./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa --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 a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:24:10,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:24:10,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:24:10,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:24:10,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:24:10,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:24:10,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:24:10,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:24:10,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:24:10,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:24:10,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:24:10,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:24:10,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:24:10,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:24:10,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:24:10,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:24:10,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:24:10,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:24:10,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:24:10,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:24:10,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:24:10,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:24:10,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:24:10,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:24:10,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:24:10,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:24:10,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:24:10,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:24:10,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:24:10,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:24:10,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:24:10,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:24:10,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:24:10,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:24:10,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:24:10,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:24:10,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:24:10,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:24:10,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:24:10,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:24:10,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:24:10,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:24:10,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:24:10,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:24:10,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:24:10,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:24:10,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:24:10,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:24:10,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:24:10,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:24:10,316 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:24:10,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:24:10,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:24:10,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:24:10,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:24:10,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:24:10,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:24:10,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:24:10,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:24:10,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:24:10,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:24:10,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:24:10,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:24:10,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:24:10,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:24:10,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:24:10,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:24:10,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:24:10,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:24:10,319 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:24:10,320 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:24:10,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:24:10,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:24:10,320 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e [2021-12-06 22:24:10,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:24:10,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:24:10,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:24:10,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:24:10,525 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:24:10,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-06 22:24:10,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/data/26b24a03a/591135ce55ea4291855d7a8d1e4e5edb/FLAGa034178ab [2021-12-06 22:24:11,222 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:24:11,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-06 22:24:11,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/data/26b24a03a/591135ce55ea4291855d7a8d1e4e5edb/FLAGa034178ab [2021-12-06 22:24:11,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/data/26b24a03a/591135ce55ea4291855d7a8d1e4e5edb [2021-12-06 22:24:11,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:24:11,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:24:11,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:24:11,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:24:11,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:24:11,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:24:11" (1/1) ... [2021-12-06 22:24:11,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a379f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:11, skipping insertion in model container [2021-12-06 22:24:11,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:24:11" (1/1) ... [2021-12-06 22:24:11,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:24:11,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:24:13,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2021-12-06 22:24:13,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:24:13,851 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:24:14,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2021-12-06 22:24:14,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:24:14,349 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:24:14,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14 WrapperNode [2021-12-06 22:24:14,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:24:14,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:24:14,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:24:14,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:24:14,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,694 INFO L137 Inliner]: procedures = 319, calls = 4201, calls flagged for inlining = 120, calls inlined = 112, statements flattened = 9565 [2021-12-06 22:24:14,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:24:14,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:24:14,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:24:14,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:24:14,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:24:14,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:24:14,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:24:14,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:24:14,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (1/1) ... [2021-12-06 22:24:14,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:24:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:24:15,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:24:15,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a36d071-0af8-487c-812a-e508338f83e1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:24:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-06 22:24:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-06 22:24:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2021-12-06 22:24:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2021-12-06 22:24:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-06 22:24:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-06 22:24:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 22:24:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 22:24:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-06 22:24:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:24:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:24:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 22:24:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 22:24:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 22:24:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 22:24:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2021-12-06 22:24:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2021-12-06 22:24:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-06 22:24:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-06 22:24:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2021-12-06 22:24:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2021-12-06 22:24:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 22:24:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 22:24:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2021-12-06 22:24:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2021-12-06 22:24:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2021-12-06 22:24:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2021-12-06 22:24:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:24:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:24:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2021-12-06 22:24:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2021-12-06 22:24:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2021-12-06 22:24:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2021-12-06 22:24:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-06 22:24:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2021-12-06 22:24:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-06 22:24:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2021-12-06 22:24:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 22:24:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 22:24:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 22:24:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 22:24:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-06 22:24:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-06 22:24:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2021-12-06 22:24:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2021-12-06 22:24:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2021-12-06 22:24:15,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2021-12-06 22:24:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2021-12-06 22:24:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2021-12-06 22:24:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:24:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:24:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:24:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:24:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2021-12-06 22:24:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2021-12-06 22:24:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2021-12-06 22:24:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2021-12-06 22:24:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 22:24:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 22:24:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2021-12-06 22:24:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2021-12-06 22:24:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2021-12-06 22:24:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2021-12-06 22:24:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2021-12-06 22:24:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2021-12-06 22:24:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2021-12-06 22:24:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2021-12-06 22:24:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:24:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-06 22:24:15,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2021-12-06 22:24:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 22:24:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2021-12-06 22:24:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2021-12-06 22:24:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-06 22:24:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-06 22:24:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2021-12-06 22:24:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2021-12-06 22:24:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:24:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2021-12-06 22:24:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2021-12-06 22:24:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2021-12-06 22:24:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2021-12-06 22:24:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2021-12-06 22:24:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2021-12-06 22:24:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 22:24:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 22:24:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-06 22:24:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-06 22:24:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2021-12-06 22:24:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2021-12-06 22:24:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-06 22:24:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-06 22:24:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-12-06 22:24:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-12-06 22:24:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:24:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2021-12-06 22:24:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2021-12-06 22:24:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:24:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-06 22:24:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-06 22:24:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 22:24:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 22:24:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 22:24:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 22:24:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2021-12-06 22:24:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2021-12-06 22:24:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 22:24:15,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 22:24:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2021-12-06 22:24:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2021-12-06 22:24:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2021-12-06 22:24:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2021-12-06 22:24:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 22:24:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2021-12-06 22:24:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2021-12-06 22:24:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-06 22:24:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-06 22:24:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-06 22:24:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-06 22:24:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 22:24:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:24:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2021-12-06 22:24:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2021-12-06 22:24:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2021-12-06 22:24:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2021-12-06 22:24:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:24:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:24:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2021-12-06 22:24:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2021-12-06 22:24:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2021-12-06 22:24:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2021-12-06 22:24:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2021-12-06 22:24:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2021-12-06 22:24:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2021-12-06 22:24:15,078 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2021-12-06 22:24:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:24:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:24:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2021-12-06 22:24:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2021-12-06 22:24:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-06 22:24:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-06 22:24:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:24:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-06 22:24:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-06 22:24:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2021-12-06 22:24:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2021-12-06 22:24:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2021-12-06 22:24:15,079 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2021-12-06 22:24:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2021-12-06 22:24:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2021-12-06 22:24:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:24:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:24:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 22:24:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 22:24:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-06 22:24:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-06 22:24:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:24:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-06 22:24:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-06 22:24:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 22:24:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 22:24:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2021-12-06 22:24:15,080 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2021-12-06 22:24:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-06 22:24:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-06 22:24:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:24:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2021-12-06 22:24:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2021-12-06 22:24:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 22:24:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 22:24:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2021-12-06 22:24:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2021-12-06 22:24:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2021-12-06 22:24:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2021-12-06 22:24:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-06 22:24:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-06 22:24:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:24:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 22:24:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2021-12-06 22:24:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2021-12-06 22:24:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2021-12-06 22:24:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2021-12-06 22:24:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2021-12-06 22:24:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2021-12-06 22:24:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2021-12-06 22:24:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2021-12-06 22:24:15,082 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-06 22:24:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-06 22:24:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-06 22:24:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-06 22:24:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2021-12-06 22:24:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2021-12-06 22:24:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2021-12-06 22:24:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2021-12-06 22:24:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2021-12-06 22:24:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2021-12-06 22:24:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2021-12-06 22:24:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2021-12-06 22:24:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 22:24:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 22:24:15,083 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2021-12-06 22:24:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2021-12-06 22:24:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-12-06 22:24:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-12-06 22:24:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-12-06 22:24:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-12-06 22:24:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:24:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2021-12-06 22:24:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2021-12-06 22:24:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2021-12-06 22:24:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2021-12-06 22:24:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:24:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:24:15,084 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 22:24:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 22:24:15,751 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:24:15,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:24:15,815 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 22:24:24,500 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:24:24,523 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:24:24,524 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 22:24:24,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:24:24 BoogieIcfgContainer [2021-12-06 22:24:24,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:24:24,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:24:24,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:24:24,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:24:24,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:24:11" (1/3) ... [2021-12-06 22:24:24,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe06ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:24:24, skipping insertion in model container [2021-12-06 22:24:24,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:24:14" (2/3) ... [2021-12-06 22:24:24,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe06ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:24:24, skipping insertion in model container [2021-12-06 22:24:24,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:24:24" (3/3) ... [2021-12-06 22:24:24,533 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2021-12-06 22:24:24,537 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:24:24,537 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:24:24,586 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:24:24,591 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:24:24,591 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:24:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 3155 states, 2418 states have (on average 1.4553349875930521) internal successors, (3519), 2456 states have internal predecessors, (3519), 638 states have call successors, (638), 98 states have call predecessors, (638), 97 states have return successors, (627), 624 states have call predecessors, (627), 627 states have call successors, (627) [2021-12-06 22:24:24,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-06 22:24:24,691 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:24,692 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:24,693 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:24:24,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:24,698 INFO L85 PathProgramCache]: Analyzing trace with hash -371824301, now seen corresponding path program 1 times [2021-12-06 22:24:24,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:24,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764817950] [2021-12-06 22:24:24,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:24,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:24:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:24:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:24:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:24:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:24:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:24:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:24:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:24:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:24:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:24:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:24:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:24:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:24:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:24:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:24:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:24:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:24:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:24:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:24:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:24:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:24:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:24:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:24:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:24:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:24:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:24:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:24:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:24:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:24:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:24:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:24:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:24:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:24:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:24:25,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:25,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764817950] [2021-12-06 22:24:25,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764817950] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:25,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:24:25,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:24:25,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230036129] [2021-12-06 22:24:25,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:25,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:24:25,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:25,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:24:25,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:24:25,919 INFO L87 Difference]: Start difference. First operand has 3155 states, 2418 states have (on average 1.4553349875930521) internal successors, (3519), 2456 states have internal predecessors, (3519), 638 states have call successors, (638), 98 states have call predecessors, (638), 97 states have return successors, (627), 624 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 22:24:31,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:33,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:45,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:47,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:48,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:24:48,057 INFO L93 Difference]: Finished difference Result 6799 states and 10840 transitions. [2021-12-06 22:24:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:24:48,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 510 [2021-12-06 22:24:48,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:24:48,112 INFO L225 Difference]: With dead ends: 6799 [2021-12-06 22:24:48,112 INFO L226 Difference]: Without dead ends: 3626 [2021-12-06 22:24:48,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:24:48,143 INFO L933 BasicCegarLoop]: 4513 mSDtfsCounter, 1412 mSDsluCounter, 6342 mSDsCounter, 0 mSdLazyCounter, 5366 mSolverCounterSat, 1644 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 10855 SdHoareTripleChecker+Invalid, 7014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1644 IncrementalHoareTripleChecker+Valid, 5366 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:24:48,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1441 Valid, 10855 Invalid, 7014 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1644 Valid, 5366 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2021-12-06 22:24:48,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2021-12-06 22:24:48,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 3132. [2021-12-06 22:24:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 2408 states have (on average 1.448920265780731) internal successors, (3489), 2433 states have internal predecessors, (3489), 627 states have call successors, (627), 97 states have call predecessors, (627), 96 states have return successors, (618), 615 states have call predecessors, (618), 618 states have call successors, (618) [2021-12-06 22:24:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 4734 transitions. [2021-12-06 22:24:48,345 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 4734 transitions. Word has length 510 [2021-12-06 22:24:48,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:24:48,346 INFO L470 AbstractCegarLoop]: Abstraction has 3132 states and 4734 transitions. [2021-12-06 22:24:48,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-06 22:24:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 4734 transitions. [2021-12-06 22:24:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-06 22:24:48,356 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:24:48,356 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:24:48,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:24:48,357 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:24:48,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:24:48,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1693972741, now seen corresponding path program 1 times [2021-12-06 22:24:48,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:24:48,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146209587] [2021-12-06 22:24:48,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:24:48,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:24:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:24:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:24:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:24:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:24:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:24:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:24:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:24:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:24:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:24:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:24:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:24:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:24:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:24:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:24:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:24:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:24:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:24:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:24:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:24:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:24:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:24:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:24:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:24:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:24:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:24:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:24:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:24:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:24:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:24:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:24:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:24:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:24:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:24:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:24:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:24:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:24:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:24:49,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:24:49,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146209587] [2021-12-06 22:24:49,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146209587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:24:49,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:24:49,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:24:49,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645288256] [2021-12-06 22:24:49,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:24:49,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:24:49,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:24:49,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:24:49,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:24:49,122 INFO L87 Difference]: Start difference. First operand 3132 states and 4734 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2021-12-06 22:24:52,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:24:57,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:25:02,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:02,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:02,356 INFO L93 Difference]: Finished difference Result 7106 states and 10919 transitions. [2021-12-06 22:25:02,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:25:02,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 510 [2021-12-06 22:25:02,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:02,387 INFO L225 Difference]: With dead ends: 7106 [2021-12-06 22:25:02,387 INFO L226 Difference]: Without dead ends: 4048 [2021-12-06 22:25:02,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:25:02,400 INFO L933 BasicCegarLoop]: 4518 mSDtfsCounter, 3157 mSDsluCounter, 6428 mSDsCounter, 0 mSdLazyCounter, 2921 mSolverCounterSat, 2781 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 10946 SdHoareTripleChecker+Invalid, 5704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2781 IncrementalHoareTripleChecker+Valid, 2921 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:02,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3241 Valid, 10946 Invalid, 5704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2781 Valid, 2921 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2021-12-06 22:25:02,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4048 states. [2021-12-06 22:25:02,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4048 to 3514. [2021-12-06 22:25:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3514 states, 2704 states have (on average 1.441568047337278) internal successors, (3898), 2732 states have internal predecessors, (3898), 688 states have call successors, (688), 122 states have call predecessors, (688), 121 states have return successors, (679), 674 states have call predecessors, (679), 679 states have call successors, (679) [2021-12-06 22:25:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 3514 states and 5265 transitions. [2021-12-06 22:25:02,523 INFO L78 Accepts]: Start accepts. Automaton has 3514 states and 5265 transitions. Word has length 510 [2021-12-06 22:25:02,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:02,525 INFO L470 AbstractCegarLoop]: Abstraction has 3514 states and 5265 transitions. [2021-12-06 22:25:02,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2021-12-06 22:25:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 5265 transitions. [2021-12-06 22:25:02,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-06 22:25:02,534 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:02,534 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:02,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:25:02,535 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:02,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:02,535 INFO L85 PathProgramCache]: Analyzing trace with hash 886070994, now seen corresponding path program 1 times [2021-12-06 22:25:02,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:02,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767357751] [2021-12-06 22:25:02,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:02,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:25:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:25:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:25:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:25:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:25:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:25:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:25:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:25:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:25:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:25:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:25:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:25:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:25:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:25:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:25:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:25:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:25:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:25:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:25:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:25:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:25:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:25:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:25:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:25:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:25:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:25:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:25:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:25:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:25:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:25:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:25:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:25:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:25:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-06 22:25:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:25:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-06 22:25:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:25:03,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:03,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767357751] [2021-12-06 22:25:03,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767357751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:03,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:03,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:25:03,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708866018] [2021-12-06 22:25:03,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:03,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:25:03,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:03,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:25:03,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:25:03,238 INFO L87 Difference]: Start difference. First operand 3514 states and 5265 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 22:25:07,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:09,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:16,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:18,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:27,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:25:29,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:25:33,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:25:38,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:40,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:45,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:47,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:50,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:25:50,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:25:50,927 INFO L93 Difference]: Finished difference Result 11293 states and 17397 transitions. [2021-12-06 22:25:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:25:50,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 528 [2021-12-06 22:25:50,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:25:50,978 INFO L225 Difference]: With dead ends: 11293 [2021-12-06 22:25:50,978 INFO L226 Difference]: Without dead ends: 7857 [2021-12-06 22:25:50,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:25:50,994 INFO L933 BasicCegarLoop]: 4327 mSDtfsCounter, 11774 mSDsluCounter, 6338 mSDsCounter, 0 mSdLazyCounter, 14417 mSolverCounterSat, 6809 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12443 SdHoareTripleChecker+Valid, 10665 SdHoareTripleChecker+Invalid, 21236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6809 IncrementalHoareTripleChecker+Valid, 14417 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:25:50,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12443 Valid, 10665 Invalid, 21236 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6809 Valid, 14417 Invalid, 10 Unknown, 0 Unchecked, 47.1s Time] [2021-12-06 22:25:51,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7857 states. [2021-12-06 22:25:51,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7857 to 6821. [2021-12-06 22:25:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6821 states, 5279 states have (on average 1.4459177874597462) internal successors, (7633), 5322 states have internal predecessors, (7633), 1306 states have call successors, (1306), 236 states have call predecessors, (1306), 235 states have return successors, (1297), 1289 states have call predecessors, (1297), 1297 states have call successors, (1297) [2021-12-06 22:25:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6821 states to 6821 states and 10236 transitions. [2021-12-06 22:25:51,273 INFO L78 Accepts]: Start accepts. Automaton has 6821 states and 10236 transitions. Word has length 528 [2021-12-06 22:25:51,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:25:51,274 INFO L470 AbstractCegarLoop]: Abstraction has 6821 states and 10236 transitions. [2021-12-06 22:25:51,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 22:25:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 6821 states and 10236 transitions. [2021-12-06 22:25:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-12-06 22:25:51,278 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:25:51,278 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:25:51,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:25:51,278 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:25:51,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:25:51,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1428466967, now seen corresponding path program 1 times [2021-12-06 22:25:51,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:25:51,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201767033] [2021-12-06 22:25:51,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:25:51,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:25:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:25:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:25:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:25:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:25:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:25:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:25:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:25:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:25:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:25:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:25:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:25:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:25:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:25:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:25:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:25:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:25:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:25:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:25:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:25:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:25:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:25:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:25:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:25:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:25:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:25:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:25:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:25:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:25:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:25:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:25:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:25:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:25:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:25:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:25:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:25:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:25:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:52,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:25:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:25:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:25:52,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:25:52,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201767033] [2021-12-06 22:25:52,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201767033] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:25:52,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:25:52,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:25:52,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656279718] [2021-12-06 22:25:52,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:25:52,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:25:52,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:25:52,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:25:52,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:25:52,010 INFO L87 Difference]: Start difference. First operand 6821 states and 10236 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 22:25:55,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:01,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:26:06,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:07,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:07,220 INFO L93 Difference]: Finished difference Result 14794 states and 22749 transitions. [2021-12-06 22:26:07,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:26:07,220 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 536 [2021-12-06 22:26:07,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:07,271 INFO L225 Difference]: With dead ends: 14794 [2021-12-06 22:26:07,272 INFO L226 Difference]: Without dead ends: 8051 [2021-12-06 22:26:07,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:26:07,301 INFO L933 BasicCegarLoop]: 4424 mSDtfsCounter, 7667 mSDsluCounter, 5003 mSDsCounter, 0 mSdLazyCounter, 2861 mSolverCounterSat, 3979 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8153 SdHoareTripleChecker+Valid, 9427 SdHoareTripleChecker+Invalid, 6843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3979 IncrementalHoareTripleChecker+Valid, 2861 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:07,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8153 Valid, 9427 Invalid, 6843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3979 Valid, 2861 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2021-12-06 22:26:07,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8051 states. [2021-12-06 22:26:07,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8051 to 6821. [2021-12-06 22:26:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6821 states, 5279 states have (on average 1.44553892782724) internal successors, (7631), 5322 states have internal predecessors, (7631), 1306 states have call successors, (1306), 236 states have call predecessors, (1306), 235 states have return successors, (1297), 1289 states have call predecessors, (1297), 1297 states have call successors, (1297) [2021-12-06 22:26:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6821 states to 6821 states and 10234 transitions. [2021-12-06 22:26:07,576 INFO L78 Accepts]: Start accepts. Automaton has 6821 states and 10234 transitions. Word has length 536 [2021-12-06 22:26:07,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:07,577 INFO L470 AbstractCegarLoop]: Abstraction has 6821 states and 10234 transitions. [2021-12-06 22:26:07,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 22:26:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 6821 states and 10234 transitions. [2021-12-06 22:26:07,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-12-06 22:26:07,582 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:07,583 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:07,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:26:07,583 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:07,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:07,584 INFO L85 PathProgramCache]: Analyzing trace with hash -726867093, now seen corresponding path program 1 times [2021-12-06 22:26:07,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:07,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491732729] [2021-12-06 22:26:07,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:07,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:26:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:26:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:26:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:26:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:26:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:26:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:26:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:26:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:26:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:26:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:26:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:26:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:26:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:26:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:26:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:07,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:26:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:26:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:26:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:26:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:26:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:26:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:26:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:26:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:26:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:26:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:26:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:26:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:26:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:26:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:26:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:26:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:26:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:26:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:26:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:26:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:26:08,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:08,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491732729] [2021-12-06 22:26:08,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491732729] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:08,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:08,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:26:08,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729691151] [2021-12-06 22:26:08,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:08,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:26:08,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:08,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:26:08,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:26:08,278 INFO L87 Difference]: Start difference. First operand 6821 states and 10234 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 22:26:09,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:12,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:18,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:26:22,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:22,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:22,894 INFO L93 Difference]: Finished difference Result 14794 states and 22745 transitions. [2021-12-06 22:26:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:26:22,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 536 [2021-12-06 22:26:22,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:22,931 INFO L225 Difference]: With dead ends: 14794 [2021-12-06 22:26:22,931 INFO L226 Difference]: Without dead ends: 8051 [2021-12-06 22:26:22,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:26:22,948 INFO L933 BasicCegarLoop]: 4421 mSDtfsCounter, 7676 mSDsluCounter, 4988 mSDsCounter, 0 mSdLazyCounter, 2861 mSolverCounterSat, 3981 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8161 SdHoareTripleChecker+Valid, 9409 SdHoareTripleChecker+Invalid, 6844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3981 IncrementalHoareTripleChecker+Valid, 2861 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:22,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8161 Valid, 9409 Invalid, 6844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3981 Valid, 2861 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2021-12-06 22:26:22,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8051 states. [2021-12-06 22:26:23,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8051 to 6821. [2021-12-06 22:26:23,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6821 states, 5279 states have (on average 1.4451600681947339) internal successors, (7629), 5322 states have internal predecessors, (7629), 1306 states have call successors, (1306), 236 states have call predecessors, (1306), 235 states have return successors, (1297), 1289 states have call predecessors, (1297), 1297 states have call successors, (1297) [2021-12-06 22:26:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6821 states to 6821 states and 10232 transitions. [2021-12-06 22:26:23,208 INFO L78 Accepts]: Start accepts. Automaton has 6821 states and 10232 transitions. Word has length 536 [2021-12-06 22:26:23,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:23,208 INFO L470 AbstractCegarLoop]: Abstraction has 6821 states and 10232 transitions. [2021-12-06 22:26:23,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 22:26:23,209 INFO L276 IsEmpty]: Start isEmpty. Operand 6821 states and 10232 transitions. [2021-12-06 22:26:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-12-06 22:26:23,212 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:23,212 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:23,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:26:23,212 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:23,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:23,212 INFO L85 PathProgramCache]: Analyzing trace with hash -704234839, now seen corresponding path program 1 times [2021-12-06 22:26:23,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:23,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084625345] [2021-12-06 22:26:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:23,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:26:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:26:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:26:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:26:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:26:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:26:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:26:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:26:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:26:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:26:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:26:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:26:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:26:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:26:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:26:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:26:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:26:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:26:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:26:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:26:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:26:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:26:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:26:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:26:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:26:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:26:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:26:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:26:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:26:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:26:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:26:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:26:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:26:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:26:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:26:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:26:23,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:23,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084625345] [2021-12-06 22:26:23,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084625345] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:23,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:23,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:26:23,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721316966] [2021-12-06 22:26:23,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:23,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:26:23,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:23,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:26:23,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:26:23,946 INFO L87 Difference]: Start difference. First operand 6821 states and 10232 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 22:26:28,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:34,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:38,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:26:43,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:26:46,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:49,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:52,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:55,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:26:55,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:26:55,402 INFO L93 Difference]: Finished difference Result 22405 states and 34731 transitions. [2021-12-06 22:26:55,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:26:55,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 536 [2021-12-06 22:26:55,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:26:55,462 INFO L225 Difference]: With dead ends: 22405 [2021-12-06 22:26:55,462 INFO L226 Difference]: Without dead ends: 15662 [2021-12-06 22:26:55,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:26:55,478 INFO L933 BasicCegarLoop]: 4888 mSDtfsCounter, 8847 mSDsluCounter, 11229 mSDsCounter, 0 mSdLazyCounter, 6996 mSolverCounterSat, 5383 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9406 SdHoareTripleChecker+Valid, 16117 SdHoareTripleChecker+Invalid, 12386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5383 IncrementalHoareTripleChecker+Valid, 6996 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:26:55,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9406 Valid, 16117 Invalid, 12386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5383 Valid, 6996 Invalid, 7 Unknown, 0 Unchecked, 30.8s Time] [2021-12-06 22:26:55,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15662 states. [2021-12-06 22:26:55,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15662 to 13189. [2021-12-06 22:26:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13189 states, 10261 states have (on average 1.449468862683949) internal successors, (14873), 10330 states have internal predecessors, (14873), 2481 states have call successors, (2481), 447 states have call predecessors, (2481), 446 states have return successors, (2472), 2459 states have call predecessors, (2472), 2472 states have call successors, (2472) [2021-12-06 22:26:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13189 states to 13189 states and 19826 transitions. [2021-12-06 22:26:55,934 INFO L78 Accepts]: Start accepts. Automaton has 13189 states and 19826 transitions. Word has length 536 [2021-12-06 22:26:55,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:26:55,935 INFO L470 AbstractCegarLoop]: Abstraction has 13189 states and 19826 transitions. [2021-12-06 22:26:55,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 22:26:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 13189 states and 19826 transitions. [2021-12-06 22:26:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2021-12-06 22:26:55,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:26:55,939 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:26:55,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:26:55,939 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:26:55,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:26:55,940 INFO L85 PathProgramCache]: Analyzing trace with hash 681968555, now seen corresponding path program 1 times [2021-12-06 22:26:55,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:26:55,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064001475] [2021-12-06 22:26:55,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:26:55,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:26:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:26:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:26:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:26:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:26:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:26:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:26:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:26:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:26:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:26:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:26:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:26:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:26:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:26:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:26:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:26:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:26:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:26:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:26:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:26:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:26:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:26:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:26:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:26:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:26:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:26:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:26:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:26:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:26:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:26:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:26:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:26:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:26:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:26:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:26:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:26:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:26:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:26:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:26:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:26:56,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:26:56,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064001475] [2021-12-06 22:26:56,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064001475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:26:56,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:26:56,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:26:56,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051216148] [2021-12-06 22:26:56,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:26:56,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:26:56,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:26:56,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:26:56,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:26:56,600 INFO L87 Difference]: Start difference. First operand 13189 states and 19826 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2021-12-06 22:27:00,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:11,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:27:17,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:27:20,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:23,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:23,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:23,336 INFO L93 Difference]: Finished difference Result 42801 states and 67561 transitions. [2021-12-06 22:27:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:27:23,354 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 536 [2021-12-06 22:27:23,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:27:23,451 INFO L225 Difference]: With dead ends: 42801 [2021-12-06 22:27:23,451 INFO L226 Difference]: Without dead ends: 29690 [2021-12-06 22:27:23,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:27:23,483 INFO L933 BasicCegarLoop]: 5818 mSDtfsCounter, 7116 mSDsluCounter, 16787 mSDsCounter, 0 mSdLazyCounter, 5859 mSolverCounterSat, 3758 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7660 SdHoareTripleChecker+Valid, 22605 SdHoareTripleChecker+Invalid, 9622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3758 IncrementalHoareTripleChecker+Valid, 5859 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:27:23,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7660 Valid, 22605 Invalid, 9622 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3758 Valid, 5859 Invalid, 5 Unknown, 0 Unchecked, 25.9s Time] [2021-12-06 22:27:23,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29690 states. [2021-12-06 22:27:24,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29690 to 13191. [2021-12-06 22:27:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13191 states, 10263 states have (on average 1.449381272532398) internal successors, (14875), 10332 states have internal predecessors, (14875), 2481 states have call successors, (2481), 447 states have call predecessors, (2481), 446 states have return successors, (2472), 2459 states have call predecessors, (2472), 2472 states have call successors, (2472) [2021-12-06 22:27:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13191 states to 13191 states and 19828 transitions. [2021-12-06 22:27:24,175 INFO L78 Accepts]: Start accepts. Automaton has 13191 states and 19828 transitions. Word has length 536 [2021-12-06 22:27:24,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:27:24,176 INFO L470 AbstractCegarLoop]: Abstraction has 13191 states and 19828 transitions. [2021-12-06 22:27:24,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2021-12-06 22:27:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 13191 states and 19828 transitions. [2021-12-06 22:27:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-12-06 22:27:24,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:27:24,181 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:24,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:27:24,181 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:27:24,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:24,182 INFO L85 PathProgramCache]: Analyzing trace with hash 2094048543, now seen corresponding path program 1 times [2021-12-06 22:27:24,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:24,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458834070] [2021-12-06 22:27:24,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:24,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:27:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:27:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:27:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:27:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:27:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:27:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:27:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:27:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:27:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:27:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:27:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:27:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:27:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:27:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:27:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:27:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:27:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:27:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:27:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:27:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:27:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:27:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:27:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:27:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:27:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:27:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:27:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:27:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:27:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:27:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:27:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:27:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:27:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:27:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:27:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-06 22:27:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:27:24,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:24,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458834070] [2021-12-06 22:27:24,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458834070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:27:24,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:27:24,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:27:24,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453699200] [2021-12-06 22:27:24,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:27:24,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:27:24,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:27:24,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:27:24,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:27:24,985 INFO L87 Difference]: Start difference. First operand 13191 states and 19828 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:27:29,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:31,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:40,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:27:42,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:27:47,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:51,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:53,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:27:54,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:27:54,267 INFO L93 Difference]: Finished difference Result 15647 states and 24589 transitions. [2021-12-06 22:27:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:27:54,268 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 542 [2021-12-06 22:27:54,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:27:54,329 INFO L225 Difference]: With dead ends: 15647 [2021-12-06 22:27:54,330 INFO L226 Difference]: Without dead ends: 15644 [2021-12-06 22:27:54,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:27:54,336 INFO L933 BasicCegarLoop]: 4408 mSDtfsCounter, 6268 mSDsluCounter, 9041 mSDsCounter, 0 mSdLazyCounter, 6463 mSolverCounterSat, 2325 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6751 SdHoareTripleChecker+Valid, 13449 SdHoareTripleChecker+Invalid, 8794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2325 IncrementalHoareTripleChecker+Valid, 6463 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:27:54,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6751 Valid, 13449 Invalid, 8794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2325 Valid, 6463 Invalid, 6 Unknown, 0 Unchecked, 28.7s Time] [2021-12-06 22:27:54,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15644 states. [2021-12-06 22:27:54,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15644 to 13190. [2021-12-06 22:27:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13190 states, 10263 states have (on average 1.4492838351359252) internal successors, (14874), 10331 states have internal predecessors, (14874), 2480 states have call successors, (2480), 447 states have call predecessors, (2480), 446 states have return successors, (2472), 2459 states have call predecessors, (2472), 2472 states have call successors, (2472) [2021-12-06 22:27:54,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13190 states to 13190 states and 19826 transitions. [2021-12-06 22:27:54,828 INFO L78 Accepts]: Start accepts. Automaton has 13190 states and 19826 transitions. Word has length 542 [2021-12-06 22:27:54,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:27:54,828 INFO L470 AbstractCegarLoop]: Abstraction has 13190 states and 19826 transitions. [2021-12-06 22:27:54,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:27:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 13190 states and 19826 transitions. [2021-12-06 22:27:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2021-12-06 22:27:54,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:27:54,834 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:27:54,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:27:54,834 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:27:54,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:27:54,834 INFO L85 PathProgramCache]: Analyzing trace with hash 489968832, now seen corresponding path program 1 times [2021-12-06 22:27:54,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:27:54,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120466932] [2021-12-06 22:27:54,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:27:54,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:27:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:27:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:27:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:27:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:27:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:27:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:27:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:27:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:27:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:27:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:27:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:27:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:27:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:27:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:27:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:27:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:27:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:27:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:27:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:27:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:27:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:27:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:27:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:27:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:27:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:27:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:27:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:27:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:27:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:27:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:27:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:27:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:27:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:27:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:27:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:27:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:27:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:27:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-06 22:27:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:27:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:27:55,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:27:55,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120466932] [2021-12-06 22:27:55,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120466932] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:27:55,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:27:55,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:27:55,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803456664] [2021-12-06 22:27:55,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:27:55,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:27:55,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:27:55,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:27:55,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:27:55,629 INFO L87 Difference]: Start difference. First operand 13190 states and 19826 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:28:00,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:02,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:10,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:28:12,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:28:20,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:21,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:28:21,150 INFO L93 Difference]: Finished difference Result 15646 states and 24587 transitions. [2021-12-06 22:28:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:28:21,151 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 543 [2021-12-06 22:28:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:28:21,206 INFO L225 Difference]: With dead ends: 15646 [2021-12-06 22:28:21,206 INFO L226 Difference]: Without dead ends: 15643 [2021-12-06 22:28:21,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:28:21,214 INFO L933 BasicCegarLoop]: 4409 mSDtfsCounter, 6789 mSDsluCounter, 7102 mSDsCounter, 0 mSdLazyCounter, 4858 mSolverCounterSat, 3082 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7270 SdHoareTripleChecker+Valid, 11511 SdHoareTripleChecker+Invalid, 7945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3082 IncrementalHoareTripleChecker+Valid, 4858 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:28:21,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7270 Valid, 11511 Invalid, 7945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3082 Valid, 4858 Invalid, 5 Unknown, 0 Unchecked, 24.9s Time] [2021-12-06 22:28:21,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15643 states. [2021-12-06 22:28:21,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15643 to 13189. [2021-12-06 22:28:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13189 states, 10263 states have (on average 1.4491863977394523) internal successors, (14873), 10330 states have internal predecessors, (14873), 2479 states have call successors, (2479), 447 states have call predecessors, (2479), 446 states have return successors, (2472), 2459 states have call predecessors, (2472), 2472 states have call successors, (2472) [2021-12-06 22:28:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13189 states to 13189 states and 19824 transitions. [2021-12-06 22:28:21,717 INFO L78 Accepts]: Start accepts. Automaton has 13189 states and 19824 transitions. Word has length 543 [2021-12-06 22:28:21,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:28:21,717 INFO L470 AbstractCegarLoop]: Abstraction has 13189 states and 19824 transitions. [2021-12-06 22:28:21,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:28:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 13189 states and 19824 transitions. [2021-12-06 22:28:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2021-12-06 22:28:21,720 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:28:21,720 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:28:21,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:28:21,721 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:28:21,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:28:21,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1991857086, now seen corresponding path program 1 times [2021-12-06 22:28:21,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:28:21,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121574781] [2021-12-06 22:28:21,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:28:21,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:28:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:28:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:28:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:28:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:28:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:28:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:28:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:28:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:28:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:28:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:28:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:28:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:28:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:28:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:28:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:28:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:28:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:28:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:28:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:28:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:28:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:28:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:28:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:28:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:28:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:28:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:28:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:28:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:28:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:28:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:28:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:28:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:28:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:28:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:28:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:28:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:28:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:28:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-06 22:28:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:28:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:28:22,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:28:22,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121574781] [2021-12-06 22:28:22,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121574781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:28:22,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:28:22,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:28:22,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776537759] [2021-12-06 22:28:22,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:28:22,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:28:22,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:28:22,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:28:22,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:28:22,317 INFO L87 Difference]: Start difference. First operand 13189 states and 19824 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:28:26,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:28,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:39,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:28:41,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:28:44,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:28:46,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:28:51,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:52,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:57,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:58,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:28:59,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:28:59,143 INFO L93 Difference]: Finished difference Result 44211 states and 68677 transitions. [2021-12-06 22:28:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:28:59,144 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 544 [2021-12-06 22:28:59,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:28:59,283 INFO L225 Difference]: With dead ends: 44211 [2021-12-06 22:28:59,283 INFO L226 Difference]: Without dead ends: 31100 [2021-12-06 22:28:59,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:28:59,321 INFO L933 BasicCegarLoop]: 5761 mSDtfsCounter, 8400 mSDsluCounter, 12785 mSDsCounter, 0 mSdLazyCounter, 7967 mSolverCounterSat, 3978 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8958 SdHoareTripleChecker+Valid, 18546 SdHoareTripleChecker+Invalid, 11952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3978 IncrementalHoareTripleChecker+Valid, 7967 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:28:59,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8958 Valid, 18546 Invalid, 11952 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3978 Valid, 7967 Invalid, 7 Unknown, 0 Unchecked, 35.6s Time] [2021-12-06 22:28:59,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31100 states. [2021-12-06 22:29:00,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31100 to 26151. [2021-12-06 22:29:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26151 states, 20399 states have (on average 1.4512476101769693) internal successors, (29604), 20542 states have internal predecessors, (29604), 4869 states have call successors, (4869), 884 states have call predecessors, (4869), 882 states have return successors, (4898), 4820 states have call predecessors, (4898), 4858 states have call successors, (4898) [2021-12-06 22:29:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26151 states to 26151 states and 39371 transitions. [2021-12-06 22:29:00,306 INFO L78 Accepts]: Start accepts. Automaton has 26151 states and 39371 transitions. Word has length 544 [2021-12-06 22:29:00,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:29:00,307 INFO L470 AbstractCegarLoop]: Abstraction has 26151 states and 39371 transitions. [2021-12-06 22:29:00,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:29:00,307 INFO L276 IsEmpty]: Start isEmpty. Operand 26151 states and 39371 transitions. [2021-12-06 22:29:00,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-12-06 22:29:00,310 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:29:00,311 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:29:00,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:29:00,311 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:29:00,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:00,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1619044349, now seen corresponding path program 1 times [2021-12-06 22:29:00,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:00,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932149590] [2021-12-06 22:29:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:00,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:29:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:29:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:29:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:29:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:29:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:29:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:29:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:29:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:29:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:29:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:29:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:29:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:29:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:29:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:29:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:29:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:29:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:29:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:29:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:29:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:29:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:29:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:29:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:29:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:29:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:29:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:29:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:29:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:29:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:29:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:29:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:29:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:29:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:29:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:29:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-06 22:29:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:29:00,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:00,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932149590] [2021-12-06 22:29:00,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932149590] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:00,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:00,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:29:00,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521411991] [2021-12-06 22:29:00,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:00,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:29:00,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:00,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:29:00,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:29:00,910 INFO L87 Difference]: Start difference. First operand 26151 states and 39371 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:29:04,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:10,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:29:14,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:17,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:17,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:29:17,826 INFO L93 Difference]: Finished difference Result 31055 states and 48878 transitions. [2021-12-06 22:29:17,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:29:17,826 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 545 [2021-12-06 22:29:17,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:29:17,961 INFO L225 Difference]: With dead ends: 31055 [2021-12-06 22:29:17,961 INFO L226 Difference]: Without dead ends: 31052 [2021-12-06 22:29:17,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:29:17,972 INFO L933 BasicCegarLoop]: 4418 mSDtfsCounter, 7119 mSDsluCounter, 5249 mSDsCounter, 0 mSdLazyCounter, 3061 mSolverCounterSat, 3193 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7601 SdHoareTripleChecker+Valid, 9667 SdHoareTripleChecker+Invalid, 6258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3193 IncrementalHoareTripleChecker+Valid, 3061 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:29:17,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7601 Valid, 9667 Invalid, 6258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3193 Valid, 3061 Invalid, 4 Unknown, 0 Unchecked, 15.9s Time] [2021-12-06 22:29:17,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31052 states. [2021-12-06 22:29:18,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31052 to 26150. [2021-12-06 22:29:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26150 states, 20399 states have (on average 1.4511985881660865) internal successors, (29603), 20541 states have internal predecessors, (29603), 4868 states have call successors, (4868), 884 states have call predecessors, (4868), 882 states have return successors, (4898), 4820 states have call predecessors, (4898), 4858 states have call successors, (4898) [2021-12-06 22:29:19,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26150 states to 26150 states and 39369 transitions. [2021-12-06 22:29:19,011 INFO L78 Accepts]: Start accepts. Automaton has 26150 states and 39369 transitions. Word has length 545 [2021-12-06 22:29:19,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:29:19,011 INFO L470 AbstractCegarLoop]: Abstraction has 26150 states and 39369 transitions. [2021-12-06 22:29:19,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:29:19,011 INFO L276 IsEmpty]: Start isEmpty. Operand 26150 states and 39369 transitions. [2021-12-06 22:29:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-12-06 22:29:19,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:29:19,015 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:29:19,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 22:29:19,015 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:29:19,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:19,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1348220773, now seen corresponding path program 1 times [2021-12-06 22:29:19,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:19,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134752674] [2021-12-06 22:29:19,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:19,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:29:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:29:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:29:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:29:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:29:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:29:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:29:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:29:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:29:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:29:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:29:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:29:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:29:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:29:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:29:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:29:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:29:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:29:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:29:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:29:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:29:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:29:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:29:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:29:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:29:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:29:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:29:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:29:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:29:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:29:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:29:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:29:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:29:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:29:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:29:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-06 22:29:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2021-12-06 22:29:19,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:19,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134752674] [2021-12-06 22:29:19,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134752674] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:19,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:19,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:29:19,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533764992] [2021-12-06 22:29:19,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:19,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:29:19,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:19,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:29:19,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:29:19,618 INFO L87 Difference]: Start difference. First operand 26150 states and 39369 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:29:21,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:23,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:25,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:27,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:37,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:29:39,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:29:44,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:48,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:50,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:50,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:29:50,590 INFO L93 Difference]: Finished difference Result 44724 states and 69661 transitions. [2021-12-06 22:29:50,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:29:50,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 546 [2021-12-06 22:29:50,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:29:50,791 INFO L225 Difference]: With dead ends: 44724 [2021-12-06 22:29:50,791 INFO L226 Difference]: Without dead ends: 44644 [2021-12-06 22:29:50,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:29:50,818 INFO L933 BasicCegarLoop]: 4594 mSDtfsCounter, 6639 mSDsluCounter, 9934 mSDsCounter, 0 mSdLazyCounter, 6349 mSolverCounterSat, 3373 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7005 SdHoareTripleChecker+Valid, 14528 SdHoareTripleChecker+Invalid, 9727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3373 IncrementalHoareTripleChecker+Valid, 6349 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:29:50,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7005 Valid, 14528 Invalid, 9727 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3373 Valid, 6349 Invalid, 5 Unknown, 0 Unchecked, 29.4s Time] [2021-12-06 22:29:50,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44644 states. [2021-12-06 22:29:52,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44644 to 35760. [2021-12-06 22:29:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35760 states, 27483 states have (on average 1.43026598260743) internal successors, (39308), 27675 states have internal predecessors, (39308), 6852 states have call successors, (6852), 1426 states have call predecessors, (6852), 1424 states have return successors, (6884), 6799 states have call predecessors, (6884), 6844 states have call successors, (6884) [2021-12-06 22:29:52,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35760 states to 35760 states and 53044 transitions. [2021-12-06 22:29:52,377 INFO L78 Accepts]: Start accepts. Automaton has 35760 states and 53044 transitions. Word has length 546 [2021-12-06 22:29:52,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:29:52,378 INFO L470 AbstractCegarLoop]: Abstraction has 35760 states and 53044 transitions. [2021-12-06 22:29:52,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-06 22:29:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 35760 states and 53044 transitions. [2021-12-06 22:29:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2021-12-06 22:29:52,385 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:29:52,385 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-12-06 22:29:52,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 22:29:52,386 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:29:52,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:29:52,386 INFO L85 PathProgramCache]: Analyzing trace with hash -716989722, now seen corresponding path program 1 times [2021-12-06 22:29:52,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:29:52,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679005844] [2021-12-06 22:29:52,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:29:52,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:29:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:29:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:29:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:29:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:29:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:29:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:29:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:29:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:29:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:29:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:29:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:29:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:29:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:29:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:29:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:29:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:29:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:29:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:29:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:29:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:29:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:29:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:29:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:29:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:29:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:29:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:29:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:29:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:29:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:29:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:29:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:29:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:29:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:29:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:29:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:29:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 22:29:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-06 22:29:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:29:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:29:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-12-06 22:29:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-12-06 22:29:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-12-06 22:29:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2021-12-06 22:29:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:29:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-12-06 22:29:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:29:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5173 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5166 trivial. 0 not checked. [2021-12-06 22:29:53,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:29:53,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679005844] [2021-12-06 22:29:53,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679005844] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:29:53,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:29:53,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:29:53,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850169310] [2021-12-06 22:29:53,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:29:53,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:29:53,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:29:53,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:29:53,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:29:53,055 INFO L87 Difference]: Start difference. First operand 35760 states and 53044 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-06 22:29:55,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:29:58,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:00,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:11,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:30:16,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:21,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:23,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:30:23,923 INFO L93 Difference]: Finished difference Result 58930 states and 88952 transitions. [2021-12-06 22:30:23,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:30:23,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 627 [2021-12-06 22:30:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:30:24,015 INFO L225 Difference]: With dead ends: 58930 [2021-12-06 22:30:24,015 INFO L226 Difference]: Without dead ends: 23248 [2021-12-06 22:30:24,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:30:24,098 INFO L933 BasicCegarLoop]: 4230 mSDtfsCounter, 8929 mSDsluCounter, 5340 mSDsCounter, 0 mSdLazyCounter, 8788 mSolverCounterSat, 4764 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9236 SdHoareTripleChecker+Valid, 9570 SdHoareTripleChecker+Invalid, 13558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4764 IncrementalHoareTripleChecker+Valid, 8788 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:30:24,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9236 Valid, 9570 Invalid, 13558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4764 Valid, 8788 Invalid, 6 Unknown, 0 Unchecked, 29.5s Time] [2021-12-06 22:30:24,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23248 states. [2021-12-06 22:30:24,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23248 to 18753. [2021-12-06 22:30:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18753 states, 14399 states have (on average 1.425376762275158) internal successors, (20524), 14503 states have internal predecessors, (20524), 3577 states have call successors, (3577), 778 states have call predecessors, (3577), 776 states have return successors, (3589), 3547 states have call predecessors, (3589), 3569 states have call successors, (3589) [2021-12-06 22:30:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18753 states to 18753 states and 27690 transitions. [2021-12-06 22:30:24,913 INFO L78 Accepts]: Start accepts. Automaton has 18753 states and 27690 transitions. Word has length 627 [2021-12-06 22:30:24,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:30:24,914 INFO L470 AbstractCegarLoop]: Abstraction has 18753 states and 27690 transitions. [2021-12-06 22:30:24,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-06 22:30:24,914 INFO L276 IsEmpty]: Start isEmpty. Operand 18753 states and 27690 transitions. [2021-12-06 22:30:24,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2021-12-06 22:30:24,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:30:24,921 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-12-06 22:30:24,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 22:30:24,921 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:30:24,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:30:24,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1201439550, now seen corresponding path program 1 times [2021-12-06 22:30:24,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:30:24,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271164005] [2021-12-06 22:30:24,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:30:24,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:30:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:30:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:30:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:30:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:30:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:30:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:30:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:30:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:30:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:30:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:30:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:30:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:30:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:30:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:30:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:30:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:30:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:30:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:30:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:30:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:30:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:30:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:30:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:30:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:30:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:30:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:30:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:30:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:30:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:30:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:30:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:30:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:30:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:30:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:30:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:30:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 22:30:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-06 22:30:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-12-06 22:30:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-06 22:30:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:30:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:30:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-06 22:30:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2021-12-06 22:30:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2021-12-06 22:30:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:30:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2021-12-06 22:30:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:30:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5544 trivial. 0 not checked. [2021-12-06 22:30:25,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:30:25,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271164005] [2021-12-06 22:30:25,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271164005] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:30:25,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:30:25,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 22:30:25,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372710176] [2021-12-06 22:30:25,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:30:25,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 22:30:25,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:30:25,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 22:30:25,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:30:25,530 INFO L87 Difference]: Start difference. First operand 18753 states and 27690 transitions. Second operand has 10 states, 10 states have (on average 13.7) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (51), 7 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-06 22:30:26,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:30,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:47,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:30:52,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:57,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:30:59,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:00,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:31:00,122 INFO L93 Difference]: Finished difference Result 41331 states and 62764 transitions. [2021-12-06 22:31:00,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 22:31:00,123 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (51), 7 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 643 [2021-12-06 22:31:00,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:31:00,210 INFO L225 Difference]: With dead ends: 41331 [2021-12-06 22:31:00,211 INFO L226 Difference]: Without dead ends: 23213 [2021-12-06 22:31:00,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2021-12-06 22:31:00,249 INFO L933 BasicCegarLoop]: 4255 mSDtfsCounter, 4826 mSDsluCounter, 12806 mSDsCounter, 0 mSdLazyCounter, 16229 mSolverCounterSat, 3674 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5247 SdHoareTripleChecker+Valid, 17061 SdHoareTripleChecker+Invalid, 19906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3674 IncrementalHoareTripleChecker+Valid, 16229 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:31:00,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5247 Valid, 17061 Invalid, 19906 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3674 Valid, 16229 Invalid, 3 Unknown, 0 Unchecked, 33.3s Time] [2021-12-06 22:31:00,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23213 states. [2021-12-06 22:31:00,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23213 to 18683. [2021-12-06 22:31:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18683 states, 14349 states have (on average 1.4262317931563175) internal successors, (20465), 14455 states have internal predecessors, (20465), 3566 states have call successors, (3566), 769 states have call predecessors, (3566), 767 states have return successors, (3578), 3534 states have call predecessors, (3578), 3558 states have call successors, (3578) [2021-12-06 22:31:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18683 states to 18683 states and 27609 transitions. [2021-12-06 22:31:01,061 INFO L78 Accepts]: Start accepts. Automaton has 18683 states and 27609 transitions. Word has length 643 [2021-12-06 22:31:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:31:01,061 INFO L470 AbstractCegarLoop]: Abstraction has 18683 states and 27609 transitions. [2021-12-06 22:31:01,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (51), 7 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-06 22:31:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 18683 states and 27609 transitions. [2021-12-06 22:31:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2021-12-06 22:31:01,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:31:01,067 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-12-06 22:31:01,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 22:31:01,068 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:31:01,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:31:01,068 INFO L85 PathProgramCache]: Analyzing trace with hash 637131701, now seen corresponding path program 1 times [2021-12-06 22:31:01,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:31:01,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368543059] [2021-12-06 22:31:01,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:31:01,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:31:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:31:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:31:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:31:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:31:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:31:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:31:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:31:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:31:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:31:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:31:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:31:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:31:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:31:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:31:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:31:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:31:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:31:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:31:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:31:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:31:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:31:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:31:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:31:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:31:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:31:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:31:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:31:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:31:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:31:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:31:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:31:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:31:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:31:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:31:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:31:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 22:31:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-06 22:31:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-06 22:31:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:31:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:31:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-12-06 22:31:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-12-06 22:31:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-12-06 22:31:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:31:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-12-06 22:31:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:31:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5544 trivial. 0 not checked. [2021-12-06 22:31:01,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:31:01,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368543059] [2021-12-06 22:31:01,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368543059] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:31:01,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:31:01,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:31:01,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059476895] [2021-12-06 22:31:01,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:31:01,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:31:01,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:31:01,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:31:01,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:31:01,686 INFO L87 Difference]: Start difference. First operand 18683 states and 27609 transitions. Second operand has 8 states, 8 states have (on average 17.25) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-06 22:31:05,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:08,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:10,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:12,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:14,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:23,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:25,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:27,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:40,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:41,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:44,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:31:46,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:31:48,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:31:57,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:31:59,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:01,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:32:01,273 INFO L93 Difference]: Finished difference Result 54276 states and 82645 transitions. [2021-12-06 22:32:01,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 22:32:01,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 641 [2021-12-06 22:32:01,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:32:01,423 INFO L225 Difference]: With dead ends: 54276 [2021-12-06 22:32:01,423 INFO L226 Difference]: Without dead ends: 36264 [2021-12-06 22:32:01,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-06 22:32:01,470 INFO L933 BasicCegarLoop]: 5035 mSDtfsCounter, 10127 mSDsluCounter, 9985 mSDsCounter, 0 mSdLazyCounter, 17032 mSolverCounterSat, 5988 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10686 SdHoareTripleChecker+Valid, 15020 SdHoareTripleChecker+Invalid, 23031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5988 IncrementalHoareTripleChecker+Valid, 17032 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:32:01,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10686 Valid, 15020 Invalid, 23031 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5988 Valid, 17032 Invalid, 11 Unknown, 0 Unchecked, 57.7s Time] [2021-12-06 22:32:01,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36264 states. [2021-12-06 22:32:02,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36264 to 26949. [2021-12-06 22:32:02,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26949 states, 20574 states have (on average 1.4138232720909887) internal successors, (29088), 20736 states have internal predecessors, (29088), 5180 states have call successors, (5180), 1196 states have call predecessors, (5180), 1194 states have return successors, (5196), 5139 states have call predecessors, (5196), 5172 states have call successors, (5196) [2021-12-06 22:32:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26949 states to 26949 states and 39464 transitions. [2021-12-06 22:32:02,719 INFO L78 Accepts]: Start accepts. Automaton has 26949 states and 39464 transitions. Word has length 641 [2021-12-06 22:32:02,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:32:02,720 INFO L470 AbstractCegarLoop]: Abstraction has 26949 states and 39464 transitions. [2021-12-06 22:32:02,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.25) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-06 22:32:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 26949 states and 39464 transitions. [2021-12-06 22:32:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2021-12-06 22:32:02,728 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:32:02,728 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-12-06 22:32:02,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 22:32:02,729 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:32:02,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:32:02,729 INFO L85 PathProgramCache]: Analyzing trace with hash 226047442, now seen corresponding path program 1 times [2021-12-06 22:32:02,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:32:02,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402684211] [2021-12-06 22:32:02,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:32:02,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:32:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:32:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:32:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:32:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:32:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:32:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:32:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:32:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:32:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:32:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:32:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:32:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:32:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:32:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:32:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:32:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:32:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:32:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:32:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:32:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:32:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:32:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:32:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:32:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:32:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:32:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:32:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:32:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:32:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:32:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:32:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:32:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:32:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:32:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:32:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:32:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 22:32:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-06 22:32:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-06 22:32:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:32:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:32:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2021-12-06 22:32:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-12-06 22:32:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-12-06 22:32:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:32:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2021-12-06 22:32:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:32:03,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5551 trivial. 0 not checked. [2021-12-06 22:32:03,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:32:03,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402684211] [2021-12-06 22:32:03,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402684211] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:32:03,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:32:03,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:32:03,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738121249] [2021-12-06 22:32:03,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:32:03,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:32:03,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:32:03,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:32:03,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:32:03,336 INFO L87 Difference]: Start difference. First operand 26949 states and 39464 transitions. Second operand has 8 states, 8 states have (on average 16.5) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-06 22:32:05,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:08,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:10,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:22,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:24,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:39,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:32:46,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:32:48,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:32:50,625 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:32:52,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:33:00,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:02,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:04,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:06,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:08,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:33:08,367 INFO L93 Difference]: Finished difference Result 60143 states and 90683 transitions. [2021-12-06 22:33:08,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 22:33:08,367 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 642 [2021-12-06 22:33:08,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:33:08,521 INFO L225 Difference]: With dead ends: 60143 [2021-12-06 22:33:08,521 INFO L226 Difference]: Without dead ends: 33865 [2021-12-06 22:33:08,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-06 22:33:08,604 INFO L933 BasicCegarLoop]: 6664 mSDtfsCounter, 10018 mSDsluCounter, 9710 mSDsCounter, 0 mSdLazyCounter, 18833 mSolverCounterSat, 6742 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10693 SdHoareTripleChecker+Valid, 16374 SdHoareTripleChecker+Invalid, 25588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6742 IncrementalHoareTripleChecker+Valid, 18833 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:33:08,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10693 Valid, 16374 Invalid, 25588 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6742 Valid, 18833 Invalid, 13 Unknown, 0 Unchecked, 63.0s Time] [2021-12-06 22:33:08,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33865 states. [2021-12-06 22:33:09,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33865 to 26901. [2021-12-06 22:33:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26901 states, 20542 states have (on average 1.4138837503651056) internal successors, (29044), 20709 states have internal predecessors, (29044), 5169 states have call successors, (5169), 1186 states have call predecessors, (5169), 1189 states have return successors, (5166), 5128 states have call predecessors, (5166), 5154 states have call successors, (5166) [2021-12-06 22:33:09,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26901 states to 26901 states and 39379 transitions. [2021-12-06 22:33:09,899 INFO L78 Accepts]: Start accepts. Automaton has 26901 states and 39379 transitions. Word has length 642 [2021-12-06 22:33:09,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:33:09,900 INFO L470 AbstractCegarLoop]: Abstraction has 26901 states and 39379 transitions. [2021-12-06 22:33:09,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.5) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-06 22:33:09,900 INFO L276 IsEmpty]: Start isEmpty. Operand 26901 states and 39379 transitions. [2021-12-06 22:33:09,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2021-12-06 22:33:09,908 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:33:09,908 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-12-06 22:33:09,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 22:33:09,908 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:33:09,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:33:09,909 INFO L85 PathProgramCache]: Analyzing trace with hash -182776783, now seen corresponding path program 1 times [2021-12-06 22:33:09,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:33:09,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57525169] [2021-12-06 22:33:09,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:33:09,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:33:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:33:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:33:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:33:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:33:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:33:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:33:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:33:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:33:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:33:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:33:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:33:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:33:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:33:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:33:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:33:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:33:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:33:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:33:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:33:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:33:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:33:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:33:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:33:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:33:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:33:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:33:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:33:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:33:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:33:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:33:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:33:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:33:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:33:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:33:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:33:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 22:33:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-06 22:33:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-06 22:33:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2021-12-06 22:33:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-12-06 22:33:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2021-12-06 22:33:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:33:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2021-12-06 22:33:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5551 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5551 trivial. 0 not checked. [2021-12-06 22:33:10,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:33:10,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57525169] [2021-12-06 22:33:10,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57525169] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:33:10,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:33:10,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 22:33:10,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491608737] [2021-12-06 22:33:10,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:33:10,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 22:33:10,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:33:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 22:33:10,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:33:10,836 INFO L87 Difference]: Start difference. First operand 26901 states and 39379 transitions. Second operand has 11 states, 11 states have (on average 12.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (50), 7 states have call predecessors, (50), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-06 22:33:12,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:13,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:16,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:18,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:33,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:41,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:33:49,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:50,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:33:50,312 INFO L93 Difference]: Finished difference Result 38119 states and 58221 transitions. [2021-12-06 22:33:50,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:33:50,313 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (50), 7 states have call predecessors, (50), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 642 [2021-12-06 22:33:50,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:33:50,442 INFO L225 Difference]: With dead ends: 38119 [2021-12-06 22:33:50,442 INFO L226 Difference]: Without dead ends: 32815 [2021-12-06 22:33:50,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2021-12-06 22:33:50,471 INFO L933 BasicCegarLoop]: 4143 mSDtfsCounter, 4465 mSDsluCounter, 14667 mSDsCounter, 0 mSdLazyCounter, 18633 mSolverCounterSat, 3023 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4857 SdHoareTripleChecker+Valid, 18810 SdHoareTripleChecker+Invalid, 21660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3023 IncrementalHoareTripleChecker+Valid, 18633 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:33:50,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4857 Valid, 18810 Invalid, 21660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3023 Valid, 18633 Invalid, 4 Unknown, 0 Unchecked, 37.7s Time] [2021-12-06 22:33:50,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32815 states. [2021-12-06 22:33:51,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32815 to 26026. [2021-12-06 22:33:51,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26026 states, 19824 states have (on average 1.4101089588377724) internal successors, (27954), 19987 states have internal predecessors, (27954), 5032 states have call successors, (5032), 1166 states have call predecessors, (5032), 1169 states have return successors, (5030), 4995 states have call predecessors, (5030), 5018 states have call successors, (5030) [2021-12-06 22:33:51,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26026 states to 26026 states and 38016 transitions. [2021-12-06 22:33:51,736 INFO L78 Accepts]: Start accepts. Automaton has 26026 states and 38016 transitions. Word has length 642 [2021-12-06 22:33:51,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:33:51,737 INFO L470 AbstractCegarLoop]: Abstraction has 26026 states and 38016 transitions. [2021-12-06 22:33:51,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.0) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (50), 7 states have call predecessors, (50), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2021-12-06 22:33:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 26026 states and 38016 transitions. [2021-12-06 22:33:51,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2021-12-06 22:33:51,742 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:33:51,743 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-12-06 22:33:51,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 22:33:51,743 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:33:51,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:33:51,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2141738565, now seen corresponding path program 1 times [2021-12-06 22:33:51,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:33:51,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677057187] [2021-12-06 22:33:51,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:33:51,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:33:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:33:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:33:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:33:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:33:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:33:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:33:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:33:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:33:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:33:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:33:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:33:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:33:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:33:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:33:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:33:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:33:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:33:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:33:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:33:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:33:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:33:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:33:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:33:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:33:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:33:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:33:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:33:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:33:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:33:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:33:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:33:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:33:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:33:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:33:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:33:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 22:33:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-06 22:33:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-06 22:33:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:33:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:33:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-12-06 22:33:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-12-06 22:33:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-06 22:33:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-12-06 22:33:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-12-06 22:33:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2021-12-06 22:33:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:33:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5554 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5554 trivial. 0 not checked. [2021-12-06 22:33:52,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:33:52,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677057187] [2021-12-06 22:33:52,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677057187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:33:52,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:33:52,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:33:52,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005607123] [2021-12-06 22:33:52,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:33:52,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:33:52,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:33:52,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:33:52,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:33:52,308 INFO L87 Difference]: Start difference. First operand 26026 states and 38016 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-12-06 22:33:54,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:33:56,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:34:14,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:34:20,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:34:21,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:34:21,667 INFO L93 Difference]: Finished difference Result 32817 states and 50446 transitions. [2021-12-06 22:34:21,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 22:34:21,668 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 643 [2021-12-06 22:34:21,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:34:21,827 INFO L225 Difference]: With dead ends: 32817 [2021-12-06 22:34:21,827 INFO L226 Difference]: Without dead ends: 32814 [2021-12-06 22:34:21,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-06 22:34:21,849 INFO L933 BasicCegarLoop]: 5272 mSDtfsCounter, 8739 mSDsluCounter, 4252 mSDsCounter, 0 mSdLazyCounter, 11481 mSolverCounterSat, 6789 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9194 SdHoareTripleChecker+Valid, 9524 SdHoareTripleChecker+Invalid, 18273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6789 IncrementalHoareTripleChecker+Valid, 11481 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:34:21,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9194 Valid, 9524 Invalid, 18273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6789 Valid, 11481 Invalid, 3 Unknown, 0 Unchecked, 27.7s Time] [2021-12-06 22:34:21,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32814 states. [2021-12-06 22:34:23,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32814 to 26025. [2021-12-06 22:34:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26025 states, 19824 states have (on average 1.4097054075867634) internal successors, (27946), 19986 states have internal predecessors, (27946), 5031 states have call successors, (5031), 1166 states have call predecessors, (5031), 1169 states have return successors, (5030), 4995 states have call predecessors, (5030), 5018 states have call successors, (5030) [2021-12-06 22:34:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26025 states to 26025 states and 38007 transitions. [2021-12-06 22:34:23,144 INFO L78 Accepts]: Start accepts. Automaton has 26025 states and 38007 transitions. Word has length 643 [2021-12-06 22:34:23,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:34:23,144 INFO L470 AbstractCegarLoop]: Abstraction has 26025 states and 38007 transitions. [2021-12-06 22:34:23,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (50), 8 states have call predecessors, (50), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-12-06 22:34:23,145 INFO L276 IsEmpty]: Start isEmpty. Operand 26025 states and 38007 transitions. [2021-12-06 22:34:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2021-12-06 22:34:23,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:34:23,152 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 22:34:23,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 22:34:23,152 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:34:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:34:23,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1519529054, now seen corresponding path program 1 times [2021-12-06 22:34:23,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:34:23,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805347396] [2021-12-06 22:34:23,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:34:23,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:34:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:34:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:34:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:34:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:34:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:34:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:34:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:34:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:34:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:34:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:34:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:34:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:34:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:34:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:34:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:34:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:34:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:34:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:34:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:34:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:34:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:34:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:34:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:34:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:34:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:34:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:34:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:34:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:34:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:34:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:34:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:34:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:34:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:34:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:34:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:34:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 22:34:23,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-06 22:34:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-06 22:34:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-12-06 22:34:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:34:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:34:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:34:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:34:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2021-12-06 22:34:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2021-12-06 22:34:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:34:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5583 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5557 trivial. 0 not checked. [2021-12-06 22:34:23,759 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:34:23,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805347396] [2021-12-06 22:34:23,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805347396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:34:23,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:34:23,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 22:34:23,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601010722] [2021-12-06 22:34:23,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:34:23,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 22:34:23,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:34:23,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 22:34:23,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:34:23,761 INFO L87 Difference]: Start difference. First operand 26025 states and 38007 transitions. Second operand has 12 states, 12 states have (on average 11.75) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (52), 8 states have call predecessors, (52), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 22:34:28,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:34:30,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:34:43,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:34:52,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:34:54,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:35:01,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:03,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:04,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:35:04,486 INFO L93 Difference]: Finished difference Result 42051 states and 63823 transitions. [2021-12-06 22:35:04,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:35:04,486 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (52), 8 states have call predecessors, (52), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 659 [2021-12-06 22:35:04,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:35:04,642 INFO L225 Difference]: With dead ends: 42051 [2021-12-06 22:35:04,642 INFO L226 Difference]: Without dead ends: 32800 [2021-12-06 22:35:04,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-12-06 22:35:04,687 INFO L933 BasicCegarLoop]: 4135 mSDtfsCounter, 5542 mSDsluCounter, 14252 mSDsCounter, 0 mSdLazyCounter, 18370 mSolverCounterSat, 4433 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5994 SdHoareTripleChecker+Valid, 18387 SdHoareTripleChecker+Invalid, 22808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4433 IncrementalHoareTripleChecker+Valid, 18370 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:35:04,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5994 Valid, 18387 Invalid, 22808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4433 Valid, 18370 Invalid, 5 Unknown, 0 Unchecked, 38.9s Time] [2021-12-06 22:35:04,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32800 states. [2021-12-06 22:35:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32800 to 26011. [2021-12-06 22:35:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26011 states, 19814 states have (on average 1.4097103058443525) internal successors, (27932), 19976 states have internal predecessors, (27932), 5031 states have call successors, (5031), 1166 states have call predecessors, (5031), 1165 states have return successors, (5026), 4991 states have call predecessors, (5026), 5018 states have call successors, (5026) [2021-12-06 22:35:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26011 states to 26011 states and 37989 transitions. [2021-12-06 22:35:05,995 INFO L78 Accepts]: Start accepts. Automaton has 26011 states and 37989 transitions. Word has length 659 [2021-12-06 22:35:05,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:35:05,996 INFO L470 AbstractCegarLoop]: Abstraction has 26011 states and 37989 transitions. [2021-12-06 22:35:05,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.75) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (52), 8 states have call predecessors, (52), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-06 22:35:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 26011 states and 37989 transitions. [2021-12-06 22:35:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2021-12-06 22:35:06,010 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:35:06,010 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:35:06,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 22:35:06,010 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:35:06,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:35:06,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1874986281, now seen corresponding path program 1 times [2021-12-06 22:35:06,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:35:06,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940447571] [2021-12-06 22:35:06,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:35:06,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:35:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:35:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:35:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:35:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:35:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:35:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:35:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:35:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:35:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:35:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:35:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:35:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:35:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:35:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:35:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:35:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:35:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:35:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:35:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:35:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:35:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:35:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:35:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:35:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:35:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:35:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:35:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:35:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:35:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:35:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:35:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:35:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:35:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:35:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:35:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:35:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 22:35:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-06 22:35:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-06 22:35:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:35:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:35:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-12-06 22:35:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-12-06 22:35:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-06 22:35:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-12-06 22:35:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-12-06 22:35:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2021-12-06 22:35:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2021-12-06 22:35:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2021-12-06 22:35:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2021-12-06 22:35:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2021-12-06 22:35:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2021-12-06 22:35:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:35:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2021-12-06 22:35:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:35:06,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5571 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5554 trivial. 0 not checked. [2021-12-06 22:35:06,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:35:06,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940447571] [2021-12-06 22:35:06,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940447571] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:35:06,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:35:06,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 22:35:06,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943871088] [2021-12-06 22:35:06,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:35:06,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 22:35:06,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:35:06,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 22:35:06,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:35:06,656 INFO L87 Difference]: Start difference. First operand 26011 states and 37989 transitions. Second operand has 12 states, 12 states have (on average 14.416666666666666) internal successors, (173), 6 states have internal predecessors, (173), 3 states have call successors, (57), 8 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-12-06 22:35:09,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:10,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:13,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:15,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:17,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:40,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:42,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:45,080 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:55,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:35:58,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:36:06,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:36:25,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:36:27,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:36:29,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:36:31,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:36:33,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:36:33,847 INFO L93 Difference]: Finished difference Result 72817 states and 109918 transitions. [2021-12-06 22:36:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 22:36:33,848 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.416666666666666) internal successors, (173), 6 states have internal predecessors, (173), 3 states have call successors, (57), 8 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 700 [2021-12-06 22:36:33,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:36:34,087 INFO L225 Difference]: With dead ends: 72817 [2021-12-06 22:36:34,087 INFO L226 Difference]: Without dead ends: 47477 [2021-12-06 22:36:34,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=699, Unknown=0, NotChecked=0, Total=870 [2021-12-06 22:36:34,179 INFO L933 BasicCegarLoop]: 6873 mSDtfsCounter, 10843 mSDsluCounter, 21402 mSDsCounter, 0 mSdLazyCounter, 39060 mSolverCounterSat, 7816 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10970 SdHoareTripleChecker+Valid, 28275 SdHoareTripleChecker+Invalid, 46885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7816 IncrementalHoareTripleChecker+Valid, 39060 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:36:34,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10970 Valid, 28275 Invalid, 46885 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7816 Valid, 39060 Invalid, 9 Unknown, 0 Unchecked, 84.1s Time] [2021-12-06 22:36:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47477 states. [2021-12-06 22:36:35,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47477 to 35124. [2021-12-06 22:36:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35124 states, 26694 states have (on average 1.4058964561324643) internal successors, (37529), 26916 states have internal predecessors, (37529), 6845 states have call successors, (6845), 1585 states have call predecessors, (6845), 1584 states have return successors, (6840), 6790 states have call predecessors, (6840), 6830 states have call successors, (6840) [2021-12-06 22:36:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35124 states to 35124 states and 51214 transitions. [2021-12-06 22:36:36,091 INFO L78 Accepts]: Start accepts. Automaton has 35124 states and 51214 transitions. Word has length 700 [2021-12-06 22:36:36,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:36:36,092 INFO L470 AbstractCegarLoop]: Abstraction has 35124 states and 51214 transitions. [2021-12-06 22:36:36,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.416666666666666) internal successors, (173), 6 states have internal predecessors, (173), 3 states have call successors, (57), 8 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-12-06 22:36:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 35124 states and 51214 transitions. [2021-12-06 22:36:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2021-12-06 22:36:36,118 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:36:36,119 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 22:36:36,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 22:36:36,119 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:36:36,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:36:36,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2007263576, now seen corresponding path program 1 times [2021-12-06 22:36:36,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:36:36,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441130509] [2021-12-06 22:36:36,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:36:36,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:36:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:36:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:36:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:36:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:36:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 22:36:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 22:36:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:36:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 22:36:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:36:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:36:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 22:36:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 22:36:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:36:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:36:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 22:36:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 22:36:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 22:36:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 22:36:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 22:36:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 22:36:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 22:36:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-06 22:36:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 22:36:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-06 22:36:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-06 22:36:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-06 22:36:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 22:36:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-06 22:36:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-06 22:36:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-06 22:36:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-06 22:36:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-06 22:36:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-06 22:36:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 22:36:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-06 22:36:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 22:36:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-06 22:36:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-06 22:36:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:36:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:36:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-12-06 22:36:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-12-06 22:36:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-06 22:36:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2021-12-06 22:36:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-12-06 22:36:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2021-12-06 22:36:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-12-06 22:36:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2021-12-06 22:36:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2021-12-06 22:36:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-12-06 22:36:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2021-12-06 22:36:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2021-12-06 22:36:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2021-12-06 22:36:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2021-12-06 22:36:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-12-06 22:36:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2021-12-06 22:36:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2021-12-06 22:36:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:36:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2021-12-06 22:36:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:36:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5592 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 5575 trivial. 0 not checked. [2021-12-06 22:36:36,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:36:36,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441130509] [2021-12-06 22:36:36,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441130509] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:36:36,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:36:36,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 22:36:36,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94530679] [2021-12-06 22:36:36,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:36:36,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 22:36:36,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:36:36,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 22:36:36,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:36:36,794 INFO L87 Difference]: Start difference. First operand 35124 states and 51214 transitions. Second operand has 10 states, 10 states have (on average 20.0) internal successors, (200), 4 states have internal predecessors, (200), 2 states have call successors, (63), 8 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2021-12-06 22:36:38,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:36:41,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:36:43,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:36:45,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:36:47,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:37:12,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:37:14,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:37:20,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:37:23,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:37:26,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:37:28,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:37:30,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-06 22:37:32,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []