./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-18 05:25:40,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 05:25:40,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 05:25:40,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 05:25:40,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 05:25:40,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 05:25:40,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 05:25:40,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 05:25:40,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 05:25:40,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 05:25:40,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 05:25:40,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 05:25:40,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 05:25:40,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 05:25:40,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 05:25:40,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 05:25:40,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 05:25:40,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 05:25:40,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 05:25:40,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 05:25:40,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 05:25:40,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 05:25:40,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 05:25:40,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 05:25:40,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 05:25:40,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 05:25:40,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 05:25:40,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 05:25:40,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 05:25:40,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 05:25:40,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 05:25:40,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 05:25:40,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 05:25:40,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 05:25:40,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 05:25:40,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 05:25:40,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 05:25:40,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 05:25:40,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 05:25:40,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 05:25:40,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 05:25:40,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 05:25:40,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 05:25:40,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 05:25:40,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 05:25:40,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 05:25:40,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 05:25:40,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 05:25:40,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 05:25:40,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 05:25:40,765 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 05:25:40,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 05:25:40,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 05:25:40,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 05:25:40,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 05:25:40,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 05:25:40,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 05:25:40,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 05:25:40,766 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 05:25:40,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 05:25:40,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 05:25:40,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 05:25:40,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 05:25:40,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:25:40,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 05:25:40,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 05:25:40,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 05:25:40,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 05:25:40,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 05:25:40,768 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 05:25:40,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 05:25:40,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 05:25:40,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 05:25:40,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7bcbc7066f71bf6da4f6dede38e3e78b7607c55d003b39ab5a687b04791c2e1 [2021-12-18 05:25:40,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 05:25:40,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 05:25:40,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 05:25:40,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 05:25:40,972 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 05:25:40,973 INFO L432 ainManager$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 [2021-12-18 05:25:41,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e38433a/3710b9937de34ce8be4f67e2858d762d/FLAG934873daf [2021-12-18 05:25:41,562 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 05:25:41,563 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 [2021-12-18 05:25:41,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e38433a/3710b9937de34ce8be4f67e2858d762d/FLAG934873daf [2021-12-18 05:25:42,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e38433a/3710b9937de34ce8be4f67e2858d762d [2021-12-18 05:25:42,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 05:25:42,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 05:25:42,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 05:25:42,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 05:25:42,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 05:25:42,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:25:42" (1/1) ... [2021-12-18 05:25:42,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c70a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:42, skipping insertion in model container [2021-12-18 05:25:42,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:25:42" (1/1) ... [2021-12-18 05:25:42,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 05:25:42,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:25:42,885 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] [2021-12-18 05:25:42,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:25:42,959 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 05:25:43,117 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] [2021-12-18 05:25:43,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:25:43,213 INFO L208 MainTranslator]: Completed translation [2021-12-18 05:25:43,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43 WrapperNode [2021-12-18 05:25:43,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 05:25:43,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 05:25:43,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 05:25:43,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 05:25:43,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,411 INFO L137 Inliner]: procedures = 106, calls = 3465, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 4255 [2021-12-18 05:25:43,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 05:25:43,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 05:25:43,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 05:25:43,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 05:25:43,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 05:25:43,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 05:25:43,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 05:25:43,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 05:25:43,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (1/1) ... [2021-12-18 05:25:43,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:25:43,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:25:43,653 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) [2021-12-18 05:25:43,659 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 [2021-12-18 05:25:43,679 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2021-12-18 05:25:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2021-12-18 05:25:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2021-12-18 05:25:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2021-12-18 05:25:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 05:25:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 05:25:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 05:25:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2021-12-18 05:25:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2021-12-18 05:25:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 05:25:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 05:25:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2021-12-18 05:25:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2021-12-18 05:25:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 05:25:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 05:25:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 05:25:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 05:25:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 05:25:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2021-12-18 05:25:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2021-12-18 05:25:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 05:25:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 05:25:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 05:25:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 05:25:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2021-12-18 05:25:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2021-12-18 05:25:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-18 05:25:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-18 05:25:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2021-12-18 05:25:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2021-12-18 05:25:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 05:25:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 05:25:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2021-12-18 05:25:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2021-12-18 05:25:43,683 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2021-12-18 05:25:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2021-12-18 05:25:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 05:25:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2021-12-18 05:25:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2021-12-18 05:25:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2021-12-18 05:25:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2021-12-18 05:25:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 05:25:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 05:25:43,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 05:25:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 05:25:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 05:25:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 05:25:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 05:25:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2021-12-18 05:25:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2021-12-18 05:25:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 05:25:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 05:25:43,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 05:25:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2021-12-18 05:25:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2021-12-18 05:25:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2021-12-18 05:25:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2021-12-18 05:25:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 05:25:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 05:25:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 05:25:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 05:25:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 05:25:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2021-12-18 05:25:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2021-12-18 05:25:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2021-12-18 05:25:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2021-12-18 05:25:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2021-12-18 05:25:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2021-12-18 05:25:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2021-12-18 05:25:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2021-12-18 05:25:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 05:25:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 05:25:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 05:25:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 05:25:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2021-12-18 05:25:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2021-12-18 05:25:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2021-12-18 05:25:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2021-12-18 05:25:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-18 05:25:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-18 05:25:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-18 05:25:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-18 05:25:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2021-12-18 05:25:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2021-12-18 05:25:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 05:25:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2021-12-18 05:25:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2021-12-18 05:25:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-18 05:25:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-18 05:25:43,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 05:25:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 05:25:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 05:25:43,692 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2021-12-18 05:25:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2021-12-18 05:25:44,032 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 05:25:44,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 05:25:44,489 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 05:25:47,687 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 05:25:47,695 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 05:25:47,696 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 05:25:47,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:25:47 BoogieIcfgContainer [2021-12-18 05:25:47,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 05:25:47,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 05:25:47,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 05:25:47,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 05:25:47,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:25:42" (1/3) ... [2021-12-18 05:25:47,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a64086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:25:47, skipping insertion in model container [2021-12-18 05:25:47,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:25:43" (2/3) ... [2021-12-18 05:25:47,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a64086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:25:47, skipping insertion in model container [2021-12-18 05:25:47,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:25:47" (3/3) ... [2021-12-18 05:25:47,708 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-18 05:25:47,711 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 05:25:47,712 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 05:25:47,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 05:25:47,773 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 05:25:47,773 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 05:25:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 828 states, 583 states have (on average 1.397941680960549) internal successors, (815), 599 states have internal predecessors, (815), 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) [2021-12-18 05:25:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-18 05:25:47,831 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:47,834 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:47,834 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:47,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:47,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1211381963, now seen corresponding path program 1 times [2021-12-18 05:25:47,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:47,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127013372] [2021-12-18 05:25:47,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:47,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:25:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:25:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:25:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:25:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:25:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:25:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:25:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:25:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:25:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:25:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:25:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:25:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:25:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:25:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:25:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:25:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:25:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:25:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:25:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:25:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:25:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:25:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:25:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:25:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:25:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:25:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:25:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:25:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:25:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:25:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:25:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:25:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:25:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:25:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:25:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:25:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:25:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:25:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:25:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:25:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:49,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2021-12-18 05:25:49,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:49,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127013372] [2021-12-18 05:25:49,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127013372] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:49,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:49,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:25:49,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501571075] [2021-12-18 05:25:49,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:49,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:25:49,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:49,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:25:49,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:25:49,053 INFO L87 Difference]: Start difference. First operand has 828 states, 583 states have (on average 1.397941680960549) internal successors, (815), 599 states have internal predecessors, (815), 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) [2021-12-18 05:25:51,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:51,002 INFO L93 Difference]: Finished difference Result 1766 states and 2673 transitions. [2021-12-18 05:25:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:25:51,005 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 [2021-12-18 05:25:51,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:51,022 INFO L225 Difference]: With dead ends: 1766 [2021-12-18 05:25:51,022 INFO L226 Difference]: Without dead ends: 921 [2021-12-18 05:25:51,033 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:51,036 INFO L933 BasicCegarLoop]: 1055 mSDtfsCounter, 1029 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 813 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:51,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1055 Valid, 1480 Invalid, 1416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [813 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-18 05:25:51,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2021-12-18 05:25:51,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 807. [2021-12-18 05:25:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 569 states have (on average 1.3848857644991213) internal successors, (788), 581 states have internal predecessors, (788), 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) [2021-12-18 05:25:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1186 transitions. [2021-12-18 05:25:51,141 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1186 transitions. Word has length 358 [2021-12-18 05:25:51,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:51,142 INFO L470 AbstractCegarLoop]: Abstraction has 807 states and 1186 transitions. [2021-12-18 05:25:51,142 INFO L471 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) [2021-12-18 05:25:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1186 transitions. [2021-12-18 05:25:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-12-18 05:25:51,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:51,148 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:51,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 05:25:51,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:51,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:51,150 INFO L85 PathProgramCache]: Analyzing trace with hash 597337405, now seen corresponding path program 1 times [2021-12-18 05:25:51,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:51,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928141181] [2021-12-18 05:25:51,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:51,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:25:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:25:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:25:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:25:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:25:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:25:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:25:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:25:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:25:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:25:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:25:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:25:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:25:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:25:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:25:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:25:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:25:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:25:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:25:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:25:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:25:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:25:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:25:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:25:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:25:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:25:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:25:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:25:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:25:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:25:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:25:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:25:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:25:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:25:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:25:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:25:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:25:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:25:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:25:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:25:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2021-12-18 05:25:51,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:51,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928141181] [2021-12-18 05:25:51,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928141181] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:51,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:51,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:25:51,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973576856] [2021-12-18 05:25:51,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:51,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:25:51,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:51,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:25:51,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:25:51,953 INFO L87 Difference]: Start difference. First operand 807 states and 1186 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) [2021-12-18 05:25:54,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:54,120 INFO L93 Difference]: Finished difference Result 1785 states and 2663 transitions. [2021-12-18 05:25:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:25:54,121 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 [2021-12-18 05:25:54,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:54,127 INFO L225 Difference]: With dead ends: 1785 [2021-12-18 05:25:54,127 INFO L226 Difference]: Without dead ends: 1082 [2021-12-18 05:25:54,132 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:54,133 INFO L933 BasicCegarLoop]: 1079 mSDtfsCounter, 1385 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 1119 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 1119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:54,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1478 Valid, 2084 Invalid, 2022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [903 Valid, 1119 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 05:25:54,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2021-12-18 05:25:54,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 962. [2021-12-18 05:25:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 676 states have (on average 1.3772189349112427) internal successors, (931), 693 states have internal predecessors, (931), 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) [2021-12-18 05:25:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1405 transitions. [2021-12-18 05:25:54,175 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1405 transitions. Word has length 358 [2021-12-18 05:25:54,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:54,184 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1405 transitions. [2021-12-18 05:25:54,184 INFO L471 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) [2021-12-18 05:25:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1405 transitions. [2021-12-18 05:25:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-18 05:25:54,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:54,189 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:54,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 05:25:54,189 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:54,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:54,190 INFO L85 PathProgramCache]: Analyzing trace with hash -49788487, now seen corresponding path program 1 times [2021-12-18 05:25:54,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:54,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710039356] [2021-12-18 05:25:54,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:54,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:25:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:25:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:25:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:25:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:25:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:25:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:25:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:25:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:25:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:25:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:25:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:25:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:25:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:25:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:25:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:25:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:25:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:25:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:25:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:25:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:25:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:25:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:25:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:25:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:25:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:25:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:25:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:25:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:25:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:25:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:25:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:25:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:25:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:25:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:25:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:25:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:25:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:25:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:25:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:25:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2021-12-18 05:25:54,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:54,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710039356] [2021-12-18 05:25:54,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710039356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:54,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:54,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:25:54,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997014167] [2021-12-18 05:25:54,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:54,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:25:54,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:54,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:25:54,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:25:54,904 INFO L87 Difference]: Start difference. First operand 962 states and 1405 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) [2021-12-18 05:25:57,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:25:57,933 INFO L93 Difference]: Finished difference Result 1940 states and 2881 transitions. [2021-12-18 05:25:57,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:25:57,933 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 [2021-12-18 05:25:57,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:25:57,939 INFO L225 Difference]: With dead ends: 1940 [2021-12-18 05:25:57,940 INFO L226 Difference]: Without dead ends: 1082 [2021-12-18 05:25:57,943 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:25:57,944 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 1633 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1736 SdHoareTripleChecker+Valid, 2074 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:25:57,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1736 Valid, 2074 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-18 05:25:57,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2021-12-18 05:25:57,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 962. [2021-12-18 05:25:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 676 states have (on average 1.3742603550295858) internal successors, (929), 693 states have internal predecessors, (929), 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) [2021-12-18 05:25:57,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1403 transitions. [2021-12-18 05:25:57,978 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1403 transitions. Word has length 370 [2021-12-18 05:25:57,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:25:57,980 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1403 transitions. [2021-12-18 05:25:57,981 INFO L471 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) [2021-12-18 05:25:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1403 transitions. [2021-12-18 05:25:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-12-18 05:25:57,987 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:25:57,987 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:25:57,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 05:25:57,988 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:25:57,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:25:57,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1895691147, now seen corresponding path program 1 times [2021-12-18 05:25:57,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:25:57,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969089555] [2021-12-18 05:25:57,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:25:57,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:25:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:25:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:25:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:25:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:25:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:25:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:25:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:25:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:25:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:25:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:25:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:25:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:25:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:25:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:25:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:25:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:25:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:25:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:25:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:25:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:25:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:25:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:25:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:25:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:25:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:25:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:25:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:25:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:25:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:25:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:25:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:25:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:25:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:25:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:25:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:25:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:25:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:25:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:25:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:25:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:25:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:25:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:25:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:25:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:25:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:25:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:25:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2021-12-18 05:25:58,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:25:58,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969089555] [2021-12-18 05:25:58,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969089555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:25:58,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:25:58,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:25:58,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418853274] [2021-12-18 05:25:58,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:25:58,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:25:58,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:25:58,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:25:58,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:25:58,740 INFO L87 Difference]: Start difference. First operand 962 states and 1403 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) [2021-12-18 05:26:01,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:01,518 INFO L93 Difference]: Finished difference Result 1946 states and 2885 transitions. [2021-12-18 05:26:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:26:01,518 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 [2021-12-18 05:26:01,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:01,524 INFO L225 Difference]: With dead ends: 1946 [2021-12-18 05:26:01,524 INFO L226 Difference]: Without dead ends: 1082 [2021-12-18 05:26:01,528 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:26:01,529 INFO L933 BasicCegarLoop]: 1015 mSDtfsCounter, 648 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 3412 SdHoareTripleChecker+Invalid, 2198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:01,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 3412 Invalid, 2198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-18 05:26:01,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2021-12-18 05:26:01,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 962. [2021-12-18 05:26:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 676 states have (on average 1.371301775147929) internal successors, (927), 693 states have internal predecessors, (927), 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) [2021-12-18 05:26:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1401 transitions. [2021-12-18 05:26:01,562 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1401 transitions. Word has length 372 [2021-12-18 05:26:01,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:01,563 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1401 transitions. [2021-12-18 05:26:01,563 INFO L471 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) [2021-12-18 05:26:01,563 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1401 transitions. [2021-12-18 05:26:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-18 05:26:01,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:01,566 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:01,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 05:26:01,567 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:01,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:01,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1280264745, now seen corresponding path program 1 times [2021-12-18 05:26:01,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:01,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795641550] [2021-12-18 05:26:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:01,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2021-12-18 05:26:02,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:02,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795641550] [2021-12-18 05:26:02,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795641550] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:02,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:26:02,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:26:02,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197545903] [2021-12-18 05:26:02,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:02,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:26:02,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:02,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:26:02,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:26:02,259 INFO L87 Difference]: Start difference. First operand 962 states and 1401 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) [2021-12-18 05:26:05,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:05,927 INFO L93 Difference]: Finished difference Result 1944 states and 2877 transitions. [2021-12-18 05:26:05,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:26:05,927 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 [2021-12-18 05:26:05,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:05,933 INFO L225 Difference]: With dead ends: 1944 [2021-12-18 05:26:05,933 INFO L226 Difference]: Without dead ends: 1070 [2021-12-18 05:26:05,936 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:26:05,937 INFO L933 BasicCegarLoop]: 1019 mSDtfsCounter, 646 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 3717 SdHoareTripleChecker+Invalid, 2450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 469 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:05,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [672 Valid, 3717 Invalid, 2450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [469 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-18 05:26:05,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2021-12-18 05:26:05,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 950. [2021-12-18 05:26:05,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 670 states have (on average 1.362686567164179) internal successors, (913), 685 states have internal predecessors, (913), 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) [2021-12-18 05:26:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1379 transitions. [2021-12-18 05:26:05,967 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1379 transitions. Word has length 375 [2021-12-18 05:26:05,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:05,968 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1379 transitions. [2021-12-18 05:26:05,968 INFO L471 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) [2021-12-18 05:26:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1379 transitions. [2021-12-18 05:26:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-12-18 05:26:05,972 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:05,972 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 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, 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] [2021-12-18 05:26:05,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 05:26:05,972 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:05,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:05,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1671535483, now seen corresponding path program 1 times [2021-12-18 05:26:05,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:05,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301095205] [2021-12-18 05:26:05,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:05,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:26:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 05:26:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 05:26:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:26:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 05:26:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:26:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 05:26:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 05:26:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:26:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 05:26:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:26:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3945 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 3922 trivial. 0 not checked. [2021-12-18 05:26:06,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:06,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301095205] [2021-12-18 05:26:06,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301095205] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:06,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745382629] [2021-12-18 05:26:06,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:06,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:06,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:06,650 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) [2021-12-18 05:26:06,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 05:26:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:08,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 10002 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:26:08,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:26:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3945 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3907 trivial. 0 not checked. [2021-12-18 05:26:08,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:26:08,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745382629] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:08,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:26:08,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2021-12-18 05:26:08,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133451494] [2021-12-18 05:26:08,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:08,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:26:08,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:08,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:26:08,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:26:08,871 INFO L87 Difference]: Start difference. First operand 950 states and 1379 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-18 05:26:08,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:08,905 INFO L93 Difference]: Finished difference Result 1808 states and 2723 transitions. [2021-12-18 05:26:08,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:26:08,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 486 [2021-12-18 05:26:08,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:08,910 INFO L225 Difference]: With dead ends: 1808 [2021-12-18 05:26:08,910 INFO L226 Difference]: Without dead ends: 962 [2021-12-18 05:26:08,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 620 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:26:08,914 INFO L933 BasicCegarLoop]: 1171 mSDtfsCounter, 2 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2335 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 [2021-12-18 05:26:08,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 2335 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:26:08,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2021-12-18 05:26:08,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 954. [2021-12-18 05:26:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 674 states have (on average 1.36053412462908) internal successors, (917), 689 states have internal predecessors, (917), 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) [2021-12-18 05:26:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1383 transitions. [2021-12-18 05:26:08,945 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1383 transitions. Word has length 486 [2021-12-18 05:26:08,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:08,946 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 1383 transitions. [2021-12-18 05:26:08,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-18 05:26:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1383 transitions. [2021-12-18 05:26:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-18 05:26:08,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:08,949 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:08,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 05:26:09,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-18 05:26:09,164 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:09,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:09,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1940839291, now seen corresponding path program 1 times [2021-12-18 05:26:09,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:09,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185513449] [2021-12-18 05:26:09,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:09,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:26:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 05:26:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 05:26:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 05:26:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 05:26:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 05:26:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 05:26:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4029 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4027 trivial. 0 not checked. [2021-12-18 05:26:09,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:09,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185513449] [2021-12-18 05:26:09,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185513449] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:09,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:26:09,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:26:09,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232225731] [2021-12-18 05:26:09,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:09,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:26:09,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:09,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:26:09,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:26:09,891 INFO L87 Difference]: Start difference. First operand 954 states and 1383 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) [2021-12-18 05:26:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:13,377 INFO L93 Difference]: Finished difference Result 1932 states and 2850 transitions. [2021-12-18 05:26:13,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:26:13,378 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 [2021-12-18 05:26:13,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:13,384 INFO L225 Difference]: With dead ends: 1932 [2021-12-18 05:26:13,385 INFO L226 Difference]: Without dead ends: 1082 [2021-12-18 05:26:13,387 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:26:13,388 INFO L933 BasicCegarLoop]: 1002 mSDtfsCounter, 812 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:13,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [846 Valid, 2837 Invalid, 2178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 1647 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-18 05:26:13,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2021-12-18 05:26:13,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 956. [2021-12-18 05:26:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 676 states have (on average 1.3594674556213018) internal successors, (919), 691 states have internal predecessors, (919), 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) [2021-12-18 05:26:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1385 transitions. [2021-12-18 05:26:13,421 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1385 transitions. Word has length 510 [2021-12-18 05:26:13,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:13,422 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1385 transitions. [2021-12-18 05:26:13,422 INFO L471 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) [2021-12-18 05:26:13,422 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1385 transitions. [2021-12-18 05:26:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-12-18 05:26:13,425 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:13,425 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:13,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 05:26:13,426 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:13,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:13,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1429877569, now seen corresponding path program 1 times [2021-12-18 05:26:13,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:13,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632344614] [2021-12-18 05:26:13,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:13,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:26:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 05:26:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 05:26:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 05:26:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 05:26:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 05:26:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 05:26:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-12-18 05:26:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4176 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4173 trivial. 0 not checked. [2021-12-18 05:26:14,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:14,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632344614] [2021-12-18 05:26:14,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632344614] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:14,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553366727] [2021-12-18 05:26:14,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:14,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:14,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:14,091 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) [2021-12-18 05:26:14,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 05:26:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:15,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 10099 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:26:15,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:26:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4176 backedges. 212 proven. 1 refuted. 0 times theorem prover too weak. 3963 trivial. 0 not checked. [2021-12-18 05:26:16,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:26:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4176 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4173 trivial. 0 not checked. [2021-12-18 05:26:17,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553366727] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:26:17,120 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:26:17,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-12-18 05:26:17,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399975071] [2021-12-18 05:26:17,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:26:17,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 05:26:17,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:17,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 05:26:17,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-12-18 05:26:17,122 INFO L87 Difference]: Start difference. First operand 956 states and 1385 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) [2021-12-18 05:26:20,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:20,098 INFO L93 Difference]: Finished difference Result 1948 states and 2874 transitions. [2021-12-18 05:26:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:26:20,098 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 [2021-12-18 05:26:20,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:20,106 INFO L225 Difference]: With dead ends: 1948 [2021-12-18 05:26:20,106 INFO L226 Difference]: Without dead ends: 1096 [2021-12-18 05:26:20,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1238 GetRequests, 1228 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-12-18 05:26:20,110 INFO L933 BasicCegarLoop]: 1001 mSDtfsCounter, 699 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 2879 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:20,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [734 Valid, 2879 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 1661 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-18 05:26:20,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2021-12-18 05:26:20,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 974. [2021-12-18 05:26:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 688 states have (on average 1.3531976744186047) internal successors, (931), 703 states have internal predecessors, (931), 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) [2021-12-18 05:26:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1409 transitions. [2021-12-18 05:26:20,147 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1409 transitions. Word has length 536 [2021-12-18 05:26:20,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:20,148 INFO L470 AbstractCegarLoop]: Abstraction has 974 states and 1409 transitions. [2021-12-18 05:26:20,148 INFO L471 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) [2021-12-18 05:26:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1409 transitions. [2021-12-18 05:26:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-12-18 05:26:20,153 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:20,153 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:20,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 05:26:20,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-18 05:26:20,364 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:20,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:20,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1224406419, now seen corresponding path program 2 times [2021-12-18 05:26:20,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:20,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925607210] [2021-12-18 05:26:20,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:20,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:20,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:26:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 05:26:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 05:26:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 05:26:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 05:26:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 05:26:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 05:26:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 05:26:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-18 05:26:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 05:26:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-18 05:26:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4843 trivial. 0 not checked. [2021-12-18 05:26:21,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:21,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925607210] [2021-12-18 05:26:21,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925607210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:21,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:26:21,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:26:21,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302276222] [2021-12-18 05:26:21,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:21,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:26:21,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:21,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:26:21,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:26:21,139 INFO L87 Difference]: Start difference. First operand 974 states and 1409 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) [2021-12-18 05:26:24,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:24,878 INFO L93 Difference]: Finished difference Result 1870 states and 2751 transitions. [2021-12-18 05:26:24,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:26:24,878 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 [2021-12-18 05:26:24,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:24,884 INFO L225 Difference]: With dead ends: 1870 [2021-12-18 05:26:24,884 INFO L226 Difference]: Without dead ends: 982 [2021-12-18 05:26:24,887 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:26:24,887 INFO L933 BasicCegarLoop]: 980 mSDtfsCounter, 1831 mSDsluCounter, 1232 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1947 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 2214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 934 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:24,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1947 Valid, 2212 Invalid, 2214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [934 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-18 05:26:24,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2021-12-18 05:26:24,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 864. [2021-12-18 05:26:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 613 states have (on average 1.3588907014681892) internal successors, (833), 626 states have internal predecessors, (833), 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) [2021-12-18 05:26:24,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1247 transitions. [2021-12-18 05:26:24,921 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1247 transitions. Word has length 614 [2021-12-18 05:26:24,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:24,922 INFO L470 AbstractCegarLoop]: Abstraction has 864 states and 1247 transitions. [2021-12-18 05:26:24,922 INFO L471 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) [2021-12-18 05:26:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1247 transitions. [2021-12-18 05:26:24,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-12-18 05:26:24,926 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:24,926 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:24,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 05:26:24,927 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:24,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:24,927 INFO L85 PathProgramCache]: Analyzing trace with hash -79234936, now seen corresponding path program 1 times [2021-12-18 05:26:24,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:24,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167855234] [2021-12-18 05:26:24,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:24,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:26:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 05:26:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 05:26:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 05:26:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 05:26:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 05:26:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 05:26:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 05:26:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-18 05:26:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 05:26:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-18 05:26:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 4821 trivial. 0 not checked. [2021-12-18 05:26:25,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:25,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167855234] [2021-12-18 05:26:25,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167855234] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:25,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111401980] [2021-12-18 05:26:25,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:25,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:25,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:25,840 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) [2021-12-18 05:26:25,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 05:26:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:27,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 10301 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 05:26:27,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:26:28,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 422 proven. 22 refuted. 0 times theorem prover too weak. 4401 trivial. 0 not checked. [2021-12-18 05:26:28,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:26:29,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 4821 trivial. 0 not checked. [2021-12-18 05:26:29,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111401980] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:26:29,184 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:26:29,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 16 [2021-12-18 05:26:29,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104282116] [2021-12-18 05:26:29,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:26:29,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-18 05:26:29,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:29,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-18 05:26:29,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:26:29,192 INFO L87 Difference]: Start difference. First operand 864 states and 1247 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) [2021-12-18 05:26:32,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:32,514 INFO L93 Difference]: Finished difference Result 1661 states and 2455 transitions. [2021-12-18 05:26:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 05:26:32,515 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 [2021-12-18 05:26:32,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:32,521 INFO L225 Difference]: With dead ends: 1661 [2021-12-18 05:26:32,521 INFO L226 Difference]: Without dead ends: 997 [2021-12-18 05:26:32,523 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:26:32,524 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 1079 mSDsluCounter, 3078 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 2977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 2174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:32,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1113 Valid, 4086 Invalid, 2977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 2174 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-18 05:26:32,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-12-18 05:26:32,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 879. [2021-12-18 05:26:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 623 states have (on average 1.3531300160513644) internal successors, (843), 636 states have internal predecessors, (843), 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) [2021-12-18 05:26:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1267 transitions. [2021-12-18 05:26:32,555 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1267 transitions. Word has length 616 [2021-12-18 05:26:32,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:32,556 INFO L470 AbstractCegarLoop]: Abstraction has 879 states and 1267 transitions. [2021-12-18 05:26:32,556 INFO L471 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) [2021-12-18 05:26:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1267 transitions. [2021-12-18 05:26:32,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2021-12-18 05:26:32,561 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:32,561 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:32,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 05:26:32,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:32,768 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:32,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:32,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1545987542, now seen corresponding path program 2 times [2021-12-18 05:26:32,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:32,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606269614] [2021-12-18 05:26:32,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:32,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:26:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 05:26:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 05:26:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 05:26:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 05:26:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 05:26:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 05:26:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 05:26:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-18 05:26:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 05:26:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-18 05:26:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-18 05:26:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-18 05:26:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-18 05:26:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2021-12-18 05:26:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2021-12-18 05:26:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:33,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6716 trivial. 0 not checked. [2021-12-18 05:26:33,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:33,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606269614] [2021-12-18 05:26:33,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606269614] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:33,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354015102] [2021-12-18 05:26:33,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:26:33,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:33,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:33,896 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) [2021-12-18 05:26:33,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 05:26:36,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 05:26:36,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:26:36,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 7333 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 05:26:36,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:26:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6720 trivial. 0 not checked. [2021-12-18 05:26:36,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:26:36,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354015102] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:36,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:26:36,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2021-12-18 05:26:36,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056862095] [2021-12-18 05:26:36,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:36,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:26:36,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:36,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:26:36,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:26:36,989 INFO L87 Difference]: Start difference. First operand 879 states and 1267 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) [2021-12-18 05:26:37,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:37,071 INFO L93 Difference]: Finished difference Result 905 states and 1299 transitions. [2021-12-18 05:26:37,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:26:37,071 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 [2021-12-18 05:26:37,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:37,076 INFO L225 Difference]: With dead ends: 905 [2021-12-18 05:26:37,076 INFO L226 Difference]: Without dead ends: 903 [2021-12-18 05:26:37,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 982 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2021-12-18 05:26:37,077 INFO L933 BasicCegarLoop]: 1171 mSDtfsCounter, 34 mSDsluCounter, 4670 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 5841 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:37,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 5841 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:26:37,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2021-12-18 05:26:37,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 903. [2021-12-18 05:26:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 639 states have (on average 1.3474178403755868) internal successors, (861), 652 states have internal predecessors, (861), 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) [2021-12-18 05:26:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1297 transitions. [2021-12-18 05:26:37,112 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1297 transitions. Word has length 746 [2021-12-18 05:26:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:37,113 INFO L470 AbstractCegarLoop]: Abstraction has 903 states and 1297 transitions. [2021-12-18 05:26:37,114 INFO L471 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) [2021-12-18 05:26:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1297 transitions. [2021-12-18 05:26:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2021-12-18 05:26:37,119 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:37,120 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:37,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 05:26:37,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:37,328 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:37,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:37,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1741896324, now seen corresponding path program 1 times [2021-12-18 05:26:37,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:37,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865985710] [2021-12-18 05:26:37,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:37,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:26:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 05:26:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:37,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 05:26:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 05:26:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 05:26:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 05:26:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 05:26:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 05:26:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-18 05:26:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 05:26:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-18 05:26:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-18 05:26:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-18 05:26:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-18 05:26:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2021-12-18 05:26:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2021-12-18 05:26:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2021-12-18 05:26:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6718 trivial. 0 not checked. [2021-12-18 05:26:38,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:38,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865985710] [2021-12-18 05:26:38,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865985710] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:38,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:26:38,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:26:38,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753612363] [2021-12-18 05:26:38,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:38,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:26:38,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:38,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:26:38,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:26:38,184 INFO L87 Difference]: Start difference. First operand 903 states and 1297 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) [2021-12-18 05:26:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:41,706 INFO L93 Difference]: Finished difference Result 2282 states and 3341 transitions. [2021-12-18 05:26:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:26:41,707 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 [2021-12-18 05:26:41,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:41,721 INFO L225 Difference]: With dead ends: 2282 [2021-12-18 05:26:41,722 INFO L226 Difference]: Without dead ends: 1669 [2021-12-18 05:26:41,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 05:26:41,727 INFO L933 BasicCegarLoop]: 1059 mSDtfsCounter, 3186 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 1874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3292 SdHoareTripleChecker+Valid, 2438 SdHoareTripleChecker+Invalid, 3418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1874 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:41,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3292 Valid, 2438 Invalid, 3418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1874 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-18 05:26:41,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2021-12-18 05:26:41,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1443. [2021-12-18 05:26:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 1050 states have (on average 1.36) internal successors, (1428), 1072 states have internal predecessors, (1428), 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) [2021-12-18 05:26:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 2060 transitions. [2021-12-18 05:26:41,781 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 2060 transitions. Word has length 752 [2021-12-18 05:26:41,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:41,782 INFO L470 AbstractCegarLoop]: Abstraction has 1443 states and 2060 transitions. [2021-12-18 05:26:41,782 INFO L471 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) [2021-12-18 05:26:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2060 transitions. [2021-12-18 05:26:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2021-12-18 05:26:41,787 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:41,788 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:41,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 05:26:41,788 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:41,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:41,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1621430530, now seen corresponding path program 1 times [2021-12-18 05:26:41,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:41,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146158876] [2021-12-18 05:26:41,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:41,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:26:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 05:26:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 05:26:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 05:26:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 05:26:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 05:26:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 05:26:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 05:26:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-18 05:26:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 05:26:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-18 05:26:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-18 05:26:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-18 05:26:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-18 05:26:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2021-12-18 05:26:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2021-12-18 05:26:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2021-12-18 05:26:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6720 trivial. 0 not checked. [2021-12-18 05:26:42,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:42,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146158876] [2021-12-18 05:26:42,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146158876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:42,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:26:42,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 05:26:42,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947365288] [2021-12-18 05:26:42,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:42,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:26:42,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:42,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:26:42,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:26:42,650 INFO L87 Difference]: Start difference. First operand 1443 states and 2060 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) [2021-12-18 05:26:45,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:45,653 INFO L93 Difference]: Finished difference Result 1677 states and 2418 transitions. [2021-12-18 05:26:45,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 05:26:45,654 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 [2021-12-18 05:26:45,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:45,661 INFO L225 Difference]: With dead ends: 1677 [2021-12-18 05:26:45,662 INFO L226 Difference]: Without dead ends: 1675 [2021-12-18 05:26:45,662 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:26:45,663 INFO L933 BasicCegarLoop]: 991 mSDtfsCounter, 1343 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 1613 mSolverCounterSat, 1028 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 2641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1028 IncrementalHoareTripleChecker+Valid, 1613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:45,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1376 Valid, 3280 Invalid, 2641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1028 Valid, 1613 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-18 05:26:45,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2021-12-18 05:26:45,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1451. [2021-12-18 05:26:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1056 states have (on average 1.3579545454545454) internal successors, (1434), 1078 states have internal predecessors, (1434), 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) [2021-12-18 05:26:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2066 transitions. [2021-12-18 05:26:45,708 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2066 transitions. Word has length 751 [2021-12-18 05:26:45,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:45,709 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2066 transitions. [2021-12-18 05:26:45,709 INFO L471 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) [2021-12-18 05:26:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2066 transitions. [2021-12-18 05:26:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2021-12-18 05:26:45,715 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:45,715 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:45,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 05:26:45,715 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:45,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1947152504, now seen corresponding path program 1 times [2021-12-18 05:26:45,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:45,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827278934] [2021-12-18 05:26:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:45,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 05:26:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 05:26:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 05:26:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 05:26:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 05:26:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 05:26:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-18 05:26:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 05:26:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-18 05:26:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 05:26:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-18 05:26:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-18 05:26:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-18 05:26:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-12-18 05:26:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2021-12-18 05:26:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2021-12-18 05:26:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6716 trivial. 0 not checked. [2021-12-18 05:26:46,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:46,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827278934] [2021-12-18 05:26:46,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827278934] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:46,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986027620] [2021-12-18 05:26:46,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:46,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:46,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:46,655 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) [2021-12-18 05:26:46,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 05:26:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:48,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 10651 conjuncts, 44 conjunts are in the unsatisfiable core [2021-12-18 05:26:48,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:26:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6714 trivial. 0 not checked. [2021-12-18 05:26:50,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:26:50,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986027620] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:50,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:26:50,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 12 [2021-12-18 05:26:50,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676836671] [2021-12-18 05:26:50,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:50,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:26:50,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:50,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:26:50,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-18 05:26:50,217 INFO L87 Difference]: Start difference. First operand 1451 states and 2066 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) [2021-12-18 05:26:50,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:50,703 INFO L93 Difference]: Finished difference Result 2776 states and 3956 transitions. [2021-12-18 05:26:50,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:26:50,704 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 [2021-12-18 05:26:50,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:50,710 INFO L225 Difference]: With dead ends: 2776 [2021-12-18 05:26:50,710 INFO L226 Difference]: Without dead ends: 1453 [2021-12-18 05:26:50,714 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:26:50,715 INFO L933 BasicCegarLoop]: 1167 mSDtfsCounter, 32 mSDsluCounter, 6752 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 7919 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:50,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 7919 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 05:26:50,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2021-12-18 05:26:50,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1451. [2021-12-18 05:26:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 1056 states have (on average 1.3570075757575757) internal successors, (1433), 1078 states have internal predecessors, (1433), 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) [2021-12-18 05:26:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2065 transitions. [2021-12-18 05:26:50,755 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2065 transitions. Word has length 755 [2021-12-18 05:26:50,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:50,756 INFO L470 AbstractCegarLoop]: Abstraction has 1451 states and 2065 transitions. [2021-12-18 05:26:50,756 INFO L471 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) [2021-12-18 05:26:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2065 transitions. [2021-12-18 05:26:50,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2021-12-18 05:26:50,762 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:50,762 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:50,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 05:26:50,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-18 05:26:50,978 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:50,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:50,979 INFO L85 PathProgramCache]: Analyzing trace with hash -906622981, now seen corresponding path program 1 times [2021-12-18 05:26:50,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:50,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662886913] [2021-12-18 05:26:50,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:50,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-18 05:26:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 05:26:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 05:26:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-18 05:26:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 05:26:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 05:26:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-18 05:26:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 05:26:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-18 05:26:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-18 05:26:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-18 05:26:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-18 05:26:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2021-12-18 05:26:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2021-12-18 05:26:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2021-12-18 05:26:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2021-12-18 05:26:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6736 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6732 trivial. 0 not checked. [2021-12-18 05:26:51,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:51,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662886913] [2021-12-18 05:26:51,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662886913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:26:51,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:26:51,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 05:26:51,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158357612] [2021-12-18 05:26:51,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:26:51,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 05:26:51,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:26:51,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 05:26:51,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-18 05:26:51,805 INFO L87 Difference]: Start difference. First operand 1451 states and 2065 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) [2021-12-18 05:26:56,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:26:56,837 INFO L93 Difference]: Finished difference Result 2986 states and 4288 transitions. [2021-12-18 05:26:56,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 05:26:56,838 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 [2021-12-18 05:26:56,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:26:56,847 INFO L225 Difference]: With dead ends: 2986 [2021-12-18 05:26:56,847 INFO L226 Difference]: Without dead ends: 1673 [2021-12-18 05:26:56,851 INFO L932 BasicCegarLoop]: 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 [2021-12-18 05:26:56,851 INFO L933 BasicCegarLoop]: 989 mSDtfsCounter, 810 mSDsluCounter, 4965 mSDsCounter, 0 mSdLazyCounter, 3271 mSolverCounterSat, 538 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 5954 SdHoareTripleChecker+Invalid, 3809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 3271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:26:56,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [843 Valid, 5954 Invalid, 3809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [538 Valid, 3271 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-18 05:26:56,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2021-12-18 05:26:56,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1456. [2021-12-18 05:26:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1059 states have (on average 1.355996222851747) internal successors, (1436), 1082 states have internal predecessors, (1436), 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) [2021-12-18 05:26:56,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 2070 transitions. [2021-12-18 05:26:56,895 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 2070 transitions. Word has length 761 [2021-12-18 05:26:56,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:26:56,896 INFO L470 AbstractCegarLoop]: Abstraction has 1456 states and 2070 transitions. [2021-12-18 05:26:56,896 INFO L471 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) [2021-12-18 05:26:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2070 transitions. [2021-12-18 05:26:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2021-12-18 05:26:56,902 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:26:56,902 INFO L514 BasicCegarLoop]: 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] [2021-12-18 05:26:56,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 05:26:56,902 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:26:56,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:26:56,903 INFO L85 PathProgramCache]: Analyzing trace with hash 2911528, now seen corresponding path program 1 times [2021-12-18 05:26:56,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:26:56,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206338814] [2021-12-18 05:26:56,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:56,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:26:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:26:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:26:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:26:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:26:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 05:26:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 05:26:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 05:26:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:26:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 05:26:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:26:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 05:26:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 05:26:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 05:26:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:26:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 05:26:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 05:26:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 05:26:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 05:26:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 05:26:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-18 05:26:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:26:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:26:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:26:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:26:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:26:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:26:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:26:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:26:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:26:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:26:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:26:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:26:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:26:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:26:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:26:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:26:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:26:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:26:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 05:26:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 05:26:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 05:26:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 05:26:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 05:26:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 05:26:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-18 05:26:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 05:26:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:26:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 05:26:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 05:26:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 05:26:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 05:26:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 05:26:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-18 05:26:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-18 05:26:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-12-18 05:26:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-18 05:26:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-12-18 05:26:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2021-12-18 05:26:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2021-12-18 05:26:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2021-12-18 05:26:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2021-12-18 05:26:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:26:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:26:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 05:26:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 05:26:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:26:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6758 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 6606 trivial. 0 not checked. [2021-12-18 05:26:57,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:26:57,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206338814] [2021-12-18 05:26:57,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206338814] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:26:57,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022760301] [2021-12-18 05:26:57,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:26:57,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:26:57,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:26:57,951 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) [2021-12-18 05:26:57,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 05:27:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:27:01,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 10703 conjuncts, 1479 conjunts are in the unsatisfiable core [2021-12-18 05:27:01,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:27:07,039 INFO L244 Elim1Store]: Index analysis took 489 ms [2021-12-18 05:28:30,686 WARN L227 SmtUtils]: Spent 1.39m on a formula simplification. DAG size of input: 4456 DAG size of output: 331 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-12-18 05:28:30,688 INFO L354 Elim1Store]: treesize reduction 43868, result has 1.4 percent of original size [2021-12-18 05:28:30,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 633 case distinctions, treesize of input 2719 treesize of output 3170 Killed by 15