./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 00:56:46,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 00:56:46,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 00:56:46,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 00:56:46,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 00:56:46,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 00:56:46,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 00:56:46,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 00:56:46,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 00:56:46,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 00:56:46,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 00:56:46,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 00:56:46,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 00:56:46,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 00:56:46,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 00:56:46,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 00:56:46,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 00:56:46,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 00:56:46,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 00:56:46,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 00:56:46,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 00:56:46,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 00:56:46,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 00:56:46,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 00:56:46,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 00:56:46,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 00:56:46,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 00:56:46,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 00:56:46,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 00:56:46,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 00:56:46,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 00:56:46,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 00:56:46,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 00:56:46,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 00:56:46,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 00:56:46,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 00:56:46,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 00:56:46,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 00:56:46,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 00:56:46,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 00:56:46,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 00:56:46,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 00:56:46,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 00:56:46,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 00:56:46,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 00:56:46,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 00:56:46,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 00:56:46,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 00:56:46,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 00:56:46,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 00:56:46,496 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 00:56:46,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 00:56:46,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 00:56:46,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 00:56:46,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 00:56:46,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 00:56:46,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 00:56:46,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 00:56:46,498 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 00:56:46,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 00:56:46,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 00:56:46,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 00:56:46,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 00:56:46,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 00:56:46,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 00:56:46,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 00:56:46,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 00:56:46,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 00:56:46,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 00:56:46,500 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 00:56:46,500 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 00:56:46,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 00:56:46,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 00:56:46,501 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2021-11-17 00:56:46,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 00:56:46,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 00:56:46,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 00:56:46,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 00:56:46,738 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 00:56:46,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2021-11-17 00:56:46,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31cb52f3a/c45130ed85d8495bb3b9e1aa8ce5fff0/FLAGec1dbfa67 [2021-11-17 00:56:47,462 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 00:56:47,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2021-11-17 00:56:47,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31cb52f3a/c45130ed85d8495bb3b9e1aa8ce5fff0/FLAGec1dbfa67 [2021-11-17 00:56:47,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31cb52f3a/c45130ed85d8495bb3b9e1aa8ce5fff0 [2021-11-17 00:56:47,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 00:56:47,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 00:56:47,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 00:56:47,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 00:56:47,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 00:56:47,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:56:47" (1/1) ... [2021-11-17 00:56:47,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22af73e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:47, skipping insertion in model container [2021-11-17 00:56:47,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:56:47" (1/1) ... [2021-11-17 00:56:47,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 00:56:47,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 00:56:48,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2021-11-17 00:56:50,053 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 00:56:50,092 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 00:56:50,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2021-11-17 00:56:50,392 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 00:56:50,495 INFO L208 MainTranslator]: Completed translation [2021-11-17 00:56:50,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50 WrapperNode [2021-11-17 00:56:50,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 00:56:50,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 00:56:50,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 00:56:50,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 00:56:50,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:50,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:50,792 INFO L137 Inliner]: procedures = 405, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8501 [2021-11-17 00:56:50,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 00:56:50,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 00:56:50,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 00:56:50,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 00:56:50,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:50,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:50,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:50,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:51,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:51,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:51,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:51,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 00:56:51,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 00:56:51,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 00:56:51,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 00:56:51,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (1/1) ... [2021-11-17 00:56:51,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 00:56:51,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 00:56:51,143 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) [2021-11-17 00:56:51,159 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 [2021-11-17 00:56:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2021-11-17 00:56:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2021-11-17 00:56:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2021-11-17 00:56:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2021-11-17 00:56:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2021-11-17 00:56:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2021-11-17 00:56:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2021-11-17 00:56:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2021-11-17 00:56:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-17 00:56:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-17 00:56:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 00:56:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 00:56:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-17 00:56:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-17 00:56:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 00:56:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 00:56:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2021-11-17 00:56:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2021-11-17 00:56:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2021-11-17 00:56:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2021-11-17 00:56:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2021-11-17 00:56:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2021-11-17 00:56:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2021-11-17 00:56:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2021-11-17 00:56:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 00:56:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 00:56:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2021-11-17 00:56:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2021-11-17 00:56:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2021-11-17 00:56:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2021-11-17 00:56:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2021-11-17 00:56:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2021-11-17 00:56:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 00:56:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 00:56:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 00:56:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2021-11-17 00:56:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2021-11-17 00:56:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2021-11-17 00:56:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2021-11-17 00:56:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2021-11-17 00:56:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2021-11-17 00:56:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2021-11-17 00:56:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2021-11-17 00:56:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-17 00:56:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 00:56:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 00:56:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 00:56:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 00:56:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 00:56:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2021-11-17 00:56:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2021-11-17 00:56:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 00:56:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 00:56:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 00:56:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 00:56:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 00:56:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 00:56:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 00:56:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 00:56:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 00:56:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 00:56:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 00:56:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 00:56:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 00:56:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 00:56:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 00:56:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-17 00:56:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-17 00:56:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 00:56:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 00:56:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2021-11-17 00:56:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2021-11-17 00:56:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-11-17 00:56:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-11-17 00:56:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-17 00:56:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-17 00:56:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2021-11-17 00:56:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2021-11-17 00:56:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-17 00:56:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-17 00:56:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-17 00:56:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-11-17 00:56:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-11-17 00:56:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 00:56:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 00:56:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 00:56:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-17 00:56:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-17 00:56:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 00:56:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-17 00:56:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-17 00:56:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2021-11-17 00:56:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2021-11-17 00:56:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 00:56:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 00:56:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2021-11-17 00:56:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2021-11-17 00:56:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 00:56:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 00:56:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 00:56:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 00:56:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2021-11-17 00:56:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2021-11-17 00:56:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2021-11-17 00:56:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2021-11-17 00:56:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2021-11-17 00:56:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2021-11-17 00:56:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2021-11-17 00:56:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2021-11-17 00:56:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2021-11-17 00:56:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2021-11-17 00:56:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 00:56:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 00:56:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 00:56:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 00:56:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2021-11-17 00:56:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2021-11-17 00:56:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2021-11-17 00:56:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2021-11-17 00:56:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 00:56:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 00:56:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 00:56:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 00:56:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2021-11-17 00:56:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2021-11-17 00:56:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 00:56:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 00:56:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2021-11-17 00:56:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2021-11-17 00:56:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2021-11-17 00:56:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2021-11-17 00:56:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-17 00:56:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-17 00:56:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-11-17 00:56:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-11-17 00:56:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 00:56:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 00:56:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-17 00:56:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-17 00:56:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 00:56:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 00:56:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 00:56:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 00:56:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-17 00:56:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-17 00:56:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 00:56:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 00:56:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2021-11-17 00:56:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2021-11-17 00:56:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2021-11-17 00:56:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2021-11-17 00:56:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2021-11-17 00:56:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2021-11-17 00:56:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 00:56:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 00:56:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 00:56:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 00:56:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2021-11-17 00:56:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2021-11-17 00:56:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2021-11-17 00:56:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2021-11-17 00:56:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-17 00:56:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-17 00:56:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2021-11-17 00:56:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2021-11-17 00:56:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2021-11-17 00:56:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2021-11-17 00:56:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2021-11-17 00:56:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2021-11-17 00:56:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-17 00:56:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-17 00:56:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 00:56:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-17 00:56:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-17 00:56:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2021-11-17 00:56:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2021-11-17 00:56:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 00:56:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 00:56:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 00:56:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 00:56:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2021-11-17 00:56:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2021-11-17 00:56:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2021-11-17 00:56:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2021-11-17 00:56:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2021-11-17 00:56:51,296 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2021-11-17 00:56:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-17 00:56:51,296 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-17 00:56:51,296 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2021-11-17 00:56:51,296 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2021-11-17 00:56:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 00:56:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 00:56:51,297 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2021-11-17 00:56:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2021-11-17 00:56:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2021-11-17 00:56:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2021-11-17 00:56:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 00:56:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 00:56:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2021-11-17 00:56:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2021-11-17 00:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-17 00:56:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-17 00:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 00:56:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 00:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-17 00:56:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-17 00:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2021-11-17 00:56:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2021-11-17 00:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 00:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-17 00:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-17 00:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 00:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 00:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2021-11-17 00:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2021-11-17 00:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2021-11-17 00:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2021-11-17 00:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2021-11-17 00:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2021-11-17 00:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2021-11-17 00:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2021-11-17 00:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2021-11-17 00:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2021-11-17 00:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-17 00:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-17 00:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 00:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 00:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-17 00:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-17 00:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2021-11-17 00:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2021-11-17 00:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2021-11-17 00:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2021-11-17 00:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2021-11-17 00:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2021-11-17 00:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2021-11-17 00:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2021-11-17 00:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2021-11-17 00:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2021-11-17 00:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2021-11-17 00:56:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2021-11-17 00:56:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2021-11-17 00:56:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2021-11-17 00:56:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 00:56:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 00:56:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-17 00:56:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-17 00:56:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2021-11-17 00:56:51,305 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2021-11-17 00:56:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-17 00:56:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-17 00:56:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 00:56:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-17 00:56:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-17 00:56:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-17 00:56:52,075 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 00:56:52,077 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 00:56:52,588 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 00:57:13,888 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 00:57:13,912 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 00:57:13,912 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-17 00:57:13,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:57:13 BoogieIcfgContainer [2021-11-17 00:57:13,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 00:57:13,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 00:57:13,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 00:57:13,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 00:57:13,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:56:47" (1/3) ... [2021-11-17 00:57:13,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45be61e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:57:13, skipping insertion in model container [2021-11-17 00:57:13,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:56:50" (2/3) ... [2021-11-17 00:57:13,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45be61e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:57:13, skipping insertion in model container [2021-11-17 00:57:13,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:57:13" (3/3) ... [2021-11-17 00:57:13,922 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2021-11-17 00:57:13,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 00:57:13,926 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 00:57:13,972 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 00:57:13,976 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 [2021-11-17 00:57:13,976 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 00:57:14,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) [2021-11-17 00:57:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-17 00:57:14,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:57:14,034 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:57:14,034 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:57:14,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:57:14,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1928602970, now seen corresponding path program 1 times [2021-11-17 00:57:14,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:57:14,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251910678] [2021-11-17 00:57:14,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:57:14,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:57:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:57:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:57:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:57:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 00:57:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 00:57:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 00:57:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 00:57:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:57:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:57:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 00:57:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-17 00:57:14,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:57:14,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251910678] [2021-11-17 00:57:14,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251910678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:57:14,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:57:14,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 00:57:14,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474133697] [2021-11-17 00:57:14,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:57:14,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 00:57:14,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:57:14,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 00:57:14,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 00:57:14,855 INFO L87 Difference]: Start difference. First operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-17 00:57:16,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:18,989 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:21,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:28,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:30,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:41,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:43,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:45,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:47,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:49,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:57:49,763 INFO L93 Difference]: Finished difference Result 8512 states and 13066 transitions. [2021-11-17 00:57:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 00:57:49,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 80 [2021-11-17 00:57:49,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:57:49,868 INFO L225 Difference]: With dead ends: 8512 [2021-11-17 00:57:49,869 INFO L226 Difference]: Without dead ends: 5807 [2021-11-17 00:57:49,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 00:57:49,899 INFO L933 BasicCegarLoop]: 4259 mSDtfsCounter, 5989 mSDsluCounter, 6727 mSDsCounter, 0 mSdLazyCounter, 4473 mSolverCounterSat, 3571 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6506 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 8053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3571 IncrementalHoareTripleChecker+Valid, 4473 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2021-11-17 00:57:49,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6506 Valid, 10986 Invalid, 8053 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3571 Valid, 4473 Invalid, 9 Unknown, 0 Unchecked, 34.2s Time] [2021-11-17 00:57:49,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5807 states. [2021-11-17 00:57:50,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5807 to 5285. [2021-11-17 00:57:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5285 states, 3703 states have (on average 1.3337834188495814) internal successors, (4939), 3737 states have internal predecessors, (4939), 1351 states have call successors, (1351), 231 states have call predecessors, (1351), 230 states have return successors, (1350), 1350 states have call predecessors, (1350), 1350 states have call successors, (1350) [2021-11-17 00:57:50,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 7640 transitions. [2021-11-17 00:57:50,300 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 7640 transitions. Word has length 80 [2021-11-17 00:57:50,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:57:50,301 INFO L470 AbstractCegarLoop]: Abstraction has 5285 states and 7640 transitions. [2021-11-17 00:57:50,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-11-17 00:57:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7640 transitions. [2021-11-17 00:57:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-17 00:57:50,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:57:50,314 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 00:57:50,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 00:57:50,314 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:57:50,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:57:50,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1305003726, now seen corresponding path program 1 times [2021-11-17 00:57:50,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:57:50,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181966995] [2021-11-17 00:57:50,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:57:50,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:57:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:57:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:57:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:57:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 00:57:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 00:57:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 00:57:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 00:57:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:57:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:57:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 00:57:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 00:57:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:57:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-17 00:57:50,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:57:50,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181966995] [2021-11-17 00:57:50,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181966995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:57:50,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:57:50,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 00:57:50,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161988581] [2021-11-17 00:57:50,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:57:50,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 00:57:50,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:57:50,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 00:57:50,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 00:57:50,691 INFO L87 Difference]: Start difference. First operand 5285 states and 7640 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-17 00:57:52,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:54,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:57:57,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:04,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:13,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:15,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:18,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:20,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:21,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:58:21,747 INFO L93 Difference]: Finished difference Result 11067 states and 16584 transitions. [2021-11-17 00:58:21,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 00:58:21,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 90 [2021-11-17 00:58:21,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:58:21,772 INFO L225 Difference]: With dead ends: 11067 [2021-11-17 00:58:21,772 INFO L226 Difference]: Without dead ends: 5806 [2021-11-17 00:58:21,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-17 00:58:21,791 INFO L933 BasicCegarLoop]: 3970 mSDtfsCounter, 5189 mSDsluCounter, 7043 mSDsCounter, 0 mSdLazyCounter, 3476 mSolverCounterSat, 2124 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5672 SdHoareTripleChecker+Valid, 11013 SdHoareTripleChecker+Invalid, 5604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2124 IncrementalHoareTripleChecker+Valid, 3476 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2021-11-17 00:58:21,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5672 Valid, 11013 Invalid, 5604 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2124 Valid, 3476 Invalid, 4 Unknown, 0 Unchecked, 30.5s Time] [2021-11-17 00:58:21,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5806 states. [2021-11-17 00:58:21,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5806 to 5284. [2021-11-17 00:58:22,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 3702 states have (on average 1.3330632090761751) internal successors, (4935), 3736 states have internal predecessors, (4935), 1351 states have call successors, (1351), 231 states have call predecessors, (1351), 230 states have return successors, (1350), 1350 states have call predecessors, (1350), 1350 states have call successors, (1350) [2021-11-17 00:58:22,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 7636 transitions. [2021-11-17 00:58:22,023 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 7636 transitions. Word has length 90 [2021-11-17 00:58:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:58:22,025 INFO L470 AbstractCegarLoop]: Abstraction has 5284 states and 7636 transitions. [2021-11-17 00:58:22,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-17 00:58:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 7636 transitions. [2021-11-17 00:58:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-17 00:58:22,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:58:22,038 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 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] [2021-11-17 00:58:22,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 00:58:22,039 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:58:22,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:58:22,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1148482412, now seen corresponding path program 1 times [2021-11-17 00:58:22,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:58:22,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754735215] [2021-11-17 00:58:22,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:58:22,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:58:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:58:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:58:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:58:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 00:58:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 00:58:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 00:58:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 00:58:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:58:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:58:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 00:58:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 00:58:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 00:58:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 00:58:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 00:58:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 00:58:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 00:58:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 00:58:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 00:58:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:58:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-11-17 00:58:22,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:58:22,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754735215] [2021-11-17 00:58:22,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754735215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:58:22,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:58:22,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 00:58:22,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501648733] [2021-11-17 00:58:22,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:58:22,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 00:58:22,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:58:22,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 00:58:22,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 00:58:22,490 INFO L87 Difference]: Start difference. First operand 5284 states and 7636 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 00:58:24,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:26,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:35,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:37,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:44,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:47,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:53,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:55,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:57,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:58:59,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:01,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:04,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:06,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:08,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:59:08,265 INFO L93 Difference]: Finished difference Result 16823 states and 25548 transitions. [2021-11-17 00:59:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 00:59:08,266 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2021-11-17 00:59:08,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:59:08,336 INFO L225 Difference]: With dead ends: 16823 [2021-11-17 00:59:08,336 INFO L226 Difference]: Without dead ends: 11557 [2021-11-17 00:59:08,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-11-17 00:59:08,367 INFO L933 BasicCegarLoop]: 4240 mSDtfsCounter, 5972 mSDsluCounter, 14590 mSDsCounter, 0 mSdLazyCounter, 6066 mSolverCounterSat, 3576 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6485 SdHoareTripleChecker+Valid, 18830 SdHoareTripleChecker+Invalid, 9655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3576 IncrementalHoareTripleChecker+Valid, 6066 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.2s IncrementalHoareTripleChecker+Time [2021-11-17 00:59:08,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6485 Valid, 18830 Invalid, 9655 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3576 Valid, 6066 Invalid, 13 Unknown, 0 Unchecked, 45.2s Time] [2021-11-17 00:59:08,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11557 states. [2021-11-17 00:59:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11557 to 10635. [2021-11-17 00:59:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10635 states, 7461 states have (on average 1.3344055756600992) internal successors, (9956), 7537 states have internal predecessors, (9956), 2697 states have call successors, (2697), 461 states have call predecessors, (2697), 476 states have return successors, (2786), 2702 states have call predecessors, (2786), 2696 states have call successors, (2786) [2021-11-17 00:59:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10635 states to 10635 states and 15439 transitions. [2021-11-17 00:59:08,971 INFO L78 Accepts]: Start accepts. Automaton has 10635 states and 15439 transitions. Word has length 146 [2021-11-17 00:59:08,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:59:08,971 INFO L470 AbstractCegarLoop]: Abstraction has 10635 states and 15439 transitions. [2021-11-17 00:59:08,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 00:59:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 10635 states and 15439 transitions. [2021-11-17 00:59:09,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-17 00:59:09,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:59:09,001 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 3, 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] [2021-11-17 00:59:09,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 00:59:09,002 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:59:09,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:59:09,002 INFO L85 PathProgramCache]: Analyzing trace with hash 991401212, now seen corresponding path program 1 times [2021-11-17 00:59:09,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:59:09,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362430619] [2021-11-17 00:59:09,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:59:09,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:59:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:59:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:59:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:59:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 00:59:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 00:59:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 00:59:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 00:59:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:59:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:59:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 00:59:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 00:59:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 00:59:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 00:59:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 00:59:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 00:59:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 00:59:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 00:59:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 00:59:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 00:59:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:59:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 00:59:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:59:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-17 00:59:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 00:59:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:59:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2021-11-17 00:59:09,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:59:09,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362430619] [2021-11-17 00:59:09,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362430619] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:59:09,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:59:09,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 00:59:09,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116186980] [2021-11-17 00:59:09,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:59:09,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 00:59:09,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:59:09,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 00:59:09,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-17 00:59:09,471 INFO L87 Difference]: Start difference. First operand 10635 states and 15439 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 00:59:11,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:13,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:15,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:20,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:22,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:30,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:32,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:40,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:42,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:44,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 00:59:44,949 INFO L93 Difference]: Finished difference Result 33445 states and 50799 transitions. [2021-11-17 00:59:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 00:59:44,953 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 212 [2021-11-17 00:59:44,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 00:59:45,072 INFO L225 Difference]: With dead ends: 33445 [2021-11-17 00:59:45,073 INFO L226 Difference]: Without dead ends: 22834 [2021-11-17 00:59:45,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-17 00:59:45,286 INFO L933 BasicCegarLoop]: 5215 mSDtfsCounter, 5598 mSDsluCounter, 7615 mSDsCounter, 0 mSdLazyCounter, 5735 mSolverCounterSat, 3501 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6376 SdHoareTripleChecker+Valid, 12830 SdHoareTripleChecker+Invalid, 9243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3501 IncrementalHoareTripleChecker+Valid, 5735 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2021-11-17 00:59:45,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6376 Valid, 12830 Invalid, 9243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3501 Valid, 5735 Invalid, 7 Unknown, 0 Unchecked, 34.7s Time] [2021-11-17 00:59:45,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22834 states. [2021-11-17 00:59:46,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22834 to 20731. [2021-11-17 00:59:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20731 states, 14629 states have (on average 1.327295098776403) internal successors, (19417), 14789 states have internal predecessors, (19417), 5151 states have call successors, (5151), 909 states have call predecessors, (5151), 950 states have return successors, (5323), 5164 states have call predecessors, (5323), 5150 states have call successors, (5323) [2021-11-17 00:59:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20731 states to 20731 states and 29891 transitions. [2021-11-17 00:59:46,162 INFO L78 Accepts]: Start accepts. Automaton has 20731 states and 29891 transitions. Word has length 212 [2021-11-17 00:59:46,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 00:59:46,164 INFO L470 AbstractCegarLoop]: Abstraction has 20731 states and 29891 transitions. [2021-11-17 00:59:46,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 00:59:46,165 INFO L276 IsEmpty]: Start isEmpty. Operand 20731 states and 29891 transitions. [2021-11-17 00:59:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-17 00:59:46,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 00:59:46,208 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 3, 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] [2021-11-17 00:59:46,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 00:59:46,209 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 00:59:46,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 00:59:46,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2069368452, now seen corresponding path program 2 times [2021-11-17 00:59:46,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 00:59:46,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40364286] [2021-11-17 00:59:46,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 00:59:46,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 00:59:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 00:59:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 00:59:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 00:59:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 00:59:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 00:59:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 00:59:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 00:59:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 00:59:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 00:59:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 00:59:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 00:59:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 00:59:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 00:59:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 00:59:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-17 00:59:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 00:59:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 00:59:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 00:59:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 00:59:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-17 00:59:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 00:59:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 00:59:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 00:59:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 00:59:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-17 00:59:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 00:59:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2021-11-17 00:59:46,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 00:59:46,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40364286] [2021-11-17 00:59:46,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40364286] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 00:59:46,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 00:59:46,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 00:59:46,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727167603] [2021-11-17 00:59:46,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 00:59:46,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 00:59:46,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 00:59:46,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 00:59:46,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-17 00:59:46,601 INFO L87 Difference]: Start difference. First operand 20731 states and 29891 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 00:59:48,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:50,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:52,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:57,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 00:59:59,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:01,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:06,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:22,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:26,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:28,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:30,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:00:30,531 INFO L93 Difference]: Finished difference Result 37307 states and 54970 transitions. [2021-11-17 01:00:30,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 01:00:30,532 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 212 [2021-11-17 01:00:30,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:00:30,630 INFO L225 Difference]: With dead ends: 37307 [2021-11-17 01:00:30,631 INFO L226 Difference]: Without dead ends: 16600 [2021-11-17 01:00:30,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-11-17 01:00:30,683 INFO L933 BasicCegarLoop]: 3874 mSDtfsCounter, 4352 mSDsluCounter, 8680 mSDsCounter, 0 mSdLazyCounter, 7424 mSolverCounterSat, 3591 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4721 SdHoareTripleChecker+Valid, 12554 SdHoareTripleChecker+Invalid, 11024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3591 IncrementalHoareTripleChecker+Valid, 7424 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:00:30,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4721 Valid, 12554 Invalid, 11024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3591 Valid, 7424 Invalid, 9 Unknown, 0 Unchecked, 43.1s Time] [2021-11-17 01:00:30,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16600 states. [2021-11-17 01:00:31,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16600 to 14948. [2021-11-17 01:00:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14948 states, 10570 states have (on average 1.3152317880794702) internal successors, (13902), 10693 states have internal predecessors, (13902), 3598 states have call successors, (3598), 747 states have call predecessors, (3598), 779 states have return successors, (3739), 3607 states have call predecessors, (3739), 3597 states have call successors, (3739) [2021-11-17 01:00:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14948 states to 14948 states and 21239 transitions. [2021-11-17 01:00:31,349 INFO L78 Accepts]: Start accepts. Automaton has 14948 states and 21239 transitions. Word has length 212 [2021-11-17 01:00:31,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:00:31,349 INFO L470 AbstractCegarLoop]: Abstraction has 14948 states and 21239 transitions. [2021-11-17 01:00:31,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 01:00:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 14948 states and 21239 transitions. [2021-11-17 01:00:31,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-17 01:00:31,366 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:00:31,366 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 3, 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] [2021-11-17 01:00:31,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 01:00:31,367 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:00:31,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:00:31,367 INFO L85 PathProgramCache]: Analyzing trace with hash -979220484, now seen corresponding path program 1 times [2021-11-17 01:00:31,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:00:31,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158295595] [2021-11-17 01:00:31,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:00:31,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:00:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:00:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:00:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:00:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:00:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:00:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:00:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:00:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:00:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:00:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:00:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:00:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:00:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:00:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:00:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:00:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:00:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:00:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:00:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 01:00:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 01:00:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 01:00:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 01:00:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-17 01:00:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 01:00:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:00:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:00:31,777 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-11-17 01:00:31,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:00:31,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158295595] [2021-11-17 01:00:31,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158295595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:00:31,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:00:31,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 01:00:31,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440322629] [2021-11-17 01:00:31,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:00:31,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:00:31,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:00:31,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:00:31,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:00:31,780 INFO L87 Difference]: Start difference. First operand 14948 states and 21239 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-17 01:00:33,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:35,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:40,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:42,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:56,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:00:58,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:00,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:02,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:04,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:01:04,054 INFO L93 Difference]: Finished difference Result 23059 states and 34364 transitions. [2021-11-17 01:01:04,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:01:04,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) Word has length 212 [2021-11-17 01:01:04,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:01:04,174 INFO L225 Difference]: With dead ends: 23059 [2021-11-17 01:01:04,174 INFO L226 Difference]: Without dead ends: 16591 [2021-11-17 01:01:04,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:01:04,207 INFO L933 BasicCegarLoop]: 3613 mSDtfsCounter, 1950 mSDsluCounter, 7230 mSDsCounter, 0 mSdLazyCounter, 5226 mSolverCounterSat, 2396 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2077 SdHoareTripleChecker+Valid, 10843 SdHoareTripleChecker+Invalid, 7630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2396 IncrementalHoareTripleChecker+Valid, 5226 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2021-11-17 01:01:04,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2077 Valid, 10843 Invalid, 7630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2396 Valid, 5226 Invalid, 8 Unknown, 0 Unchecked, 31.7s Time] [2021-11-17 01:01:04,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16591 states. [2021-11-17 01:01:04,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16591 to 14952. [2021-11-17 01:01:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14952 states, 10574 states have (on average 1.315112540192926) internal successors, (13906), 10697 states have internal predecessors, (13906), 3598 states have call successors, (3598), 747 states have call predecessors, (3598), 779 states have return successors, (3739), 3607 states have call predecessors, (3739), 3597 states have call successors, (3739) [2021-11-17 01:01:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14952 states to 14952 states and 21243 transitions. [2021-11-17 01:01:04,841 INFO L78 Accepts]: Start accepts. Automaton has 14952 states and 21243 transitions. Word has length 212 [2021-11-17 01:01:04,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:01:04,841 INFO L470 AbstractCegarLoop]: Abstraction has 14952 states and 21243 transitions. [2021-11-17 01:01:04,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-17 01:01:04,842 INFO L276 IsEmpty]: Start isEmpty. Operand 14952 states and 21243 transitions. [2021-11-17 01:01:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-17 01:01:04,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:01:04,855 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 3, 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] [2021-11-17 01:01:04,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 01:01:04,855 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:01:04,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:01:04,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1378087589, now seen corresponding path program 1 times [2021-11-17 01:01:04,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:01:04,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804857867] [2021-11-17 01:01:04,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:01:04,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:01:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:01:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:01:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:01:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:01:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:01:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:01:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:01:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:01:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:01:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:01:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:01:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:01:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:01:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:01:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:01:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:01:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:01:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:01:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 01:01:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 01:01:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 01:01:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 01:01:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-17 01:01:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 01:01:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:01:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:01:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-11-17 01:01:05,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:01:05,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804857867] [2021-11-17 01:01:05,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804857867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:01:05,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:01:05,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-17 01:01:05,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930744466] [2021-11-17 01:01:05,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:01:05,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-17 01:01:05,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:01:05,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-17 01:01:05,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-11-17 01:01:05,606 INFO L87 Difference]: Start difference. First operand 14952 states and 21243 transitions. Second operand has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 8 states have internal predecessors, (111), 4 states have call successors, (26), 7 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 01:01:07,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:09,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:11,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:13,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:15,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:21,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:23,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:25,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:53,725 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:55,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:57,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:01:59,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:01,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:03,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:05,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:07,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:09,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:11,460 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:18,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:20,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:22,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:24,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:45,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:47,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:49,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:52,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:54,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:56,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:02:58,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:00,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:02,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:05,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:07,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:09,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:11,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:18,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:19,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:03:19,245 INFO L93 Difference]: Finished difference Result 33757 states and 49986 transitions. [2021-11-17 01:03:19,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-17 01:03:19,246 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 8 states have internal predecessors, (111), 4 states have call successors, (26), 7 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) Word has length 214 [2021-11-17 01:03:19,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:03:19,333 INFO L225 Difference]: With dead ends: 33757 [2021-11-17 01:03:19,333 INFO L226 Difference]: Without dead ends: 20991 [2021-11-17 01:03:19,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2021-11-17 01:03:19,371 INFO L933 BasicCegarLoop]: 4188 mSDtfsCounter, 9363 mSDsluCounter, 9198 mSDsCounter, 0 mSdLazyCounter, 32928 mSolverCounterSat, 5730 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10511 SdHoareTripleChecker+Valid, 13386 SdHoareTripleChecker+Invalid, 38684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5730 IncrementalHoareTripleChecker+Valid, 32928 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 132.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:03:19,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10511 Valid, 13386 Invalid, 38684 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5730 Valid, 32928 Invalid, 26 Unknown, 0 Unchecked, 132.2s Time] [2021-11-17 01:03:19,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20991 states. [2021-11-17 01:03:20,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20991 to 18218. [2021-11-17 01:03:20,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18218 states, 12796 states have (on average 1.3018912160050016) internal successors, (16659), 12939 states have internal predecessors, (16659), 4417 states have call successors, (4417), 952 states have call predecessors, (4417), 1004 states have return successors, (4607), 4452 states have call predecessors, (4607), 4416 states have call successors, (4607) [2021-11-17 01:03:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18218 states to 18218 states and 25683 transitions. [2021-11-17 01:03:20,295 INFO L78 Accepts]: Start accepts. Automaton has 18218 states and 25683 transitions. Word has length 214 [2021-11-17 01:03:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:03:20,296 INFO L470 AbstractCegarLoop]: Abstraction has 18218 states and 25683 transitions. [2021-11-17 01:03:20,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.538461538461538) internal successors, (111), 8 states have internal predecessors, (111), 4 states have call successors, (26), 7 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-17 01:03:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 18218 states and 25683 transitions. [2021-11-17 01:03:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2021-11-17 01:03:20,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:03:20,328 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:03:20,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 01:03:20,329 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:03:20,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:03:20,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1932388832, now seen corresponding path program 1 times [2021-11-17 01:03:20,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:03:20,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321133733] [2021-11-17 01:03:20,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:03:20,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:03:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:03:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:03:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:03:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:03:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:03:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:03:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:03:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:03:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:03:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:03:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:03:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:03:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:03:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:03:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:03:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:03:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:03:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:03:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:03:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:03:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:20,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:03:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-17 01:03:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 01:03:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:03:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 01:03:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 01:03:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 01:03:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 01:03:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 01:03:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:03:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:03:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 01:03:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 01:03:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 01:03:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 01:03:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 01:03:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 01:03:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 01:03:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 01:03:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 01:03:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-17 01:03:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 01:03:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 01:03:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:03:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 01:03:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 01:03:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 01:03:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 01:03:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 01:03:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 01:03:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:03:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 01:03:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 01:03:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 01:03:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-17 01:03:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-17 01:03:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 01:03:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 01:03:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:03:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 01:03:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 01:03:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:03:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-17 01:03:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 01:03:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-11-17 01:03:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 01:03:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-11-17 01:03:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:03:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-11-17 01:03:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-11-17 01:03:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-11-17 01:03:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-11-17 01:03:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-11-17 01:03:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-11-17 01:03:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-11-17 01:03:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-11-17 01:03:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:03:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2021-11-17 01:03:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:03:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1900 trivial. 0 not checked. [2021-11-17 01:03:21,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:03:21,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321133733] [2021-11-17 01:03:21,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321133733] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:03:21,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:03:21,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 01:03:21,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222415078] [2021-11-17 01:03:21,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:03:21,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 01:03:21,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:03:21,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 01:03:21,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:03:21,813 INFO L87 Difference]: Start difference. First operand 18218 states and 25683 transitions. Second operand has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 4 states have internal predecessors, (284), 2 states have call successors, (85), 9 states have call predecessors, (85), 2 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) [2021-11-17 01:03:23,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:25,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:27,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:30,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:33,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:35,917 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:37,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:03:58,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:00,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:02,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:04,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:06,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:08,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:10,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:04:10,589 INFO L93 Difference]: Finished difference Result 38815 states and 56910 transitions. [2021-11-17 01:04:10,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 01:04:10,590 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 4 states have internal predecessors, (284), 2 states have call successors, (85), 9 states have call predecessors, (85), 2 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) Word has length 787 [2021-11-17 01:04:10,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:04:10,677 INFO L225 Difference]: With dead ends: 38815 [2021-11-17 01:04:10,677 INFO L226 Difference]: Without dead ends: 20621 [2021-11-17 01:04:10,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-17 01:04:10,737 INFO L933 BasicCegarLoop]: 3612 mSDtfsCounter, 1401 mSDsluCounter, 13827 mSDsCounter, 0 mSdLazyCounter, 8369 mSolverCounterSat, 1630 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 17439 SdHoareTripleChecker+Invalid, 10011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1630 IncrementalHoareTripleChecker+Valid, 8369 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:04:10,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1530 Valid, 17439 Invalid, 10011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1630 Valid, 8369 Invalid, 12 Unknown, 0 Unchecked, 47.9s Time] [2021-11-17 01:04:10,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20621 states. [2021-11-17 01:04:11,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20621 to 18234. [2021-11-17 01:04:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18234 states, 12812 states have (on average 1.3015142054324071) internal successors, (16675), 12955 states have internal predecessors, (16675), 4417 states have call successors, (4417), 952 states have call predecessors, (4417), 1004 states have return successors, (4607), 4452 states have call predecessors, (4607), 4416 states have call successors, (4607) [2021-11-17 01:04:11,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18234 states to 18234 states and 25699 transitions. [2021-11-17 01:04:11,797 INFO L78 Accepts]: Start accepts. Automaton has 18234 states and 25699 transitions. Word has length 787 [2021-11-17 01:04:11,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:04:11,798 INFO L470 AbstractCegarLoop]: Abstraction has 18234 states and 25699 transitions. [2021-11-17 01:04:11,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 4 states have internal predecessors, (284), 2 states have call successors, (85), 9 states have call predecessors, (85), 2 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) [2021-11-17 01:04:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 18234 states and 25699 transitions. [2021-11-17 01:04:11,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2021-11-17 01:04:11,835 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:04:11,836 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:04:11,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 01:04:11,836 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:04:11,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:04:11,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1740725805, now seen corresponding path program 1 times [2021-11-17 01:04:11,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:04:11,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563599735] [2021-11-17 01:04:11,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:04:11,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:04:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:04:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:04:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:04:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:04:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:04:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:04:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:04:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:04:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:04:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:04:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:04:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:04:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:04:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:04:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:04:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:04:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:04:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:04:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:04:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:04:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:04:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-17 01:04:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:04:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 01:04:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 01:04:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:04:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 01:04:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 01:04:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:04:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 01:04:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:04:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 01:04:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 01:04:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 01:04:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 01:04:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 01:04:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-17 01:04:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-17 01:04:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 01:04:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 01:04:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 01:04:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 01:04:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 01:04:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 01:04:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 01:04:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:04:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 01:04:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 01:04:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 01:04:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 01:04:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 01:04:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 01:04:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:04:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 01:04:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 01:04:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 01:04:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 01:04:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 01:04:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-17 01:04:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 01:04:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:04:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 01:04:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 01:04:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:04:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 01:04:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 01:04:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-11-17 01:04:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 01:04:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 01:04:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:04:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-11-17 01:04:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2021-11-17 01:04:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 01:04:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-11-17 01:04:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-11-17 01:04:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2021-11-17 01:04:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2021-11-17 01:04:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 01:04:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:04:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2021-11-17 01:04:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:04:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2058 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2049 trivial. 0 not checked. [2021-11-17 01:04:13,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:04:13,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563599735] [2021-11-17 01:04:13,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563599735] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:04:13,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:04:13,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-17 01:04:13,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621701617] [2021-11-17 01:04:13,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:04:13,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-17 01:04:13,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:04:13,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-17 01:04:13,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-17 01:04:13,460 INFO L87 Difference]: Start difference. First operand 18234 states and 25699 transitions. Second operand has 12 states, 12 states have (on average 23.5) internal successors, (282), 4 states have internal predecessors, (282), 2 states have call successors, (87), 9 states have call predecessors, (87), 3 states have return successors, (86), 3 states have call predecessors, (86), 2 states have call successors, (86) [2021-11-17 01:04:15,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:17,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:19,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:21,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:24,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:26,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:27,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:29,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:33,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:49,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:52,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:53,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:54,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:56,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:04:58,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:00,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:02,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:05:02,180 INFO L93 Difference]: Finished difference Result 38823 states and 56954 transitions. [2021-11-17 01:05:02,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 01:05:02,181 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 23.5) internal successors, (282), 4 states have internal predecessors, (282), 2 states have call successors, (87), 9 states have call predecessors, (87), 3 states have return successors, (86), 3 states have call predecessors, (86), 2 states have call successors, (86) Word has length 815 [2021-11-17 01:05:02,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:05:02,268 INFO L225 Difference]: With dead ends: 38823 [2021-11-17 01:05:02,268 INFO L226 Difference]: Without dead ends: 20613 [2021-11-17 01:05:02,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2021-11-17 01:05:02,329 INFO L933 BasicCegarLoop]: 3596 mSDtfsCounter, 1585 mSDsluCounter, 15108 mSDsCounter, 0 mSdLazyCounter, 8126 mSolverCounterSat, 1718 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 18704 SdHoareTripleChecker+Invalid, 9854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1718 IncrementalHoareTripleChecker+Valid, 8126 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.8s IncrementalHoareTripleChecker+Time [2021-11-17 01:05:02,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1728 Valid, 18704 Invalid, 9854 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1718 Valid, 8126 Invalid, 10 Unknown, 0 Unchecked, 47.8s Time] [2021-11-17 01:05:02,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20613 states. [2021-11-17 01:05:03,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20613 to 18266. [2021-11-17 01:05:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18266 states, 12836 states have (on average 1.3009504518541601) internal successors, (16699), 12979 states have internal predecessors, (16699), 4417 states have call successors, (4417), 952 states have call predecessors, (4417), 1012 states have return successors, (4639), 4460 states have call predecessors, (4639), 4416 states have call successors, (4639) [2021-11-17 01:05:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18266 states to 18266 states and 25755 transitions. [2021-11-17 01:05:03,281 INFO L78 Accepts]: Start accepts. Automaton has 18266 states and 25755 transitions. Word has length 815 [2021-11-17 01:05:03,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:05:03,282 INFO L470 AbstractCegarLoop]: Abstraction has 18266 states and 25755 transitions. [2021-11-17 01:05:03,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.5) internal successors, (282), 4 states have internal predecessors, (282), 2 states have call successors, (87), 9 states have call predecessors, (87), 3 states have return successors, (86), 3 states have call predecessors, (86), 2 states have call successors, (86) [2021-11-17 01:05:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 18266 states and 25755 transitions. [2021-11-17 01:05:03,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 815 [2021-11-17 01:05:03,320 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:05:03,320 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:05:03,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 01:05:03,321 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:05:03,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:05:03,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1834716153, now seen corresponding path program 1 times [2021-11-17 01:05:03,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:05:03,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257547637] [2021-11-17 01:05:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:05:03,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:05:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:05:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:05:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:05:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:05:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:05:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:05:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:05:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:05:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:05:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:05:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:05:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:05:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:05:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:05:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:05:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:05:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:05:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:05:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:05:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:05:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-17 01:05:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:05:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 01:05:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 01:05:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:05:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:05:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:05:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 01:05:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 01:05:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 01:05:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 01:05:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 01:05:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:05:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 01:05:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 01:05:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 01:05:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 01:05:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 01:05:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 01:05:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 01:05:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 01:05:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 01:05:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 01:05:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 01:05:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 01:05:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 01:05:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 01:05:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 01:05:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 01:05:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 01:05:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 01:05:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 01:05:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 01:05:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 01:05:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 01:05:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 01:05:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 01:05:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 01:05:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-17 01:05:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:05:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 01:05:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-11-17 01:05:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-11-17 01:05:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-11-17 01:05:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 01:05:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-11-17 01:05:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-11-17 01:05:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-11-17 01:05:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-11-17 01:05:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 01:05:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2021-11-17 01:05:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-11-17 01:05:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2021-11-17 01:05:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2021-11-17 01:05:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2058 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 2013 trivial. 0 not checked. [2021-11-17 01:05:04,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:05:04,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257547637] [2021-11-17 01:05:04,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257547637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:05:04,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:05:04,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-17 01:05:04,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741063177] [2021-11-17 01:05:04,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:05:04,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-17 01:05:04,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:05:04,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-17 01:05:04,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-11-17 01:05:04,986 INFO L87 Difference]: Start difference. First operand 18266 states and 25755 transitions. Second operand has 15 states, 15 states have (on average 19.2) internal successors, (288), 7 states have internal predecessors, (288), 2 states have call successors, (86), 8 states have call predecessors, (86), 4 states have return successors, (85), 4 states have call predecessors, (85), 2 states have call successors, (85) [2021-11-17 01:05:07,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:10,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:12,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:31,411 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:33,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:35,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:05:35,410 INFO L93 Difference]: Finished difference Result 39111 states and 57638 transitions. [2021-11-17 01:05:35,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-17 01:05:35,410 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 19.2) internal successors, (288), 7 states have internal predecessors, (288), 2 states have call successors, (86), 8 states have call predecessors, (86), 4 states have return successors, (85), 4 states have call predecessors, (85), 2 states have call successors, (85) Word has length 814 [2021-11-17 01:05:35,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:05:35,519 INFO L225 Difference]: With dead ends: 39111 [2021-11-17 01:05:35,519 INFO L226 Difference]: Without dead ends: 20869 [2021-11-17 01:05:35,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=563, Unknown=0, NotChecked=0, Total=702 [2021-11-17 01:05:35,587 INFO L933 BasicCegarLoop]: 3613 mSDtfsCounter, 1954 mSDsluCounter, 27074 mSDsCounter, 0 mSdLazyCounter, 9778 mSolverCounterSat, 2405 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2083 SdHoareTripleChecker+Valid, 30687 SdHoareTripleChecker+Invalid, 12187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2405 IncrementalHoareTripleChecker+Valid, 9778 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:05:35,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2083 Valid, 30687 Invalid, 12187 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2405 Valid, 9778 Invalid, 4 Unknown, 0 Unchecked, 29.0s Time] [2021-11-17 01:05:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20869 states. [2021-11-17 01:05:36,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20869 to 18562. [2021-11-17 01:05:36,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18562 states, 13072 states have (on average 1.2998011015911872) internal successors, (16991), 13231 states have internal predecessors, (16991), 4425 states have call successors, (4425), 952 states have call predecessors, (4425), 1064 states have return successors, (4806), 4504 states have call predecessors, (4806), 4424 states have call successors, (4806) [2021-11-17 01:05:36,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18562 states to 18562 states and 26222 transitions. [2021-11-17 01:05:36,607 INFO L78 Accepts]: Start accepts. Automaton has 18562 states and 26222 transitions. Word has length 814 [2021-11-17 01:05:36,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:05:36,610 INFO L470 AbstractCegarLoop]: Abstraction has 18562 states and 26222 transitions. [2021-11-17 01:05:36,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 19.2) internal successors, (288), 7 states have internal predecessors, (288), 2 states have call successors, (86), 8 states have call predecessors, (86), 4 states have return successors, (85), 4 states have call predecessors, (85), 2 states have call successors, (85) [2021-11-17 01:05:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 18562 states and 26222 transitions. [2021-11-17 01:05:36,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2021-11-17 01:05:36,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:05:36,643 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 16, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:05:36,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 01:05:36,644 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:05:36,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:05:36,644 INFO L85 PathProgramCache]: Analyzing trace with hash 482763761, now seen corresponding path program 1 times [2021-11-17 01:05:36,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:05:36,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128146073] [2021-11-17 01:05:36,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:05:36,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:05:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:05:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:05:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:05:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:05:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:05:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:05:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:05:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:05:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:05:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:05:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:05:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:05:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:05:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:05:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:05:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:05:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:05:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:05:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:05:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:05:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-17 01:05:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:05:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 01:05:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 01:05:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:05:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:05:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:05:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 01:05:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 01:05:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 01:05:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 01:05:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 01:05:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:05:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 01:05:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 01:05:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 01:05:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 01:05:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 01:05:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 01:05:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 01:05:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 01:05:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 01:05:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 01:05:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 01:05:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 01:05:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 01:05:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 01:05:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 01:05:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 01:05:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 01:05:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 01:05:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 01:05:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 01:05:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 01:05:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 01:05:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 01:05:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 01:05:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 01:05:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-17 01:05:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:05:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 01:05:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-11-17 01:05:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 01:05:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-11-17 01:05:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-11-17 01:05:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 01:05:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:05:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-11-17 01:05:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-11-17 01:05:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-11-17 01:05:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-11-17 01:05:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-11-17 01:05:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2021-11-17 01:05:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 01:05:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2021-11-17 01:05:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:05:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-11-17 01:05:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:05:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2021-11-17 01:05:38,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:05:38,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128146073] [2021-11-17 01:05:38,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128146073] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:05:38,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:05:38,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 01:05:38,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079131141] [2021-11-17 01:05:38,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:05:38,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 01:05:38,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:05:38,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 01:05:38,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:05:38,171 INFO L87 Difference]: Start difference. First operand 18562 states and 26222 transitions. Second operand has 11 states, 11 states have (on average 26.272727272727273) internal successors, (289), 4 states have internal predecessors, (289), 2 states have call successors, (87), 8 states have call predecessors, (87), 3 states have return successors, (86), 3 states have call predecessors, (86), 2 states have call successors, (86) [2021-11-17 01:05:40,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:42,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:45,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:05:47,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:06:06,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:06:08,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:06:09,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:06:09,975 INFO L93 Difference]: Finished difference Result 38943 states and 57190 transitions. [2021-11-17 01:06:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 01:06:09,975 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 26.272727272727273) internal successors, (289), 4 states have internal predecessors, (289), 2 states have call successors, (87), 8 states have call predecessors, (87), 3 states have return successors, (86), 3 states have call predecessors, (86), 2 states have call successors, (86) Word has length 820 [2021-11-17 01:06:09,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:06:10,085 INFO L225 Difference]: With dead ends: 38943 [2021-11-17 01:06:10,085 INFO L226 Difference]: Without dead ends: 20405 [2021-11-17 01:06:10,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-17 01:06:10,150 INFO L933 BasicCegarLoop]: 3606 mSDtfsCounter, 1389 mSDsluCounter, 14396 mSDsCounter, 0 mSdLazyCounter, 6035 mSolverCounterSat, 1653 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 18002 SdHoareTripleChecker+Invalid, 7694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1653 IncrementalHoareTripleChecker+Valid, 6035 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:06:10,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1517 Valid, 18002 Invalid, 7694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1653 Valid, 6035 Invalid, 6 Unknown, 0 Unchecked, 30.9s Time] [2021-11-17 01:06:10,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20405 states. [2021-11-17 01:06:11,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20405 to 18410. [2021-11-17 01:06:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18410 states, 12936 states have (on average 1.2995516388373531) internal successors, (16811), 13095 states have internal predecessors, (16811), 4429 states have call successors, (4429), 952 states have call predecessors, (4429), 1044 states have return successors, (4800), 4488 states have call predecessors, (4800), 4428 states have call successors, (4800) [2021-11-17 01:06:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18410 states to 18410 states and 26040 transitions. [2021-11-17 01:06:11,104 INFO L78 Accepts]: Start accepts. Automaton has 18410 states and 26040 transitions. Word has length 820 [2021-11-17 01:06:11,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:06:11,105 INFO L470 AbstractCegarLoop]: Abstraction has 18410 states and 26040 transitions. [2021-11-17 01:06:11,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 26.272727272727273) internal successors, (289), 4 states have internal predecessors, (289), 2 states have call successors, (87), 8 states have call predecessors, (87), 3 states have return successors, (86), 3 states have call predecessors, (86), 2 states have call successors, (86) [2021-11-17 01:06:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 18410 states and 26040 transitions. [2021-11-17 01:06:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836 [2021-11-17 01:06:11,135 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:06:11,136 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 15, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:06:11,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 01:06:11,136 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:06:11,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:06:11,136 INFO L85 PathProgramCache]: Analyzing trace with hash 63285833, now seen corresponding path program 1 times [2021-11-17 01:06:11,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:06:11,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604174923] [2021-11-17 01:06:11,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:11,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:06:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:06:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:06:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:06:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:06:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:06:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:06:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:06:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:06:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:06:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:06:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:06:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:06:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:06:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:06:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:06:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:06:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:06:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:06:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:06:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:06:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-17 01:06:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:06:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 01:06:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 01:06:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:06:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:06:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:06:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 01:06:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 01:06:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 01:06:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 01:06:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 01:06:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:06:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 01:06:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 01:06:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 01:06:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 01:06:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 01:06:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 01:06:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 01:06:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 01:06:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 01:06:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 01:06:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 01:06:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 01:06:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 01:06:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 01:06:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 01:06:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 01:06:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 01:06:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 01:06:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 01:06:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 01:06:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 01:06:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 01:06:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 01:06:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 01:06:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 01:06:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-17 01:06:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:06:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 01:06:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-11-17 01:06:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 01:06:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-11-17 01:06:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-11-17 01:06:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-11-17 01:06:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-11-17 01:06:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 01:06:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2021-11-17 01:06:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2021-11-17 01:06:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2021-11-17 01:06:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-11-17 01:06:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2021-11-17 01:06:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2021-11-17 01:06:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2086 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 2038 trivial. 0 not checked. [2021-11-17 01:06:12,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:06:12,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604174923] [2021-11-17 01:06:12,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604174923] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:06:12,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014850407] [2021-11-17 01:06:12,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:12,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:06:12,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:06:12,848 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) [2021-11-17 01:06:12,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 01:06:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:14,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 8560 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 01:06:14,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:06:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2086 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1969 trivial. 0 not checked. [2021-11-17 01:06:15,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:06:15,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014850407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:06:15,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:06:15,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2021-11-17 01:06:15,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525328152] [2021-11-17 01:06:15,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:06:15,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:06:15,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:06:15,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:06:15,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2021-11-17 01:06:15,616 INFO L87 Difference]: Start difference. First operand 18410 states and 26040 transitions. Second operand has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 2 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2021-11-17 01:06:16,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:06:17,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:06:17,533 INFO L93 Difference]: Finished difference Result 36884 states and 52240 transitions. [2021-11-17 01:06:17,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 01:06:17,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 2 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) Word has length 835 [2021-11-17 01:06:17,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:06:17,599 INFO L225 Difference]: With dead ends: 36884 [2021-11-17 01:06:17,599 INFO L226 Difference]: Without dead ends: 18498 [2021-11-17 01:06:17,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1073 GetRequests, 1051 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2021-11-17 01:06:17,655 INFO L933 BasicCegarLoop]: 3857 mSDtfsCounter, 14 mSDsluCounter, 11548 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 15405 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:06:17,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 15405 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-17 01:06:17,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18498 states. [2021-11-17 01:06:18,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18498 to 18434. [2021-11-17 01:06:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18434 states, 12960 states have (on average 1.2989969135802468) internal successors, (16835), 13119 states have internal predecessors, (16835), 4429 states have call successors, (4429), 952 states have call predecessors, (4429), 1044 states have return successors, (4800), 4488 states have call predecessors, (4800), 4428 states have call successors, (4800) [2021-11-17 01:06:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18434 states to 18434 states and 26064 transitions. [2021-11-17 01:06:18,355 INFO L78 Accepts]: Start accepts. Automaton has 18434 states and 26064 transitions. Word has length 835 [2021-11-17 01:06:18,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:06:18,375 INFO L470 AbstractCegarLoop]: Abstraction has 18434 states and 26064 transitions. [2021-11-17 01:06:18,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.8) internal successors, (294), 5 states have internal predecessors, (294), 2 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (88), 2 states have call predecessors, (88), 2 states have call successors, (88) [2021-11-17 01:06:18,376 INFO L276 IsEmpty]: Start isEmpty. Operand 18434 states and 26064 transitions. [2021-11-17 01:06:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2021-11-17 01:06:18,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:06:18,414 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 15, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:06:18,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 01:06:18,636 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,SelfDestructingSolverStorable11 [2021-11-17 01:06:18,637 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:06:18,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:06:18,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2009702872, now seen corresponding path program 1 times [2021-11-17 01:06:18,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:06:18,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645718718] [2021-11-17 01:06:18,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:18,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:06:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:06:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:06:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:06:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:06:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:06:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:06:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:06:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:06:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:06:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:06:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:06:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:06:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:06:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:06:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:06:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:06:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:06:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:06:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 01:06:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:06:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:06:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:06:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:06:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:06:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:06:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:06:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:06:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:06:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:06:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:06:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:06:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:06:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 01:06:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 01:06:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:06:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 01:06:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 01:06:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 01:06:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 01:06:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 01:06:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 01:06:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 01:06:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 01:06:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 01:06:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 01:06:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 01:06:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 01:06:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-11-17 01:06:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 01:06:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 01:06:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 01:06:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 01:06:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 01:06:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 01:06:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 01:06:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 01:06:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 01:06:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 01:06:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 01:06:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 01:06:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 01:06:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 01:06:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-11-17 01:06:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:19,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:06:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-11-17 01:06:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-11-17 01:06:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-11-17 01:06:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-11-17 01:06:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-11-17 01:06:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-11-17 01:06:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2021-11-17 01:06:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2021-11-17 01:06:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2021-11-17 01:06:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2021-11-17 01:06:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2021-11-17 01:06:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2021-11-17 01:06:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2021-11-17 01:06:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2021-11-17 01:06:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 2047 trivial. 0 not checked. [2021-11-17 01:06:20,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:06:20,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645718718] [2021-11-17 01:06:20,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645718718] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:06:20,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759170169] [2021-11-17 01:06:20,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:20,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:06:20,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:06:20,155 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) [2021-11-17 01:06:20,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 01:06:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:21,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 8743 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 01:06:21,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:06:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 309 proven. 0 refuted. 0 times theorem prover too weak. 1786 trivial. 0 not checked. [2021-11-17 01:06:23,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:06:23,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759170169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:06:23,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:06:23,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [19] total 21 [2021-11-17 01:06:23,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462653670] [2021-11-17 01:06:23,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:06:23,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:06:23,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:06:23,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:06:23,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-17 01:06:23,159 INFO L87 Difference]: Start difference. First operand 18434 states and 26064 transitions. Second operand has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 3 states have call successors, (93), 3 states have call predecessors, (93), 2 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2021-11-17 01:06:25,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:06:28,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:06:28,470 INFO L93 Difference]: Finished difference Result 55245 states and 78102 transitions. [2021-11-17 01:06:28,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:06:28,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 3 states have call successors, (93), 3 states have call predecessors, (93), 2 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) Word has length 859 [2021-11-17 01:06:28,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:06:28,697 INFO L225 Difference]: With dead ends: 55245 [2021-11-17 01:06:28,698 INFO L226 Difference]: Without dead ends: 55236 [2021-11-17 01:06:28,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1103 GetRequests, 1084 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-17 01:06:28,741 INFO L933 BasicCegarLoop]: 6341 mSDtfsCounter, 8715 mSDsluCounter, 6279 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 1049 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8715 SdHoareTripleChecker+Valid, 12620 SdHoareTripleChecker+Invalid, 2455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1049 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:06:28,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8715 Valid, 12620 Invalid, 2455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1049 Valid, 1405 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2021-11-17 01:06:28,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55236 states. [2021-11-17 01:06:30,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55236 to 55208. [2021-11-17 01:06:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55208 states, 38810 states have (on average 1.2994589023447565) internal successors, (50432), 39299 states have internal predecessors, (50432), 13265 states have call successors, (13265), 2854 states have call predecessors, (13265), 3132 states have return successors, (14366), 13432 states have call predecessors, (14366), 13264 states have call successors, (14366) [2021-11-17 01:06:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55208 states to 55208 states and 78063 transitions. [2021-11-17 01:06:31,002 INFO L78 Accepts]: Start accepts. Automaton has 55208 states and 78063 transitions. Word has length 859 [2021-11-17 01:06:31,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:06:31,003 INFO L470 AbstractCegarLoop]: Abstraction has 55208 states and 78063 transitions. [2021-11-17 01:06:31,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 3 states have call successors, (93), 3 states have call predecessors, (93), 2 states have return successors, (92), 2 states have call predecessors, (92), 2 states have call successors, (92) [2021-11-17 01:06:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 55208 states and 78063 transitions. [2021-11-17 01:06:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2021-11-17 01:06:31,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:06:31,084 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 15, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:06:31,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 01:06:31,288 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,SelfDestructingSolverStorable12 [2021-11-17 01:06:31,289 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:06:31,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:06:31,289 INFO L85 PathProgramCache]: Analyzing trace with hash 421354970, now seen corresponding path program 1 times [2021-11-17 01:06:31,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:06:31,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451958090] [2021-11-17 01:06:31,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:31,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:06:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:06:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:06:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:06:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:06:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:06:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:06:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:06:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:06:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:06:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:06:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:06:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:06:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:06:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:06:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:06:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:06:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:06:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:06:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 01:06:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:06:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:06:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:06:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:06:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:06:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:06:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:06:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:06:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:06:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:06:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:06:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:06:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:06:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 01:06:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 01:06:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:06:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 01:06:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 01:06:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 01:06:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 01:06:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 01:06:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 01:06:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 01:06:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 01:06:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 01:06:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 01:06:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 01:06:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 01:06:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-11-17 01:06:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 01:06:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 01:06:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 01:06:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 01:06:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 01:06:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 01:06:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 01:06:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 01:06:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 01:06:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 01:06:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 01:06:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 01:06:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 01:06:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 01:06:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-11-17 01:06:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:06:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-11-17 01:06:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-11-17 01:06:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-11-17 01:06:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-11-17 01:06:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:32,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-11-17 01:06:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-11-17 01:06:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2021-11-17 01:06:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2021-11-17 01:06:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2021-11-17 01:06:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2021-11-17 01:06:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2021-11-17 01:06:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2021-11-17 01:06:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2021-11-17 01:06:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2021-11-17 01:06:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 2047 trivial. 0 not checked. [2021-11-17 01:06:33,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:06:33,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451958090] [2021-11-17 01:06:33,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451958090] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:06:33,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654149198] [2021-11-17 01:06:33,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:33,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:06:33,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:06:33,122 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) [2021-11-17 01:06:33,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 01:06:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:34,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 8738 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-17 01:06:34,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:06:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2021-11-17 01:06:35,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:06:35,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654149198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:06:35,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:06:35,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2021-11-17 01:06:35,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407383296] [2021-11-17 01:06:35,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:06:35,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:06:35,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:06:35,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:06:35,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2021-11-17 01:06:35,971 INFO L87 Difference]: Start difference. First operand 55208 states and 78063 transitions. Second operand has 5 states, 5 states have (on average 65.4) internal successors, (327), 5 states have internal predecessors, (327), 2 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2021-11-17 01:06:38,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:06:38,479 INFO L93 Difference]: Finished difference Result 114292 states and 162373 transitions. [2021-11-17 01:06:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 01:06:38,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 65.4) internal successors, (327), 5 states have internal predecessors, (327), 2 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) Word has length 859 [2021-11-17 01:06:38,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:06:38,714 INFO L225 Difference]: With dead ends: 114292 [2021-11-17 01:06:38,715 INFO L226 Difference]: Without dead ends: 59108 [2021-11-17 01:06:39,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1105 GetRequests, 1083 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2021-11-17 01:06:39,037 INFO L933 BasicCegarLoop]: 3996 mSDtfsCounter, 76 mSDsluCounter, 11841 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 15837 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-17 01:06:39,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 15837 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-17 01:06:39,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59108 states. [2021-11-17 01:06:41,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59108 to 55304. [2021-11-17 01:06:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55304 states, 38882 states have (on average 1.2989043773468443) internal successors, (50504), 39371 states have internal predecessors, (50504), 13289 states have call successors, (13289), 2854 states have call predecessors, (13289), 3132 states have return successors, (14390), 13456 states have call predecessors, (14390), 13288 states have call successors, (14390) [2021-11-17 01:06:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55304 states to 55304 states and 78183 transitions. [2021-11-17 01:06:41,374 INFO L78 Accepts]: Start accepts. Automaton has 55304 states and 78183 transitions. Word has length 859 [2021-11-17 01:06:41,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:06:41,375 INFO L470 AbstractCegarLoop]: Abstraction has 55304 states and 78183 transitions. [2021-11-17 01:06:41,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 65.4) internal successors, (327), 5 states have internal predecessors, (327), 2 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (94), 2 states have call predecessors, (94), 2 states have call successors, (94) [2021-11-17 01:06:41,376 INFO L276 IsEmpty]: Start isEmpty. Operand 55304 states and 78183 transitions. [2021-11-17 01:06:41,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2021-11-17 01:06:41,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:06:41,482 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:06:41,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 01:06:41,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:06:41,700 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:06:41,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:06:41,700 INFO L85 PathProgramCache]: Analyzing trace with hash 606001362, now seen corresponding path program 1 times [2021-11-17 01:06:41,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:06:41,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432906950] [2021-11-17 01:06:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:41,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:06:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:06:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:06:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:06:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:06:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:06:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:06:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:06:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:06:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:06:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:06:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:06:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:06:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:06:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:06:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:06:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:06:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:06:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:06:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 01:06:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:06:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:06:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:06:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:06:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:06:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:06:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:06:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:06:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:06:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:06:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:06:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:06:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:06:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 01:06:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:06:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:06:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 01:06:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:06:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-17 01:06:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 01:06:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 01:06:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 01:06:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 01:06:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 01:06:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 01:06:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 01:06:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 01:06:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 01:06:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 01:06:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 01:06:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 01:06:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 01:06:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:42,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 01:06:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 01:06:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 01:06:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 01:06:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 01:06:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 01:06:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 01:06:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 01:06:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 01:06:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 01:06:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 01:06:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 01:06:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 01:06:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-11-17 01:06:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-17 01:06:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 01:06:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-11-17 01:06:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 01:06:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-11-17 01:06:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:06:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-11-17 01:06:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-11-17 01:06:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2021-11-17 01:06:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-11-17 01:06:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2021-11-17 01:06:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2021-11-17 01:06:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2021-11-17 01:06:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2021-11-17 01:06:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2021-11-17 01:06:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2021-11-17 01:06:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2021-11-17 01:06:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2021-11-17 01:06:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2021-11-17 01:06:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2021-11-17 01:06:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 2106 trivial. 0 not checked. [2021-11-17 01:06:43,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:06:43,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432906950] [2021-11-17 01:06:43,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432906950] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:06:43,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747799409] [2021-11-17 01:06:43,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:43,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:06:43,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:06:43,712 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) [2021-11-17 01:06:43,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 01:06:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:45,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 9018 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 01:06:45,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:06:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked. [2021-11-17 01:06:46,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:06:46,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747799409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:06:46,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:06:46,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [19] total 22 [2021-11-17 01:06:46,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588620799] [2021-11-17 01:06:46,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:06:46,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 01:06:46,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:06:46,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 01:06:46,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2021-11-17 01:06:46,629 INFO L87 Difference]: Start difference. First operand 55304 states and 78183 transitions. Second operand has 5 states, 5 states have (on average 71.4) internal successors, (357), 4 states have internal predecessors, (357), 2 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (101), 3 states have call predecessors, (101), 2 states have call successors, (101) [2021-11-17 01:06:48,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:06:48,467 INFO L93 Difference]: Finished difference Result 111016 states and 157558 transitions. [2021-11-17 01:06:48,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 01:06:48,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 71.4) internal successors, (357), 4 states have internal predecessors, (357), 2 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (101), 3 states have call predecessors, (101), 2 states have call successors, (101) Word has length 912 [2021-11-17 01:06:48,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:06:48,807 INFO L225 Difference]: With dead ends: 111016 [2021-11-17 01:06:48,808 INFO L226 Difference]: Without dead ends: 55736 [2021-11-17 01:06:48,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1170 GetRequests, 1150 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2021-11-17 01:06:48,973 INFO L933 BasicCegarLoop]: 3873 mSDtfsCounter, 8 mSDsluCounter, 11595 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15468 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:06:48,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 15468 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:06:49,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55736 states. [2021-11-17 01:06:51,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55736 to 55400. [2021-11-17 01:06:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55400 states, 38954 states have (on average 1.298351902243672) internal successors, (50576), 39443 states have internal predecessors, (50576), 13289 states have call successors, (13289), 2854 states have call predecessors, (13289), 3156 states have return successors, (14792), 13480 states have call predecessors, (14792), 13288 states have call successors, (14792) [2021-11-17 01:06:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55400 states to 55400 states and 78657 transitions. [2021-11-17 01:06:51,271 INFO L78 Accepts]: Start accepts. Automaton has 55400 states and 78657 transitions. Word has length 912 [2021-11-17 01:06:51,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:06:51,272 INFO L470 AbstractCegarLoop]: Abstraction has 55400 states and 78657 transitions. [2021-11-17 01:06:51,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.4) internal successors, (357), 4 states have internal predecessors, (357), 2 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (101), 3 states have call predecessors, (101), 2 states have call successors, (101) [2021-11-17 01:06:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand 55400 states and 78657 transitions. [2021-11-17 01:06:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2021-11-17 01:06:51,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:06:51,376 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:06:51,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 01:06:51,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-17 01:06:51,591 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:06:51,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:06:51,592 INFO L85 PathProgramCache]: Analyzing trace with hash -549069307, now seen corresponding path program 1 times [2021-11-17 01:06:51,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:06:51,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756916678] [2021-11-17 01:06:51,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:51,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:06:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:06:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:06:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:06:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:06:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:06:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:06:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:06:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:06:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:06:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:06:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:06:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:06:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:06:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:06:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:06:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:06:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:06:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:06:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 01:06:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:06:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:06:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:06:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:06:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:06:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:06:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:06:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:06:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:06:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:06:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:06:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:06:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:06:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 01:06:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:06:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:06:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 01:06:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:06:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-17 01:06:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 01:06:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 01:06:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 01:06:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 01:06:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 01:06:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 01:06:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 01:06:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-17 01:06:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 01:06:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 01:06:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 01:06:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 01:06:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 01:06:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 01:06:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 01:06:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 01:06:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 01:06:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 01:06:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 01:06:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 01:06:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 01:06:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 01:06:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 01:06:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 01:06:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 01:06:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-11-17 01:06:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 01:06:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 01:06:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-17 01:06:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 01:06:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 01:06:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 01:06:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:06:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:06:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2021-11-17 01:06:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2021-11-17 01:06:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2021-11-17 01:06:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2021-11-17 01:06:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2021-11-17 01:06:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:06:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2021-11-17 01:06:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2021-11-17 01:06:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2021-11-17 01:06:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2021-11-17 01:06:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2021-11-17 01:06:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2021-11-17 01:06:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2021-11-17 01:06:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 740 [2021-11-17 01:06:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:06:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 752 [2021-11-17 01:06:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 2106 trivial. 0 not checked. [2021-11-17 01:06:53,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:06:53,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756916678] [2021-11-17 01:06:53,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756916678] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:06:53,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722525563] [2021-11-17 01:06:53,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:06:53,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:06:53,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:06:53,721 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) [2021-11-17 01:06:53,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 01:06:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:06:55,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 9025 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-17 01:06:55,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:06:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked. [2021-11-17 01:06:56,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:06:56,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722525563] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:06:56,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:06:56,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [19] total 23 [2021-11-17 01:06:56,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270697144] [2021-11-17 01:06:56,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:06:56,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:06:56,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:06:56,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:06:56,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2021-11-17 01:06:56,625 INFO L87 Difference]: Start difference. First operand 55400 states and 78657 transitions. Second operand has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (101), 3 states have call predecessors, (101), 2 states have call successors, (101) [2021-11-17 01:06:58,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:06:58,406 INFO L93 Difference]: Finished difference Result 111148 states and 158578 transitions. [2021-11-17 01:06:58,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 01:06:58,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (101), 3 states have call predecessors, (101), 2 states have call successors, (101) Word has length 913 [2021-11-17 01:06:58,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:06:58,629 INFO L225 Difference]: With dead ends: 111148 [2021-11-17 01:06:58,629 INFO L226 Difference]: Without dead ends: 55772 [2021-11-17 01:06:58,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1172 GetRequests, 1150 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2021-11-17 01:06:58,789 INFO L933 BasicCegarLoop]: 3865 mSDtfsCounter, 10 mSDsluCounter, 15439 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 19304 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:06:58,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 19304 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 01:06:58,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55772 states. [2021-11-17 01:07:00,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55772 to 55520. [2021-11-17 01:07:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55520 states, 39050 states have (on average 1.297618437900128) internal successors, (50672), 39539 states have internal predecessors, (50672), 13289 states have call successors, (13289), 2854 states have call predecessors, (13289), 3180 states have return successors, (15338), 13504 states have call predecessors, (15338), 13288 states have call successors, (15338) [2021-11-17 01:07:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55520 states to 55520 states and 79299 transitions. [2021-11-17 01:07:01,194 INFO L78 Accepts]: Start accepts. Automaton has 55520 states and 79299 transitions. Word has length 913 [2021-11-17 01:07:01,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:07:01,195 INFO L470 AbstractCegarLoop]: Abstraction has 55520 states and 79299 transitions. [2021-11-17 01:07:01,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 5 states have internal predecessors, (358), 2 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (101), 3 states have call predecessors, (101), 2 states have call successors, (101) [2021-11-17 01:07:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 55520 states and 79299 transitions. [2021-11-17 01:07:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2021-11-17 01:07:01,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:07:01,286 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:07:01,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 01:07:01,503 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,SelfDestructingSolverStorable15 [2021-11-17 01:07:01,504 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:07:01,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:07:01,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1085418234, now seen corresponding path program 1 times [2021-11-17 01:07:01,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:07:01,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285767525] [2021-11-17 01:07:01,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:07:01,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:07:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:07:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:07:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:07:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:07:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:07:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:07:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:07:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:07:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:07:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:07:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:07:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:07:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:07:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:07:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:07:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:07:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:01,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:07:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:07:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 01:07:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:07:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:07:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:07:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:07:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:07:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:07:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:07:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:07:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:07:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:07:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:07:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:07:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:07:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 01:07:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:07:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:07:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 01:07:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:07:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 01:07:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 01:07:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 01:07:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 01:07:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 01:07:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 01:07:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 01:07:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 01:07:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 01:07:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 01:07:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-17 01:07:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 01:07:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 01:07:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 01:07:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 01:07:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 01:07:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 01:07:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 01:07:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 01:07:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 01:07:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 01:07:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 01:07:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 01:07:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 01:07:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 01:07:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 01:07:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-11-17 01:07:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-11-17 01:07:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-11-17 01:07:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-11-17 01:07:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 01:07:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 01:07:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-11-17 01:07:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:07:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:07:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:07:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2021-11-17 01:07:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 01:07:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2021-11-17 01:07:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-11-17 01:07:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2021-11-17 01:07:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2021-11-17 01:07:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-11-17 01:07:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2021-11-17 01:07:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2021-11-17 01:07:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2021-11-17 01:07:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 721 [2021-11-17 01:07:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2021-11-17 01:07:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2021-11-17 01:07:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 756 [2021-11-17 01:07:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 2106 trivial. 0 not checked. [2021-11-17 01:07:03,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:07:03,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285767525] [2021-11-17 01:07:03,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285767525] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:07:03,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967675618] [2021-11-17 01:07:03,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:07:03,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:07:03,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:07:03,131 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) [2021-11-17 01:07:03,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-17 01:07:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:04,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 9049 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-17 01:07:04,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:07:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2154 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked. [2021-11-17 01:07:06,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:07:06,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967675618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:07:06,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:07:06,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 25 [2021-11-17 01:07:06,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834414190] [2021-11-17 01:07:06,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:07:06,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:07:06,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:07:06,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:07:06,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-11-17 01:07:06,139 INFO L87 Difference]: Start difference. First operand 55520 states and 79299 transitions. Second operand has 8 states, 8 states have (on average 43.375) internal successors, (347), 7 states have internal predecessors, (347), 3 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (101), 4 states have call predecessors, (101), 3 states have call successors, (101) [2021-11-17 01:07:08,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:07:08,740 INFO L93 Difference]: Finished difference Result 115000 states and 164983 transitions. [2021-11-17 01:07:08,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 01:07:08,741 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 43.375) internal successors, (347), 7 states have internal predecessors, (347), 3 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (101), 4 states have call predecessors, (101), 3 states have call successors, (101) Word has length 917 [2021-11-17 01:07:08,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:07:09,169 INFO L225 Difference]: With dead ends: 115000 [2021-11-17 01:07:09,169 INFO L226 Difference]: Without dead ends: 59504 [2021-11-17 01:07:09,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1178 GetRequests, 1152 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2021-11-17 01:07:09,322 INFO L933 BasicCegarLoop]: 3996 mSDtfsCounter, 76 mSDsluCounter, 23822 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 27818 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:07:09,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 27818 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-17 01:07:09,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59504 states. [2021-11-17 01:07:11,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59504 to 55664. [2021-11-17 01:07:11,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55664 states, 39170 states have (on average 1.2967066632627011) internal successors, (50792), 39635 states have internal predecessors, (50792), 13313 states have call successors, (13313), 2854 states have call predecessors, (13313), 3180 states have return successors, (15362), 13552 states have call predecessors, (15362), 13312 states have call successors, (15362) [2021-11-17 01:07:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55664 states to 55664 states and 79467 transitions. [2021-11-17 01:07:11,852 INFO L78 Accepts]: Start accepts. Automaton has 55664 states and 79467 transitions. Word has length 917 [2021-11-17 01:07:11,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:07:11,853 INFO L470 AbstractCegarLoop]: Abstraction has 55664 states and 79467 transitions. [2021-11-17 01:07:11,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 43.375) internal successors, (347), 7 states have internal predecessors, (347), 3 states have call successors, (102), 2 states have call predecessors, (102), 3 states have return successors, (101), 4 states have call predecessors, (101), 3 states have call successors, (101) [2021-11-17 01:07:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 55664 states and 79467 transitions. [2021-11-17 01:07:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925 [2021-11-17 01:07:11,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:07:11,935 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:07:11,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-17 01:07:12,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-17 01:07:12,136 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:07:12,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:07:12,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1187898717, now seen corresponding path program 1 times [2021-11-17 01:07:12,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:07:12,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959717507] [2021-11-17 01:07:12,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:07:12,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:07:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:07:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:07:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:07:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:07:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:07:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:07:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:07:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:07:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:07:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:07:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:07:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:07:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:07:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:07:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:07:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:07:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:07:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:07:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 01:07:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:07:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:07:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:07:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:07:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:07:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:07:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:07:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:07:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:07:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:07:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:07:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:07:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:07:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 01:07:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:07:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:07:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 01:07:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:07:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 01:07:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 01:07:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 01:07:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 01:07:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 01:07:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 01:07:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 01:07:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 01:07:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 01:07:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 01:07:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 01:07:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-11-17 01:07:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 01:07:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 01:07:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 01:07:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:12,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 01:07:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 01:07:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 01:07:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 01:07:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 01:07:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 01:07:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 01:07:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 01:07:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 01:07:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 01:07:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-11-17 01:07:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 01:07:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-11-17 01:07:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-17 01:07:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 01:07:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-11-17 01:07:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-11-17 01:07:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 01:07:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:07:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:07:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:07:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2021-11-17 01:07:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2021-11-17 01:07:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 01:07:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2021-11-17 01:07:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2021-11-17 01:07:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 01:07:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 01:07:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2021-11-17 01:07:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2021-11-17 01:07:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2021-11-17 01:07:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2021-11-17 01:07:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 740 [2021-11-17 01:07:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2021-11-17 01:07:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 763 [2021-11-17 01:07:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2158 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2149 trivial. 0 not checked. [2021-11-17 01:07:13,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:07:13,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959717507] [2021-11-17 01:07:13,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959717507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:07:13,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:07:13,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 01:07:13,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311127575] [2021-11-17 01:07:13,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:07:13,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 01:07:13,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:07:13,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 01:07:13,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:07:13,494 INFO L87 Difference]: Start difference. First operand 55664 states and 79467 transitions. Second operand has 10 states, 10 states have (on average 32.4) internal successors, (324), 4 states have internal predecessors, (324), 2 states have call successors, (100), 8 states have call predecessors, (100), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2021-11-17 01:07:16,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:07:18,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:07:20,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:07:22,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:07:40,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:07:43,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:07:45,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:07:48,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:07:48,869 INFO L93 Difference]: Finished difference Result 117577 states and 173524 transitions. [2021-11-17 01:07:48,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 01:07:48,870 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 32.4) internal successors, (324), 4 states have internal predecessors, (324), 2 states have call successors, (100), 8 states have call predecessors, (100), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) Word has length 924 [2021-11-17 01:07:48,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:07:49,187 INFO L225 Difference]: With dead ends: 117577 [2021-11-17 01:07:49,187 INFO L226 Difference]: Without dead ends: 61937 [2021-11-17 01:07:49,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:07:49,360 INFO L933 BasicCegarLoop]: 3630 mSDtfsCounter, 2405 mSDsluCounter, 11295 mSDsCounter, 0 mSdLazyCounter, 5231 mSolverCounterSat, 3168 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 14925 SdHoareTripleChecker+Invalid, 8405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3168 IncrementalHoareTripleChecker+Valid, 5231 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:07:49,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2533 Valid, 14925 Invalid, 8405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3168 Valid, 5231 Invalid, 6 Unknown, 0 Unchecked, 32.9s Time] [2021-11-17 01:07:49,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61937 states. [2021-11-17 01:07:51,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61937 to 55712. [2021-11-17 01:07:51,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55712 states, 39218 states have (on average 1.2963435157325718) internal successors, (50840), 39683 states have internal predecessors, (50840), 13313 states have call successors, (13313), 2854 states have call predecessors, (13313), 3180 states have return successors, (15362), 13552 states have call predecessors, (15362), 13312 states have call successors, (15362) [2021-11-17 01:07:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55712 states to 55712 states and 79515 transitions. [2021-11-17 01:07:52,228 INFO L78 Accepts]: Start accepts. Automaton has 55712 states and 79515 transitions. Word has length 924 [2021-11-17 01:07:52,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:07:52,229 INFO L470 AbstractCegarLoop]: Abstraction has 55712 states and 79515 transitions. [2021-11-17 01:07:52,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 32.4) internal successors, (324), 4 states have internal predecessors, (324), 2 states have call successors, (100), 8 states have call predecessors, (100), 2 states have return successors, (99), 2 states have call predecessors, (99), 2 states have call successors, (99) [2021-11-17 01:07:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 55712 states and 79515 transitions. [2021-11-17 01:07:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 944 [2021-11-17 01:07:52,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:07:52,324 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:07:52,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 01:07:52,325 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:07:52,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:07:52,325 INFO L85 PathProgramCache]: Analyzing trace with hash 576231054, now seen corresponding path program 1 times [2021-11-17 01:07:52,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:07:52,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164257399] [2021-11-17 01:07:52,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:07:52,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:07:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:07:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:07:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:07:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:07:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:07:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:07:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:07:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:07:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:07:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:07:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:07:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:07:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:07:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:07:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:07:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:52,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:07:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:07:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:07:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 01:07:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:07:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:07:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:07:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:07:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:07:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:07:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:07:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:07:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:07:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:07:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:07:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:07:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:07:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 01:07:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:07:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:07:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 01:07:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:07:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 01:07:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 01:07:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 01:07:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 01:07:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 01:07:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 01:07:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 01:07:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 01:07:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 01:07:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 01:07:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 01:07:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 01:07:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 01:07:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 01:07:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 01:07:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 01:07:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 01:07:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 01:07:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 01:07:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 01:07:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 01:07:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 01:07:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 01:07:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 01:07:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 01:07:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 01:07:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 01:07:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 01:07:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-11-17 01:07:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 01:07:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 01:07:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-11-17 01:07:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 01:07:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-11-17 01:07:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-11-17 01:07:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:07:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:53,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:07:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:07:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2021-11-17 01:07:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2021-11-17 01:07:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2021-11-17 01:07:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2021-11-17 01:07:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2021-11-17 01:07:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:07:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2021-11-17 01:07:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2021-11-17 01:07:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2021-11-17 01:07:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2021-11-17 01:07:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2021-11-17 01:07:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2021-11-17 01:07:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2021-11-17 01:07:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 770 [2021-11-17 01:07:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:07:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2021-11-17 01:07:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:54,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2193 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-11-17 01:07:54,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:07:54,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164257399] [2021-11-17 01:07:54,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164257399] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 01:07:54,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260304312] [2021-11-17 01:07:54,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:07:54,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:07:54,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:07:54,235 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:07:54,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-17 01:07:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:07:55,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 9204 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-17 01:07:55,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:07:57,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2193 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 1670 trivial. 0 not checked. [2021-11-17 01:07:57,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:07:57,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260304312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:07:57,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 01:07:57,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [19] total 21 [2021-11-17 01:07:57,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10581309] [2021-11-17 01:07:57,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:07:57,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 01:07:57,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:07:57,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 01:07:57,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-11-17 01:07:57,221 INFO L87 Difference]: Start difference. First operand 55712 states and 79515 transitions. Second operand has 10 states, 10 states have (on average 35.8) internal successors, (358), 8 states have internal predecessors, (358), 3 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (104), 5 states have call predecessors, (104), 3 states have call successors, (104) [2021-11-17 01:07:59,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:07:59,091 INFO L93 Difference]: Finished difference Result 111844 states and 160324 transitions. [2021-11-17 01:07:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 01:07:59,092 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 35.8) internal successors, (358), 8 states have internal predecessors, (358), 3 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (104), 5 states have call predecessors, (104), 3 states have call successors, (104) Word has length 943 [2021-11-17 01:07:59,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:07:59,511 INFO L225 Difference]: With dead ends: 111844 [2021-11-17 01:07:59,511 INFO L226 Difference]: Without dead ends: 56156 [2021-11-17 01:07:59,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1209 GetRequests, 1185 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2021-11-17 01:07:59,669 INFO L933 BasicCegarLoop]: 3888 mSDtfsCounter, 21 mSDsluCounter, 31060 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 34948 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:07:59,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 34948 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:07:59,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56156 states. [2021-11-17 01:08:01,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56156 to 55892. [2021-11-17 01:08:01,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55892 states, 39362 states have (on average 1.2937350744372744) internal successors, (50924), 39815 states have internal predecessors, (50924), 13325 states have call successors, (13325), 2854 states have call predecessors, (13325), 3204 states have return successors, (15410), 13600 states have call predecessors, (15410), 13324 states have call successors, (15410) [2021-11-17 01:08:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55892 states to 55892 states and 79659 transitions. [2021-11-17 01:08:02,182 INFO L78 Accepts]: Start accepts. Automaton has 55892 states and 79659 transitions. Word has length 943 [2021-11-17 01:08:02,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:08:02,183 INFO L470 AbstractCegarLoop]: Abstraction has 55892 states and 79659 transitions. [2021-11-17 01:08:02,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 35.8) internal successors, (358), 8 states have internal predecessors, (358), 3 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (104), 5 states have call predecessors, (104), 3 states have call successors, (104) [2021-11-17 01:08:02,183 INFO L276 IsEmpty]: Start isEmpty. Operand 55892 states and 79659 transitions. [2021-11-17 01:08:02,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 950 [2021-11-17 01:08:02,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:08:02,282 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 16, 16, 15, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:08:02,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-17 01:08:02,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:08:02,502 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:08:02,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:08:02,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1682780488, now seen corresponding path program 1 times [2021-11-17 01:08:02,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:08:02,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159813148] [2021-11-17 01:08:02,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:08:02,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:08:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:08:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:08:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:08:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:08:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:08:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:08:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:08:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:08:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:08:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:08:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:08:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:08:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:08:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:08:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:08:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:08:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:08:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:08:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 01:08:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 01:08:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:08:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:08:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:08:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:08:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:08:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:08:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:08:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:08:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:08:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:08:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:08:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:08:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:08:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 01:08:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:08:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:08:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 01:08:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:08:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 01:08:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 01:08:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 01:08:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 01:08:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 01:08:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 01:08:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 01:08:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 01:08:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 01:08:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 01:08:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 01:08:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 01:08:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 01:08:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 01:08:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 01:08:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 01:08:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 01:08:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 01:08:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 01:08:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 01:08:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:08:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 01:08:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 01:08:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 01:08:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 01:08:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 01:08:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 01:08:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:08:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 01:08:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 01:08:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-11-17 01:08:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 01:08:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 01:08:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-11-17 01:08:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 01:08:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:08:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-11-17 01:08:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-11-17 01:08:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:08:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:08:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:08:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:08:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:08:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-11-17 01:08:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-11-17 01:08:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2021-11-17 01:08:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2021-11-17 01:08:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2021-11-17 01:08:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:08:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2021-11-17 01:08:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2021-11-17 01:08:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2021-11-17 01:08:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2021-11-17 01:08:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 742 [2021-11-17 01:08:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 01:08:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2021-11-17 01:08:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 01:08:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:08:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 788 [2021-11-17 01:08:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:08:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2200 trivial. 0 not checked. [2021-11-17 01:08:04,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:08:04,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159813148] [2021-11-17 01:08:04,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159813148] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:08:04,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:08:04,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 01:08:04,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156037210] [2021-11-17 01:08:04,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:08:04,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 01:08:04,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:08:04,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 01:08:04,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-17 01:08:04,436 INFO L87 Difference]: Start difference. First operand 55892 states and 79659 transitions. Second operand has 11 states, 11 states have (on average 30.181818181818183) internal successors, (332), 4 states have internal predecessors, (332), 2 states have call successors, (103), 8 states have call predecessors, (103), 2 states have return successors, (102), 2 states have call predecessors, (102), 1 states have call successors, (102) [2021-11-17 01:08:06,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:08,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:10,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:13,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:15,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:17,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:31,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:33,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:41,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:43,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:45,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:47,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:49,842 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:51,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:08:56,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:08:56,574 INFO L93 Difference]: Finished difference Result 129838 states and 193253 transitions. [2021-11-17 01:08:56,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 01:08:56,575 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 30.181818181818183) internal successors, (332), 4 states have internal predecessors, (332), 2 states have call successors, (103), 8 states have call predecessors, (103), 2 states have return successors, (102), 2 states have call predecessors, (102), 1 states have call successors, (102) Word has length 949 [2021-11-17 01:08:56,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:08:56,968 INFO L225 Difference]: With dead ends: 129838 [2021-11-17 01:08:56,968 INFO L226 Difference]: Without dead ends: 82592 [2021-11-17 01:08:57,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2021-11-17 01:08:57,120 INFO L933 BasicCegarLoop]: 4123 mSDtfsCounter, 7013 mSDsluCounter, 15361 mSDsCounter, 0 mSdLazyCounter, 8519 mSolverCounterSat, 5254 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7834 SdHoareTripleChecker+Valid, 19484 SdHoareTripleChecker+Invalid, 13785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5254 IncrementalHoareTripleChecker+Valid, 8519 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.8s IncrementalHoareTripleChecker+Time [2021-11-17 01:08:57,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7834 Valid, 19484 Invalid, 13785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5254 Valid, 8519 Invalid, 12 Unknown, 0 Unchecked, 48.8s Time] [2021-11-17 01:08:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82592 states. [2021-11-17 01:09:00,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82592 to 55924. [2021-11-17 01:09:00,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55924 states, 39382 states have (on average 1.2935859021888172) internal successors, (50944), 39843 states have internal predecessors, (50944), 13325 states have call successors, (13325), 2854 states have call predecessors, (13325), 3216 states have return successors, (15440), 13604 states have call predecessors, (15440), 13324 states have call successors, (15440) [2021-11-17 01:09:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55924 states to 55924 states and 79709 transitions. [2021-11-17 01:09:00,781 INFO L78 Accepts]: Start accepts. Automaton has 55924 states and 79709 transitions. Word has length 949 [2021-11-17 01:09:00,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:09:00,782 INFO L470 AbstractCegarLoop]: Abstraction has 55924 states and 79709 transitions. [2021-11-17 01:09:00,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 30.181818181818183) internal successors, (332), 4 states have internal predecessors, (332), 2 states have call successors, (103), 8 states have call predecessors, (103), 2 states have return successors, (102), 2 states have call predecessors, (102), 1 states have call successors, (102) [2021-11-17 01:09:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 55924 states and 79709 transitions. [2021-11-17 01:09:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 975 [2021-11-17 01:09:00,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:09:00,892 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 17, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:09:00,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-17 01:09:00,893 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:09:00,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:09:00,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1721118344, now seen corresponding path program 1 times [2021-11-17 01:09:00,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:09:00,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394140295] [2021-11-17 01:09:00,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:09:00,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:09:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:09:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:09:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:09:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:09:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:09:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:09:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:09:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 01:09:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 01:09:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 01:09:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:09:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:09:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:09:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:09:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 01:09:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 01:09:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 01:09:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:09:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 01:09:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 01:09:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 01:09:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 01:09:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:09:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:09:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:09:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 01:09:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-17 01:09:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 01:09:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:09:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:09:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-11-17 01:09:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:09:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:09:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 01:09:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 01:09:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 01:09:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 01:09:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 01:09:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 01:09:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:09:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 01:09:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 01:09:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 01:09:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-17 01:09:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 01:09:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 01:09:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 01:09:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 01:09:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 01:09:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 01:09:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 01:09:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 01:09:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 01:09:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 01:09:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 01:09:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 01:09:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 01:09:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 01:09:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 01:09:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 01:09:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:09:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 01:09:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 01:09:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 01:09:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 01:09:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 01:09:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 01:09:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:09:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 01:09:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 01:09:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-11-17 01:09:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 01:09:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 01:09:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-11-17 01:09:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 01:09:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:09:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-11-17 01:09:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-11-17 01:09:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:09:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:09:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:09:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 01:09:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:09:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-11-17 01:09:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-11-17 01:09:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2021-11-17 01:09:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2021-11-17 01:09:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2021-11-17 01:09:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:09:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2021-11-17 01:09:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2021-11-17 01:09:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2021-11-17 01:09:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2021-11-17 01:09:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 742 [2021-11-17 01:09:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 01:09:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2021-11-17 01:09:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 01:09:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:09:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 788 [2021-11-17 01:09:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:09:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2353 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2021-11-17 01:09:02,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:09:02,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394140295] [2021-11-17 01:09:02,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394140295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:09:02,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:09:02,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 01:09:02,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330536808] [2021-11-17 01:09:02,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:09:02,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 01:09:02,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:09:02,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 01:09:02,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:09:02,591 INFO L87 Difference]: Start difference. First operand 55924 states and 79709 transitions. Second operand has 9 states, 9 states have (on average 38.55555555555556) internal successors, (347), 3 states have internal predecessors, (347), 3 states have call successors, (105), 8 states have call predecessors, (105), 1 states have return successors, (104), 3 states have call predecessors, (104), 3 states have call successors, (104) [2021-11-17 01:09:04,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:06,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:08,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:09,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:12,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:14,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:16,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:19,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:21,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:23,293 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:47,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:50,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:52,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:09:58,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:09:58,535 INFO L93 Difference]: Finished difference Result 178946 states and 265774 transitions. [2021-11-17 01:09:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 01:09:58,536 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 38.55555555555556) internal successors, (347), 3 states have internal predecessors, (347), 3 states have call successors, (105), 8 states have call predecessors, (105), 1 states have return successors, (104), 3 states have call predecessors, (104), 3 states have call successors, (104) Word has length 974 [2021-11-17 01:09:58,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:09:59,235 INFO L225 Difference]: With dead ends: 178946 [2021-11-17 01:09:59,236 INFO L226 Difference]: Without dead ends: 123046 [2021-11-17 01:09:59,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2021-11-17 01:09:59,664 INFO L933 BasicCegarLoop]: 5129 mSDtfsCounter, 4623 mSDsluCounter, 8654 mSDsCounter, 0 mSdLazyCounter, 8238 mSolverCounterSat, 2113 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5426 SdHoareTripleChecker+Valid, 13783 SdHoareTripleChecker+Invalid, 10362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2113 IncrementalHoareTripleChecker+Valid, 8238 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:09:59,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5426 Valid, 13783 Invalid, 10362 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2113 Valid, 8238 Invalid, 11 Unknown, 0 Unchecked, 51.0s Time] [2021-11-17 01:09:59,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123046 states.