11:39:23,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:23,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:39:23,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:23,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:39:23,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:39:23,151 INFO L87 Difference]: Start difference. First operand 1033 states and 1481 transitions. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (61), 6 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-07-21 11:39:27,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:27,613 INFO L93 Difference]: Finished difference Result 2114 states and 3071 transitions. [2022-07-21 11:39:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:39:27,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (61), 6 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 510 [2022-07-21 11:39:27,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:27,623 INFO L225 Difference]: With dead ends: 2114 [2022-07-21 11:39:27,624 INFO L226 Difference]: Without dead ends: 1185 [2022-07-21 11:39:27,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:39:27,628 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 992 mSDsluCounter, 1768 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 2865 SdHoareTripleChecker+Invalid, 2437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:27,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 2865 Invalid, 2437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-21 11:39:27,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2022-07-21 11:39:27,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1035. [2022-07-21 11:39:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 755 states have (on average 1.347019867549669) internal successors, (1017), 770 states have internal predecessors, (1017), 233 states have call successors, (233), 46 states have call predecessors, (233), 46 states have return successors, (233), 229 states have call predecessors, (233), 233 states have call successors, (233) [2022-07-21 11:39:27,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1483 transitions. [2022-07-21 11:39:27,674 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1483 transitions. Word has length 510 [2022-07-21 11:39:27,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:27,675 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1483 transitions. [2022-07-21 11:39:27,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (61), 6 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-07-21 11:39:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1483 transitions. [2022-07-21 11:39:27,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-07-21 11:39:27,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:27,680 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 11:39:27,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 11:39:27,681 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:27,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:27,681 INFO L85 PathProgramCache]: Analyzing trace with hash -892946473, now seen corresponding path program 1 times [2022-07-21 11:39:27,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:27,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150890912] [2022-07-21 11:39:27,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:27,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:39:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 11:39:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:39:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 11:39:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 11:39:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 11:39:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 11:39:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-21 11:39:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-21 11:39:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4176 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4173 trivial. 0 not checked. [2022-07-21 11:39:28,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:28,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150890912] [2022-07-21 11:39:28,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150890912] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:39:28,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414698665] [2022-07-21 11:39:28,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:28,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:28,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:39:28,668 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) [2022-07-21 11:39:28,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 11:39:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:30,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 10099 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:39:30,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:39:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4176 backedges. 212 proven. 1 refuted. 0 times theorem prover too weak. 3963 trivial. 0 not checked. [2022-07-21 11:39:30,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:39:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4176 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4173 trivial. 0 not checked. [2022-07-21 11:39:30,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414698665] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:39:30,874 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:39:30,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-21 11:39:30,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674163308] [2022-07-21 11:39:30,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:39:30,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:39:30,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:30,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:39:30,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:39:30,877 INFO L87 Difference]: Start difference. First operand 1035 states and 1483 transitions. Second operand has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 5 states have call successors, (118), 6 states have call predecessors, (118), 2 states have return successors, (67), 5 states have call predecessors, (67), 5 states have call successors, (67) [2022-07-21 11:39:36,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:36,304 INFO L93 Difference]: Finished difference Result 2130 states and 3095 transitions. [2022-07-21 11:39:36,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:39:36,305 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 5 states have call successors, (118), 6 states have call predecessors, (118), 2 states have return successors, (67), 5 states have call predecessors, (67), 5 states have call successors, (67) Word has length 536 [2022-07-21 11:39:36,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:36,314 INFO L225 Difference]: With dead ends: 2130 [2022-07-21 11:39:36,314 INFO L226 Difference]: Without dead ends: 1199 [2022-07-21 11:39:36,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1238 GetRequests, 1228 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:39:36,319 INFO L413 NwaCegarLoop]: 1101 mSDtfsCounter, 852 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 3587 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 4488 SdHoareTripleChecker+Invalid, 4084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 3587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:36,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 4488 Invalid, 4084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 3587 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-21 11:39:36,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2022-07-21 11:39:36,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1053. [2022-07-21 11:39:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 767 states have (on average 1.3415906127770534) internal successors, (1029), 782 states have internal predecessors, (1029), 239 states have call successors, (239), 46 states have call predecessors, (239), 46 states have return successors, (239), 235 states have call predecessors, (239), 239 states have call successors, (239) [2022-07-21 11:39:36,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1507 transitions. [2022-07-21 11:39:36,367 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1507 transitions. Word has length 536 [2022-07-21 11:39:36,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:36,368 INFO L495 AbstractCegarLoop]: Abstraction has 1053 states and 1507 transitions. [2022-07-21 11:39:36,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 5 states have call successors, (118), 6 states have call predecessors, (118), 2 states have return successors, (67), 5 states have call predecessors, (67), 5 states have call successors, (67) [2022-07-21 11:39:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1507 transitions. [2022-07-21 11:39:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2022-07-21 11:39:36,373 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:36,374 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 16, 16, 16, 16, 8, 8, 8, 8, 8, 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, 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] [2022-07-21 11:39:36,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:39:36,587 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,SelfDestructingSolverStorable7 [2022-07-21 11:39:36,588 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:36,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:36,591 INFO L85 PathProgramCache]: Analyzing trace with hash 15352549, now seen corresponding path program 2 times [2022-07-21 11:39:36,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:36,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997884263] [2022-07-21 11:39:36,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:36,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:39:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 11:39:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:39:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 11:39:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 11:39:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 11:39:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 11:39:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-21 11:39:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 11:39:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 11:39:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-21 11:39:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-21 11:39:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4843 trivial. 0 not checked. [2022-07-21 11:39:37,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:37,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997884263] [2022-07-21 11:39:37,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997884263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:37,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:37,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:39:37,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225606780] [2022-07-21 11:39:37,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:37,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:39:37,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:37,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:39:37,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:39:37,693 INFO L87 Difference]: Start difference. First operand 1053 states and 1507 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-21 11:39:42,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:42,851 INFO L93 Difference]: Finished difference Result 2052 states and 2972 transitions. [2022-07-21 11:39:42,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:39:42,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 614 [2022-07-21 11:39:42,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:42,859 INFO L225 Difference]: With dead ends: 2052 [2022-07-21 11:39:42,859 INFO L226 Difference]: Without dead ends: 1085 [2022-07-21 11:39:42,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:39:42,863 INFO L413 NwaCegarLoop]: 1073 mSDtfsCounter, 1850 mSDsluCounter, 1619 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 2692 SdHoareTripleChecker+Invalid, 2418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:42,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 2692 Invalid, 2418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [698 Valid, 1720 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-21 11:39:42,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2022-07-21 11:39:42,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 943. [2022-07-21 11:39:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 692 states have (on average 1.3453757225433527) internal successors, (931), 705 states have internal predecessors, (931), 207 states have call successors, (207), 43 states have call predecessors, (207), 43 states have return successors, (207), 203 states have call predecessors, (207), 207 states have call successors, (207) [2022-07-21 11:39:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1345 transitions. [2022-07-21 11:39:42,913 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1345 transitions. Word has length 614 [2022-07-21 11:39:42,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:42,914 INFO L495 AbstractCegarLoop]: Abstraction has 943 states and 1345 transitions. [2022-07-21 11:39:42,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-21 11:39:42,914 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1345 transitions. [2022-07-21 11:39:42,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2022-07-21 11:39:42,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:42,919 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 16, 16, 16, 16, 8, 8, 8, 8, 8, 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, 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] [2022-07-21 11:39:42,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 11:39:42,920 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:42,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:42,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1687241952, now seen corresponding path program 1 times [2022-07-21 11:39:42,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:42,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490590949] [2022-07-21 11:39:42,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:42,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:39:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 11:39:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:39:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 11:39:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 11:39:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 11:39:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 11:39:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-21 11:39:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 11:39:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 11:39:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-21 11:39:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-21 11:39:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 4821 trivial. 0 not checked. [2022-07-21 11:39:44,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:44,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490590949] [2022-07-21 11:39:44,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490590949] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:39:44,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397699013] [2022-07-21 11:39:44,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:44,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:44,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:39:44,030 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) [2022-07-21 11:39:44,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 11:39:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:45,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 10301 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 11:39:46,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:39:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 422 proven. 22 refuted. 0 times theorem prover too weak. 4401 trivial. 0 not checked. [2022-07-21 11:39:46,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:39:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 4821 trivial. 0 not checked. [2022-07-21 11:39:46,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397699013] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:39:46,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:39:46,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 16 [2022-07-21 11:39:46,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982546291] [2022-07-21 11:39:46,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:39:46,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-21 11:39:46,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:46,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-21 11:39:46,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:39:46,421 INFO L87 Difference]: Start difference. First operand 943 states and 1345 transitions. Second operand has 16 states, 16 states have (on average 10.375) internal successors, (166), 12 states have internal predecessors, (166), 11 states have call successors, (124), 6 states have call predecessors, (124), 2 states have return successors, (73), 11 states have call predecessors, (73), 11 states have call successors, (73) [2022-07-21 11:39:51,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:51,645 INFO L93 Difference]: Finished difference Result 1843 states and 2676 transitions. [2022-07-21 11:39:51,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 11:39:51,646 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.375) internal successors, (166), 12 states have internal predecessors, (166), 11 states have call successors, (124), 6 states have call predecessors, (124), 2 states have return successors, (73), 11 states have call predecessors, (73), 11 states have call successors, (73) Word has length 616 [2022-07-21 11:39:51,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:51,653 INFO L225 Difference]: With dead ends: 1843 [2022-07-21 11:39:51,654 INFO L226 Difference]: Without dead ends: 1100 [2022-07-21 11:39:51,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1431 GetRequests, 1416 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2022-07-21 11:39:51,658 INFO L413 NwaCegarLoop]: 1096 mSDtfsCounter, 859 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 3276 mSolverCounterSat, 560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 4189 SdHoareTripleChecker+Invalid, 3836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 3276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:51,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 4189 Invalid, 3836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [560 Valid, 3276 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-21 11:39:51,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2022-07-21 11:39:51,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 958. [2022-07-21 11:39:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 702 states have (on average 1.3404558404558404) internal successors, (941), 715 states have internal predecessors, (941), 212 states have call successors, (212), 43 states have call predecessors, (212), 43 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2022-07-21 11:39:51,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1365 transitions. [2022-07-21 11:39:51,711 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1365 transitions. Word has length 616 [2022-07-21 11:39:51,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:51,712 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1365 transitions. [2022-07-21 11:39:51,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.375) internal successors, (166), 12 states have internal predecessors, (166), 11 states have call successors, (124), 6 states have call predecessors, (124), 2 states have return successors, (73), 11 states have call predecessors, (73), 11 states have call successors, (73) [2022-07-21 11:39:51,713 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1365 transitions. [2022-07-21 11:39:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2022-07-21 11:39:51,719 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:51,720 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 11:39:51,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:39:51,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:51,938 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:51,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:51,938 INFO L85 PathProgramCache]: Analyzing trace with hash 676823138, now seen corresponding path program 2 times [2022-07-21 11:39:51,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:51,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905469438] [2022-07-21 11:39:51,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:51,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:39:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 11:39:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:39:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 11:39:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 11:39:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 11:39:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 11:39:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-21 11:39:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 11:39:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 11:39:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-21 11:39:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-21 11:39:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-21 11:39:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-21 11:39:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-21 11:39:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-07-21 11:39:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-07-21 11:39:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:53,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6716 trivial. 0 not checked. [2022-07-21 11:39:53,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:53,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905469438] [2022-07-21 11:39:53,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905469438] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:39:53,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133525313] [2022-07-21 11:39:53,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:39:53,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:53,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:39:53,516 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) [2022-07-21 11:39:53,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 11:39:56,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:39:56,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:39:56,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 7333 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:39:56,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:39:56,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6720 trivial. 0 not checked. [2022-07-21 11:39:56,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:39:56,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133525313] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:56,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:39:56,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2022-07-21 11:39:56,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758626983] [2022-07-21 11:39:56,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:56,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:39:56,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:56,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:39:56,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-07-21 11:39:56,234 INFO L87 Difference]: Start difference. First operand 958 states and 1365 transitions. Second operand has 6 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-21 11:39:56,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:39:56,335 INFO L93 Difference]: Finished difference Result 984 states and 1397 transitions. [2022-07-21 11:39:56,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:39:56,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 746 [2022-07-21 11:39:56,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:39:56,343 INFO L225 Difference]: With dead ends: 984 [2022-07-21 11:39:56,343 INFO L226 Difference]: Without dead ends: 982 [2022-07-21 11:39:56,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 982 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2022-07-21 11:39:56,345 INFO L413 NwaCegarLoop]: 1269 mSDtfsCounter, 34 mSDsluCounter, 5059 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 6328 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:39:56,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 6328 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:39:56,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2022-07-21 11:39:56,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 982. [2022-07-21 11:39:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 718 states have (on average 1.3356545961002786) internal successors, (959), 731 states have internal predecessors, (959), 218 states have call successors, (218), 45 states have call predecessors, (218), 45 states have return successors, (218), 214 states have call predecessors, (218), 218 states have call successors, (218) [2022-07-21 11:39:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1395 transitions. [2022-07-21 11:39:56,395 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1395 transitions. Word has length 746 [2022-07-21 11:39:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:39:56,396 INFO L495 AbstractCegarLoop]: Abstraction has 982 states and 1395 transitions. [2022-07-21 11:39:56,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-21 11:39:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1395 transitions. [2022-07-21 11:39:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2022-07-21 11:39:56,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:39:56,403 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 11:39:56,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:39:56,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:39:56,620 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:39:56,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:39:56,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1281912972, now seen corresponding path program 1 times [2022-07-21 11:39:56,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:39:56,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527441065] [2022-07-21 11:39:56,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:39:56,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:39:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:39:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:39:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:39:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:39:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:39:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:39:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:39:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:39:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:39:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:39:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:39:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:39:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:39:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:39:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:39:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:39:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:39:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:39:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:39:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:39:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:39:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:39:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:39:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:39:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:39:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:39:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:39:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:39:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:39:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:39:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:39:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:39:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:39:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:39:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:39:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:39:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:39:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:39:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:39:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:39:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:39:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:39:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:39:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:39:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:39:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 11:39:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:39:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 11:39:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 11:39:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 11:39:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 11:39:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-21 11:39:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 11:39:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 11:39:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-21 11:39:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-21 11:39:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-21 11:39:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-21 11:39:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-21 11:39:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-07-21 11:39:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-07-21 11:39:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:39:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:39:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:39:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:39:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-07-21 11:39:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:39:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6718 trivial. 0 not checked. [2022-07-21 11:39:57,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:39:57,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527441065] [2022-07-21 11:39:57,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527441065] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:39:57,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:39:57,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:39:57,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834159238] [2022-07-21 11:39:57,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:39:57,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:39:57,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:39:57,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:39:57,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:39:57,741 INFO L87 Difference]: Start difference. First operand 982 states and 1395 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-21 11:40:05,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:05,766 INFO L93 Difference]: Finished difference Result 2567 states and 3685 transitions. [2022-07-21 11:40:05,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:40:05,768 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 752 [2022-07-21 11:40:05,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:05,782 INFO L225 Difference]: With dead ends: 2567 [2022-07-21 11:40:05,782 INFO L226 Difference]: Without dead ends: 1875 [2022-07-21 11:40:05,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:40:05,788 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 2412 mSDsluCounter, 1968 mSDsCounter, 0 mSdLazyCounter, 2744 mSolverCounterSat, 1043 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2518 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 3787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1043 IncrementalHoareTripleChecker+Valid, 2744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:05,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2518 Valid, 3124 Invalid, 3787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1043 Valid, 2744 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-07-21 11:40:05,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2022-07-21 11:40:05,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1601. [2022-07-21 11:40:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1208 states have (on average 1.3443708609271523) internal successors, (1624), 1230 states have internal predecessors, (1624), 316 states have call successors, (316), 76 states have call predecessors, (316), 76 states have return successors, (316), 308 states have call predecessors, (316), 316 states have call successors, (316) [2022-07-21 11:40:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2256 transitions. [2022-07-21 11:40:05,884 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2256 transitions. Word has length 752 [2022-07-21 11:40:05,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:05,885 INFO L495 AbstractCegarLoop]: Abstraction has 1601 states and 2256 transitions. [2022-07-21 11:40:05,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-21 11:40:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2256 transitions. [2022-07-21 11:40:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2022-07-21 11:40:05,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:05,894 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 11:40:05,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 11:40:05,894 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:05,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:05,895 INFO L85 PathProgramCache]: Analyzing trace with hash 220593187, now seen corresponding path program 1 times [2022-07-21 11:40:05,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:40:05,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612502766] [2022-07-21 11:40:05,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:05,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:40:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:40:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:40:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:40:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:40:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:40:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:40:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:40:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:40:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:40:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:40:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:40:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:40:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:40:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:40:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:40:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:40:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:40:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:40:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:40:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:40:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:40:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:40:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:40:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:40:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:40:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:40:06,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:40:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:40:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:40:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:40:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:40:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:40:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:40:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:40:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:40:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:40:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:40:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:40:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:40:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:40:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:40:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:40:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:40:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 11:40:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:40:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 11:40:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 11:40:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 11:40:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 11:40:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-21 11:40:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 11:40:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 11:40:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-21 11:40:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-21 11:40:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-21 11:40:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-21 11:40:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-21 11:40:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-07-21 11:40:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-07-21 11:40:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2022-07-21 11:40:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6720 trivial. 0 not checked. [2022-07-21 11:40:06,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:40:06,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612502766] [2022-07-21 11:40:06,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612502766] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:40:06,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:40:06,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:40:06,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323549507] [2022-07-21 11:40:06,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:40:06,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:40:06,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:40:06,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:40:06,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:40:06,994 INFO L87 Difference]: Start difference. First operand 1601 states and 2256 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2022-07-21 11:40:13,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:13,310 INFO L93 Difference]: Finished difference Result 1883 states and 2664 transitions. [2022-07-21 11:40:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 11:40:13,311 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) Word has length 751 [2022-07-21 11:40:13,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:13,321 INFO L225 Difference]: With dead ends: 1883 [2022-07-21 11:40:13,321 INFO L226 Difference]: Without dead ends: 1881 [2022-07-21 11:40:13,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:40:13,322 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 854 mSDsluCounter, 2752 mSDsCounter, 0 mSdLazyCounter, 2856 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 3840 SdHoareTripleChecker+Invalid, 3350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 2856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:13,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [887 Valid, 3840 Invalid, 3350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 2856 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-21 11:40:13,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1881 states. [2022-07-21 11:40:13,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1881 to 1609. [2022-07-21 11:40:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1214 states have (on average 1.342668863261944) internal successors, (1630), 1236 states have internal predecessors, (1630), 316 states have call successors, (316), 78 states have call predecessors, (316), 78 states have return successors, (316), 308 states have call predecessors, (316), 316 states have call successors, (316) [2022-07-21 11:40:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2262 transitions. [2022-07-21 11:40:13,401 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2262 transitions. Word has length 751 [2022-07-21 11:40:13,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:13,401 INFO L495 AbstractCegarLoop]: Abstraction has 1609 states and 2262 transitions. [2022-07-21 11:40:13,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2022-07-21 11:40:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2262 transitions. [2022-07-21 11:40:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2022-07-21 11:40:13,408 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:13,409 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 11:40:13,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 11:40:13,409 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:13,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:13,410 INFO L85 PathProgramCache]: Analyzing trace with hash -613629807, now seen corresponding path program 1 times [2022-07-21 11:40:13,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:40:13,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96137252] [2022-07-21 11:40:13,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:13,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:40:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:40:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:40:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:40:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:40:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:40:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:40:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:40:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:40:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:40:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:40:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:40:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:40:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:40:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:40:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:40:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:40:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:40:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:40:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:40:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:40:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:40:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:40:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:40:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:40:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:40:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:40:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:40:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:40:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:40:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:40:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:40:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:40:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:40:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:40:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:40:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:40:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:40:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:40:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:40:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:40:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:40:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:40:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:40:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 11:40:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:40:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 11:40:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-21 11:40:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 11:40:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 11:40:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-21 11:40:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 11:40:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 11:40:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-21 11:40:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-21 11:40:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-21 11:40:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-21 11:40:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-21 11:40:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-07-21 11:40:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-07-21 11:40:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6716 trivial. 0 not checked. [2022-07-21 11:40:14,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:40:14,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96137252] [2022-07-21 11:40:14,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96137252] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:40:14,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958041976] [2022-07-21 11:40:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:14,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:40:14,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:40:14,600 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) [2022-07-21 11:40:14,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 11:40:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:17,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 10651 conjuncts, 44 conjunts are in the unsatisfiable core [2022-07-21 11:40:17,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6714 trivial. 0 not checked. [2022-07-21 11:40:18,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:40:18,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958041976] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:40:18,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:40:18,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 12 [2022-07-21 11:40:18,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752012369] [2022-07-21 11:40:18,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:40:18,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:40:18,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:40:18,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:40:18,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:40:18,429 INFO L87 Difference]: Start difference. First operand 1609 states and 2262 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-07-21 11:40:19,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:19,088 INFO L93 Difference]: Finished difference Result 3092 states and 4348 transitions. [2022-07-21 11:40:19,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:40:19,090 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 755 [2022-07-21 11:40:19,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:19,098 INFO L225 Difference]: With dead ends: 3092 [2022-07-21 11:40:19,098 INFO L226 Difference]: Without dead ends: 1611 [2022-07-21 11:40:19,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1010 GetRequests, 995 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-07-21 11:40:19,105 INFO L413 NwaCegarLoop]: 1265 mSDtfsCounter, 32 mSDsluCounter, 7338 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 8603 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:19,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 8603 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 11:40:19,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2022-07-21 11:40:19,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1609. [2022-07-21 11:40:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1214 states have (on average 1.341845140032949) internal successors, (1629), 1236 states have internal predecessors, (1629), 316 states have call successors, (316), 78 states have call predecessors, (316), 78 states have return successors, (316), 308 states have call predecessors, (316), 316 states have call successors, (316) [2022-07-21 11:40:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2261 transitions. [2022-07-21 11:40:19,184 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2261 transitions. Word has length 755 [2022-07-21 11:40:19,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:19,185 INFO L495 AbstractCegarLoop]: Abstraction has 1609 states and 2261 transitions. [2022-07-21 11:40:19,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-07-21 11:40:19,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2261 transitions. [2022-07-21 11:40:19,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2022-07-21 11:40:19,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:19,193 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 11:40:19,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:40:19,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-21 11:40:19,408 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:19,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:19,408 INFO L85 PathProgramCache]: Analyzing trace with hash -798072776, now seen corresponding path program 1 times [2022-07-21 11:40:19,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:40:19,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341420325] [2022-07-21 11:40:19,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:19,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:40:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:40:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:40:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:40:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:40:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:40:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:40:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:40:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:40:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:40:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:40:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:40:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:40:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:40:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:40:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:40:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:40:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:40:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:40:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:40:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:40:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:40:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:40:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:40:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:40:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:40:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:40:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:40:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:40:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:40:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:40:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:40:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:40:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:40:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:40:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:40:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:40:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:40:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:40:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:40:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:40:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:40:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:40:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:40:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-21 11:40:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-21 11:40:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-21 11:40:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 11:40:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 11:40:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-21 11:40:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-21 11:40:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-21 11:40:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-21 11:40:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-21 11:40:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-21 11:40:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-07-21 11:40:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-07-21 11:40:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-21 11:40:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-07-21 11:40:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2022-07-21 11:40:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6736 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6732 trivial. 0 not checked. [2022-07-21 11:40:20,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:40:20,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341420325] [2022-07-21 11:40:20,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341420325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:40:20,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:40:20,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:40:20,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577775170] [2022-07-21 11:40:20,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:40:20,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:40:20,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:40:20,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:40:20,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:40:20,483 INFO L87 Difference]: Start difference. First operand 1609 states and 2261 transitions. Second operand has 11 states, 11 states have (on average 13.0) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (63), 6 states have call predecessors, (63), 3 states have return successors, (60), 4 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-21 11:40:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:40:26,975 INFO L93 Difference]: Finished difference Result 3350 states and 4730 transitions. [2022-07-21 11:40:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:40:26,976 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.0) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (63), 6 states have call predecessors, (63), 3 states have return successors, (60), 4 states have call predecessors, (60), 2 states have call successors, (60) Word has length 761 [2022-07-21 11:40:26,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:40:26,988 INFO L225 Difference]: With dead ends: 3350 [2022-07-21 11:40:26,988 INFO L226 Difference]: Without dead ends: 1879 [2022-07-21 11:40:26,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-21 11:40:26,996 INFO L413 NwaCegarLoop]: 1091 mSDtfsCounter, 990 mSDsluCounter, 4345 mSDsCounter, 0 mSdLazyCounter, 4512 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 5436 SdHoareTripleChecker+Invalid, 5046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 4512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:40:26,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 5436 Invalid, 5046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 4512 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-07-21 11:40:26,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2022-07-21 11:40:27,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1614. [2022-07-21 11:40:27,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1217 states have (on average 1.3410024650780608) internal successors, (1632), 1240 states have internal predecessors, (1632), 316 states have call successors, (316), 78 states have call predecessors, (316), 80 states have return successors, (318), 309 states have call predecessors, (318), 316 states have call successors, (318) [2022-07-21 11:40:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2266 transitions. [2022-07-21 11:40:27,089 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2266 transitions. Word has length 761 [2022-07-21 11:40:27,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:40:27,090 INFO L495 AbstractCegarLoop]: Abstraction has 1614 states and 2266 transitions. [2022-07-21 11:40:27,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.0) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (63), 6 states have call predecessors, (63), 3 states have return successors, (60), 4 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-21 11:40:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2266 transitions. [2022-07-21 11:40:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2022-07-21 11:40:27,098 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:40:27,098 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-21 11:40:27,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 11:40:27,098 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:40:27,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:40:27,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1601920527, now seen corresponding path program 1 times [2022-07-21 11:40:27,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:40:27,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875532678] [2022-07-21 11:40:27,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:27,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:40:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:40:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:40:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:40:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:40:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:40:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 11:40:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:40:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:40:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:40:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:40:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 11:40:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:40:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:40:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:40:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 11:40:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:40:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 11:40:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:40:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:40:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:40:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:40:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 11:40:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:40:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:40:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:40:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:40:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 11:40:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 11:40:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:40:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 11:40:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 11:40:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:40:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:40:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 11:40:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 11:40:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 11:40:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 11:40:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 11:40:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 11:40:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 11:40:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:40:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:40:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:40:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 11:40:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-21 11:40:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-21 11:40:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:40:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-21 11:40:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-21 11:40:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-21 11:40:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-21 11:40:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 11:40:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-21 11:40:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-21 11:40:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-21 11:40:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-21 11:40:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-07-21 11:40:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-07-21 11:40:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-07-21 11:40:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-07-21 11:40:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2022-07-21 11:40:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:40:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 11:40:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:40:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 11:40:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6758 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 6606 trivial. 0 not checked. [2022-07-21 11:40:28,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:40:28,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875532678] [2022-07-21 11:40:28,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875532678] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:40:28,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583481112] [2022-07-21 11:40:28,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:40:28,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:40:28,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:40:28,692 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) [2022-07-21 11:40:28,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 11:40:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:40:32,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 10703 conjuncts, 1282 conjunts are in the unsatisfiable core [2022-07-21 11:40:32,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:40:37,413 INFO L244 Elim1Store]: Index analysis took 161 ms [2022-07-21 11:41:35,173 WARN L233 SmtUtils]: Spent 57.63s on a formula simplification. DAG size of input: 3662 DAG size of output: 394 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-07-21 11:41:35,178 INFO L356 Elim1Store]: treesize reduction 42206, result has 1.9 percent of original size [2022-07-21 11:41:35,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 443 case distinctions, treesize of input 2341 treesize of output 3002