./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-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 02:21:33,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 02:21:33,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 02:21:34,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 02:21:34,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 02:21:34,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 02:21:34,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 02:21:34,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 02:21:34,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 02:21:34,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 02:21:34,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 02:21:34,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 02:21:34,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 02:21:34,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 02:21:34,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 02:21:34,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 02:21:34,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 02:21:34,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 02:21:34,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 02:21:34,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 02:21:34,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 02:21:34,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 02:21:34,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 02:21:34,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 02:21:34,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 02:21:34,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 02:21:34,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 02:21:34,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 02:21:34,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 02:21:34,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 02:21:34,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 02:21:34,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 02:21:34,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 02:21:34,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 02:21:34,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 02:21:34,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 02:21:34,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 02:21:34,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 02:21:34,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 02:21:34,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 02:21:34,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 02:21:34,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 02:21:34,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 02:21:34,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 02:21:34,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 02:21:34,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 02:21:34,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 02:21:34,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 02:21:34,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 02:21:34,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 02:21:34,080 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 02:21:34,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 02:21:34,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 02:21:34,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 02:21:34,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 02:21:34,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 02:21:34,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 02:21:34,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 02:21:34,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 02:21:34,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 02:21:34,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 02:21:34,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 02:21:34,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 02:21:34,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 02:21:34,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 02:21:34,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 02:21:34,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 02:21:34,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 02:21:34,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 02:21:34,084 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 02:21:34,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 02:21:34,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 02:21:34,085 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 02:21:34,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2021-11-17 02:21:34,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 02:21:34,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 02:21:34,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 02:21:34,265 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 02:21:34,266 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 02:21:34,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-11-17 02:21:34,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6edac29ea/ff0a3ca4b3eb4be794b1ded1fddf03dc/FLAG82f8947c2 [2021-11-17 02:21:34,906 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 02:21:34,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-11-17 02:21:34,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6edac29ea/ff0a3ca4b3eb4be794b1ded1fddf03dc/FLAG82f8947c2 [2021-11-17 02:21:35,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6edac29ea/ff0a3ca4b3eb4be794b1ded1fddf03dc [2021-11-17 02:21:35,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 02:21:35,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 02:21:35,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 02:21:35,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 02:21:35,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 02:21:35,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:21:35" (1/1) ... [2021-11-17 02:21:35,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@789e9fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:35, skipping insertion in model container [2021-11-17 02:21:35,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:21:35" (1/1) ... [2021-11-17 02:21:35,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 02:21:35,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 02:21:36,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2021-11-17 02:21:36,853 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 02:21:36,888 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 02:21:37,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2021-11-17 02:21:37,246 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 02:21:37,362 INFO L208 MainTranslator]: Completed translation [2021-11-17 02:21:37,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37 WrapperNode [2021-11-17 02:21:37,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 02:21:37,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 02:21:37,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 02:21:37,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 02:21:37,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:37,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:37,701 INFO L137 Inliner]: procedures = 371, calls = 4454, calls flagged for inlining = 165, calls inlined = 164, statements flattened = 10018 [2021-11-17 02:21:37,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 02:21:37,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 02:21:37,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 02:21:37,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 02:21:37,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:37,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:37,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:37,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:37,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:37,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:37,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:37,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 02:21:38,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 02:21:38,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 02:21:38,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 02:21:38,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (1/1) ... [2021-11-17 02:21:38,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 02:21:38,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 02:21:38,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 02:21:38,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 02:21:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 02:21:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 02:21:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2021-11-17 02:21:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2021-11-17 02:21:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2021-11-17 02:21:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2021-11-17 02:21:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2021-11-17 02:21:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2021-11-17 02:21:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2021-11-17 02:21:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2021-11-17 02:21:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-17 02:21:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-17 02:21:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2021-11-17 02:21:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2021-11-17 02:21:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2021-11-17 02:21:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2021-11-17 02:21:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 02:21:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 02:21:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 02:21:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 02:21:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 02:21:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 02:21:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2021-11-17 02:21:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2021-11-17 02:21:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2021-11-17 02:21:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2021-11-17 02:21:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2021-11-17 02:21:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2021-11-17 02:21:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2021-11-17 02:21:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2021-11-17 02:21:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2021-11-17 02:21:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2021-11-17 02:21:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2021-11-17 02:21:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2021-11-17 02:21:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2021-11-17 02:21:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2021-11-17 02:21:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-17 02:21:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-17 02:21:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2021-11-17 02:21:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2021-11-17 02:21:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 02:21:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 02:21:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2021-11-17 02:21:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2021-11-17 02:21:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-17 02:21:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-17 02:21:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2021-11-17 02:21:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2021-11-17 02:21:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2021-11-17 02:21:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2021-11-17 02:21:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2021-11-17 02:21:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2021-11-17 02:21:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 02:21:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 02:21:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-17 02:21:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-17 02:21:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 02:21:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 02:21:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2021-11-17 02:21:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2021-11-17 02:21:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2021-11-17 02:21:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2021-11-17 02:21:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2021-11-17 02:21:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2021-11-17 02:21:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-17 02:21:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-17 02:21:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2021-11-17 02:21:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2021-11-17 02:21:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 02:21:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 02:21:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2021-11-17 02:21:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2021-11-17 02:21:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 02:21:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 02:21:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 02:21:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 02:21:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 02:21:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 02:21:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2021-11-17 02:21:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2021-11-17 02:21:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2021-11-17 02:21:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2021-11-17 02:21:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 02:21:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 02:21:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2021-11-17 02:21:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2021-11-17 02:21:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2021-11-17 02:21:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2021-11-17 02:21:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-11-17 02:21:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-11-17 02:21:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 02:21:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 02:21:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2021-11-17 02:21:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2021-11-17 02:21:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 02:21:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 02:21:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 02:21:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2021-11-17 02:21:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2021-11-17 02:21:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 02:21:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2021-11-17 02:21:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2021-11-17 02:21:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2021-11-17 02:21:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2021-11-17 02:21:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2021-11-17 02:21:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2021-11-17 02:21:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2021-11-17 02:21:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2021-11-17 02:21:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2021-11-17 02:21:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2021-11-17 02:21:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 02:21:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2021-11-17 02:21:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2021-11-17 02:21:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-17 02:21:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-17 02:21:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-17 02:21:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-11-17 02:21:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-11-17 02:21:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 02:21:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 02:21:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2021-11-17 02:21:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2021-11-17 02:21:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-11-17 02:21:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-11-17 02:21:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2021-11-17 02:21:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2021-11-17 02:21:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-17 02:21:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-17 02:21:38,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 02:21:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 02:21:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-17 02:21:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-17 02:21:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2021-11-17 02:21:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2021-11-17 02:21:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2021-11-17 02:21:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2021-11-17 02:21:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2021-11-17 02:21:38,080 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2021-11-17 02:21:38,080 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-17 02:21:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-17 02:21:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 02:21:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 02:21:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-17 02:21:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-17 02:21:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-17 02:21:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-17 02:21:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 02:21:38,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 02:21:38,081 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2021-11-17 02:21:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2021-11-17 02:21:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 02:21:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 02:21:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-11-17 02:21:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-11-17 02:21:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 02:21:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 02:21:38,082 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2021-11-17 02:21:38,082 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2021-11-17 02:21:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 02:21:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 02:21:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2021-11-17 02:21:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2021-11-17 02:21:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2021-11-17 02:21:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2021-11-17 02:21:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 02:21:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 02:21:38,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 02:21:38,083 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2021-11-17 02:21:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2021-11-17 02:21:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 02:21:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 02:21:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 02:21:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2021-11-17 02:21:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2021-11-17 02:21:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2021-11-17 02:21:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2021-11-17 02:21:38,084 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2021-11-17 02:21:38,084 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2021-11-17 02:21:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-17 02:21:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-17 02:21:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 02:21:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2021-11-17 02:21:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2021-11-17 02:21:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 02:21:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 02:21:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2021-11-17 02:21:38,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2021-11-17 02:21:38,085 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2021-11-17 02:21:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2021-11-17 02:21:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-17 02:21:38,086 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-17 02:21:38,086 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2021-11-17 02:21:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2021-11-17 02:21:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 02:21:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 02:21:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-17 02:21:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-17 02:21:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2021-11-17 02:21:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2021-11-17 02:21:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-11-17 02:21:38,087 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-11-17 02:21:38,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 02:21:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 02:21:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 02:21:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2021-11-17 02:21:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2021-11-17 02:21:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2021-11-17 02:21:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2021-11-17 02:21:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-11-17 02:21:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-11-17 02:21:38,088 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-17 02:21:38,088 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-17 02:21:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 02:21:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 02:21:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 02:21:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 02:21:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 02:21:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 02:21:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 02:21:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2021-11-17 02:21:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2021-11-17 02:21:38,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 02:21:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 02:21:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 02:21:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 02:21:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 02:21:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2021-11-17 02:21:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2021-11-17 02:21:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-17 02:21:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-17 02:21:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 02:21:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 02:21:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-17 02:21:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-17 02:21:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 02:21:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2021-11-17 02:21:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2021-11-17 02:21:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-17 02:21:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-17 02:21:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 02:21:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 02:21:38,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 02:21:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-17 02:21:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-17 02:21:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 02:21:38,092 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 02:21:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2021-11-17 02:21:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2021-11-17 02:21:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 02:21:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 02:21:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2021-11-17 02:21:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2021-11-17 02:21:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2021-11-17 02:21:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2021-11-17 02:21:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2021-11-17 02:21:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2021-11-17 02:21:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-17 02:21:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-17 02:21:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2021-11-17 02:21:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2021-11-17 02:21:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 02:21:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 02:21:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2021-11-17 02:21:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2021-11-17 02:21:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-17 02:21:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-17 02:21:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-17 02:21:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-17 02:21:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2021-11-17 02:21:38,097 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2021-11-17 02:21:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 02:21:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 02:21:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2021-11-17 02:21:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2021-11-17 02:21:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-11-17 02:21:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-11-17 02:21:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2021-11-17 02:21:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2021-11-17 02:21:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2021-11-17 02:21:38,098 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2021-11-17 02:21:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 02:21:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 02:21:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2021-11-17 02:21:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2021-11-17 02:21:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 02:21:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 02:21:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-11-17 02:21:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-11-17 02:21:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2021-11-17 02:21:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2021-11-17 02:21:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 02:21:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 02:21:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2021-11-17 02:21:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2021-11-17 02:21:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 02:21:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 02:21:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2021-11-17 02:21:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2021-11-17 02:21:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2021-11-17 02:21:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2021-11-17 02:21:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 02:21:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2021-11-17 02:21:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2021-11-17 02:21:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2021-11-17 02:21:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2021-11-17 02:21:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 02:21:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 02:21:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-17 02:21:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2021-11-17 02:21:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 02:21:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 02:21:39,006 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 02:21:39,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 02:21:39,423 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 02:22:01,956 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 02:22:01,987 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 02:22:01,987 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 02:22:01,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:22:01 BoogieIcfgContainer [2021-11-17 02:22:01,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 02:22:01,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 02:22:01,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 02:22:01,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 02:22:01,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:21:35" (1/3) ... [2021-11-17 02:22:01,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b9a8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:22:01, skipping insertion in model container [2021-11-17 02:22:01,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:21:37" (2/3) ... [2021-11-17 02:22:01,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22b9a8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:22:01, skipping insertion in model container [2021-11-17 02:22:01,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:22:01" (3/3) ... [2021-11-17 02:22:01,996 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2021-11-17 02:22:02,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 02:22:02,000 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 02:22:02,037 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 02:22:02,041 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 02:22:02,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 02:22:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 3003 states, 1984 states have (on average 1.3634072580645162) internal successors, (2705), 2060 states have internal predecessors, (2705), 872 states have call successors, (872), 146 states have call predecessors, (872), 145 states have return successors, (863), 857 states have call predecessors, (863), 863 states have call successors, (863) [2021-11-17 02:22:02,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-11-17 02:22:02,121 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:22:02,121 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 02:22:02,122 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:22:02,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:22:02,126 INFO L85 PathProgramCache]: Analyzing trace with hash 959065383, now seen corresponding path program 1 times [2021-11-17 02:22:02,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:22:02,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401160880] [2021-11-17 02:22:02,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:22:02,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:22:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:22:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:22:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:22:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:22:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:22:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:22:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:22:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:02,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:22:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:22:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:22:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:22:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:22:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:22:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:22:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:22:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:22:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:22:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:22:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:22:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:22:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:22:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:22:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:22:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:22:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:22:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:22:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:22:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:22:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2021-11-17 02:22:03,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:22:03,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401160880] [2021-11-17 02:22:03,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401160880] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:22:03,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:22:03,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 02:22:03,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332030189] [2021-11-17 02:22:03,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:22:03,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 02:22:03,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:22:03,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 02:22:03,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 02:22:03,686 INFO L87 Difference]: Start difference. First operand has 3003 states, 1984 states have (on average 1.3634072580645162) internal successors, (2705), 2060 states have internal predecessors, (2705), 872 states have call successors, (872), 146 states have call predecessors, (872), 145 states have return successors, (863), 857 states have call predecessors, (863), 863 states have call successors, (863) Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 02:22:05,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:07,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:12,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:14,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:17,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:19,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:23,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:26,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:28,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:30,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:34,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:35,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:37,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:40,752 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:45,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:47,126 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:49,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:55,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:57,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:59,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:22:59,298 INFO L93 Difference]: Finished difference Result 6657 states and 10496 transitions. [2021-11-17 02:22:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 02:22:59,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 417 [2021-11-17 02:22:59,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:22:59,337 INFO L225 Difference]: With dead ends: 6657 [2021-11-17 02:22:59,338 INFO L226 Difference]: Without dead ends: 3643 [2021-11-17 02:22:59,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-17 02:22:59,361 INFO L933 BasicCegarLoop]: 4473 mSDtfsCounter, 1792 mSDsluCounter, 5018 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 2229 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 9491 SdHoareTripleChecker+Invalid, 6942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2229 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.0s IncrementalHoareTripleChecker+Time [2021-11-17 02:22:59,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1964 Valid, 9491 Invalid, 6942 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2229 Valid, 4699 Invalid, 14 Unknown, 0 Unchecked, 55.0s Time] [2021-11-17 02:22:59,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3643 states. [2021-11-17 02:22:59,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3643 to 2987. [2021-11-17 02:22:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2987 states, 1979 states have (on average 1.3582617483577564) internal successors, (2688), 2044 states have internal predecessors, (2688), 863 states have call successors, (863), 145 states have call predecessors, (863), 144 states have return successors, (861), 855 states have call predecessors, (861), 861 states have call successors, (861) [2021-11-17 02:22:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2987 states and 4412 transitions. [2021-11-17 02:22:59,553 INFO L78 Accepts]: Start accepts. Automaton has 2987 states and 4412 transitions. Word has length 417 [2021-11-17 02:22:59,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:22:59,555 INFO L470 AbstractCegarLoop]: Abstraction has 2987 states and 4412 transitions. [2021-11-17 02:22:59,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 02:22:59,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 4412 transitions. [2021-11-17 02:22:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-11-17 02:22:59,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:22:59,567 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 02:22:59,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 02:22:59,568 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:22:59,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:22:59,568 INFO L85 PathProgramCache]: Analyzing trace with hash -198363579, now seen corresponding path program 1 times [2021-11-17 02:22:59,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:22:59,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872097825] [2021-11-17 02:22:59,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:22:59,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:22:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:22:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:22:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:23:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:23:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:23:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:23:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:23:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:23:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:23:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:23:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:23:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:23:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:23:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:23:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:23:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:23:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:23:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:23:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:23:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:23:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:23:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:23:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:23:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:23:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:23:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:23:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:23:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:23:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2021-11-17 02:23:00,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:23:00,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872097825] [2021-11-17 02:23:00,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872097825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:23:00,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:23:00,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 02:23:00,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386645629] [2021-11-17 02:23:00,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:23:00,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 02:23:00,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:23:00,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 02:23:00,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 02:23:00,853 INFO L87 Difference]: Start difference. First operand 2987 states and 4412 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 02:23:02,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:12,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:14,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:17,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:19,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:21,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:24,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:27,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:30,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:32,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:35,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:38,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:39,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:43,077 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:45,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:51,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:54,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:56,455 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:59,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:23:59,108 INFO L93 Difference]: Finished difference Result 10133 states and 15940 transitions. [2021-11-17 02:23:59,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 02:23:59,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 417 [2021-11-17 02:23:59,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:23:59,145 INFO L225 Difference]: With dead ends: 10133 [2021-11-17 02:23:59,145 INFO L226 Difference]: Without dead ends: 7190 [2021-11-17 02:23:59,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 02:23:59,161 INFO L933 BasicCegarLoop]: 5273 mSDtfsCounter, 8768 mSDsluCounter, 7810 mSDsCounter, 0 mSdLazyCounter, 6495 mSolverCounterSat, 6061 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9419 SdHoareTripleChecker+Valid, 13083 SdHoareTripleChecker+Invalid, 12566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6061 IncrementalHoareTripleChecker+Valid, 6495 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.4s IncrementalHoareTripleChecker+Time [2021-11-17 02:23:59,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9419 Valid, 13083 Invalid, 12566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6061 Valid, 6495 Invalid, 10 Unknown, 0 Unchecked, 57.4s Time] [2021-11-17 02:23:59,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7190 states. [2021-11-17 02:23:59,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7190 to 6344. [2021-11-17 02:23:59,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6344 states, 4229 states have (on average 1.3580042563253725) internal successors, (5743), 4354 states have internal predecessors, (5743), 1790 states have call successors, (1790), 286 states have call predecessors, (1790), 324 states have return successors, (2043), 1824 states have call predecessors, (2043), 1788 states have call successors, (2043) [2021-11-17 02:23:59,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6344 states to 6344 states and 9576 transitions. [2021-11-17 02:23:59,379 INFO L78 Accepts]: Start accepts. Automaton has 6344 states and 9576 transitions. Word has length 417 [2021-11-17 02:23:59,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:23:59,382 INFO L470 AbstractCegarLoop]: Abstraction has 6344 states and 9576 transitions. [2021-11-17 02:23:59,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 02:23:59,383 INFO L276 IsEmpty]: Start isEmpty. Operand 6344 states and 9576 transitions. [2021-11-17 02:23:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-11-17 02:23:59,390 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:23:59,390 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2021-11-17 02:23:59,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 02:23:59,391 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:23:59,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:23:59,391 INFO L85 PathProgramCache]: Analyzing trace with hash -209701202, now seen corresponding path program 1 times [2021-11-17 02:23:59,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:23:59,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307150328] [2021-11-17 02:23:59,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:23:59,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:23:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:23:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:23:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:23:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:23:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:23:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:23:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:23:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:23:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:23:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:23:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:23:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:23:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:23:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:23:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:23:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:23:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:24:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:24:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:24:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:24:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:24:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:24:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:24:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:24:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:24:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:24:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:24:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:24:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 02:24:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 02:24:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 02:24:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2021-11-17 02:24:00,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:24:00,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307150328] [2021-11-17 02:24:00,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307150328] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:24:00,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:24:00,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 02:24:00,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697559806] [2021-11-17 02:24:00,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:24:00,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 02:24:00,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:24:00,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 02:24:00,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 02:24:00,273 INFO L87 Difference]: Start difference. First operand 6344 states and 9576 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 02:24:02,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:07,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:11,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:13,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:18,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:21,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:23,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:29,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:30,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:34,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:36,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:38,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:41,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:43,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:46,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:53,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:00,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:25:00,845 INFO L93 Difference]: Finished difference Result 20438 states and 32743 transitions. [2021-11-17 02:25:00,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 02:25:00,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 442 [2021-11-17 02:25:00,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:25:01,018 INFO L225 Difference]: With dead ends: 20438 [2021-11-17 02:25:01,019 INFO L226 Difference]: Without dead ends: 14158 [2021-11-17 02:25:01,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 02:25:01,042 INFO L933 BasicCegarLoop]: 5466 mSDtfsCounter, 8984 mSDsluCounter, 8010 mSDsCounter, 0 mSdLazyCounter, 6639 mSolverCounterSat, 6022 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9637 SdHoareTripleChecker+Valid, 13476 SdHoareTripleChecker+Invalid, 12673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6022 IncrementalHoareTripleChecker+Valid, 6639 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.7s IncrementalHoareTripleChecker+Time [2021-11-17 02:25:01,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9637 Valid, 13476 Invalid, 12673 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6022 Valid, 6639 Invalid, 12 Unknown, 0 Unchecked, 59.7s Time] [2021-11-17 02:25:01,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14158 states. [2021-11-17 02:25:01,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14158 to 13554. [2021-11-17 02:25:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13554 states, 9053 states have (on average 1.3538053683861704) internal successors, (12256), 9280 states have internal predecessors, (12256), 3757 states have call successors, (3757), 564 states have call predecessors, (3757), 743 states have return successors, (5695), 3957 states have call predecessors, (5695), 3755 states have call successors, (5695) [2021-11-17 02:25:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13554 states to 13554 states and 21708 transitions. [2021-11-17 02:25:01,641 INFO L78 Accepts]: Start accepts. Automaton has 13554 states and 21708 transitions. Word has length 442 [2021-11-17 02:25:01,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:25:01,642 INFO L470 AbstractCegarLoop]: Abstraction has 13554 states and 21708 transitions. [2021-11-17 02:25:01,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 02:25:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 13554 states and 21708 transitions. [2021-11-17 02:25:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2021-11-17 02:25:01,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:25:01,649 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2021-11-17 02:25:01,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 02:25:01,650 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:25:01,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:25:01,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1696876035, now seen corresponding path program 1 times [2021-11-17 02:25:01,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:25:01,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380918897] [2021-11-17 02:25:01,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:25:01,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:25:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:01,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:25:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:01,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:25:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:25:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:25:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:25:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:25:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:25:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:25:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:25:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:25:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:25:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:25:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:25:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:25:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:25:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:25:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:25:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:25:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:25:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:25:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:25:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:25:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:25:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:25:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:25:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:25:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:25:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:25:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 02:25:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 02:25:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 02:25:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2021-11-17 02:25:02,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:25:02,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380918897] [2021-11-17 02:25:02,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380918897] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:25:02,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:25:02,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 02:25:02,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302036059] [2021-11-17 02:25:02,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:25:02,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 02:25:02,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:25:02,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 02:25:02,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 02:25:02,646 INFO L87 Difference]: Start difference. First operand 13554 states and 21708 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 02:25:04,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:06,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:10,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:12,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:15,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:17,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:22,127 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:24,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:29,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:31,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:33,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:38,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:39,914 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:43,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:45,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:49,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:25:49,071 INFO L93 Difference]: Finished difference Result 27226 states and 44093 transitions. [2021-11-17 02:25:49,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 02:25:49,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 450 [2021-11-17 02:25:49,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:25:49,138 INFO L225 Difference]: With dead ends: 27226 [2021-11-17 02:25:49,139 INFO L226 Difference]: Without dead ends: 13736 [2021-11-17 02:25:49,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 02:25:49,185 INFO L933 BasicCegarLoop]: 4360 mSDtfsCounter, 5524 mSDsluCounter, 3577 mSDsCounter, 0 mSdLazyCounter, 3567 mSolverCounterSat, 3016 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6152 SdHoareTripleChecker+Valid, 7937 SdHoareTripleChecker+Invalid, 6596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3016 IncrementalHoareTripleChecker+Valid, 3567 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.7s IncrementalHoareTripleChecker+Time [2021-11-17 02:25:49,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6152 Valid, 7937 Invalid, 6596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3016 Valid, 3567 Invalid, 13 Unknown, 0 Unchecked, 45.7s Time] [2021-11-17 02:25:49,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13736 states. [2021-11-17 02:25:49,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13736 to 13108. [2021-11-17 02:25:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13108 states, 8745 states have (on average 1.3543739279588336) internal successors, (11844), 8978 states have internal predecessors, (11844), 3651 states have call successors, (3651), 562 states have call predecessors, (3651), 711 states have return successors, (5356), 3813 states have call predecessors, (5356), 3649 states have call successors, (5356) [2021-11-17 02:25:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13108 states to 13108 states and 20851 transitions. [2021-11-17 02:25:49,765 INFO L78 Accepts]: Start accepts. Automaton has 13108 states and 20851 transitions. Word has length 450 [2021-11-17 02:25:49,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:25:49,766 INFO L470 AbstractCegarLoop]: Abstraction has 13108 states and 20851 transitions. [2021-11-17 02:25:49,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 02:25:49,766 INFO L276 IsEmpty]: Start isEmpty. Operand 13108 states and 20851 transitions. [2021-11-17 02:25:49,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2021-11-17 02:25:49,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:25:49,770 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2021-11-17 02:25:49,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 02:25:49,770 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:25:49,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:25:49,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1866896863, now seen corresponding path program 1 times [2021-11-17 02:25:49,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:25:49,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93685716] [2021-11-17 02:25:49,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:25:49,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:25:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:25:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:25:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:25:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:25:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:25:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:25:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:25:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:25:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:25:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:25:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:25:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:25:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:25:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:25:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:25:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:25:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:25:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:25:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:25:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:25:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:25:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:25:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:25:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:25:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:25:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:25:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:25:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:25:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 02:25:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 02:25:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 02:25:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 02:25:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 02:25:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2021-11-17 02:25:50,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:25:50,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93685716] [2021-11-17 02:25:50,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93685716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:25:50,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:25:50,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 02:25:50,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655387160] [2021-11-17 02:25:50,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:25:50,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 02:25:50,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:25:50,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 02:25:50,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 02:25:50,866 INFO L87 Difference]: Start difference. First operand 13108 states and 20851 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 02:25:52,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:25:57,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:02,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:04,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:09,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:11,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:13,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:15,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:22,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:24,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:26,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:29,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:32,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:34,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:36,590 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:41,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:42,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:45,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:26:45,194 INFO L93 Difference]: Finished difference Result 29100 states and 46215 transitions. [2021-11-17 02:26:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 02:26:45,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 454 [2021-11-17 02:26:45,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:26:45,263 INFO L225 Difference]: With dead ends: 29100 [2021-11-17 02:26:45,263 INFO L226 Difference]: Without dead ends: 16056 [2021-11-17 02:26:45,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 02:26:45,301 INFO L933 BasicCegarLoop]: 4654 mSDtfsCounter, 5679 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 4155 mSolverCounterSat, 3204 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6314 SdHoareTripleChecker+Valid, 8865 SdHoareTripleChecker+Invalid, 7374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3204 IncrementalHoareTripleChecker+Valid, 4155 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.5s IncrementalHoareTripleChecker+Time [2021-11-17 02:26:45,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6314 Valid, 8865 Invalid, 7374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3204 Valid, 4155 Invalid, 15 Unknown, 0 Unchecked, 53.5s Time] [2021-11-17 02:26:45,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16056 states. [2021-11-17 02:26:45,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16056 to 15239. [2021-11-17 02:26:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15239 states, 10120 states have (on average 1.3316205533596839) internal successors, (13476), 10412 states have internal predecessors, (13476), 4087 states have call successors, (4087), 805 states have call predecessors, (4087), 1031 states have return successors, (6008), 4297 states have call predecessors, (6008), 4085 states have call successors, (6008) [2021-11-17 02:26:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15239 states to 15239 states and 23571 transitions. [2021-11-17 02:26:45,846 INFO L78 Accepts]: Start accepts. Automaton has 15239 states and 23571 transitions. Word has length 454 [2021-11-17 02:26:45,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:26:45,846 INFO L470 AbstractCegarLoop]: Abstraction has 15239 states and 23571 transitions. [2021-11-17 02:26:45,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 02:26:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 15239 states and 23571 transitions. [2021-11-17 02:26:45,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-11-17 02:26:45,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:26:45,849 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2021-11-17 02:26:45,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 02:26:45,850 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:26:45,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:26:45,850 INFO L85 PathProgramCache]: Analyzing trace with hash 185188271, now seen corresponding path program 1 times [2021-11-17 02:26:45,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:26:45,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206929627] [2021-11-17 02:26:45,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:26:45,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:26:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:26:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:26:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:26:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:26:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:26:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:26:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:26:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:26:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:26:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:26:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:26:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:26:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:26:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:26:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:26:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:26:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:26:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:26:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:26:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:26:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:26:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:26:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:26:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:26:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:26:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:26:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:26:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:26:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:26:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:26:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 02:26:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 02:26:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:46,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 02:26:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:47,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 02:26:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 02:26:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 02:26:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 02:26:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:26:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2021-11-17 02:26:47,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:26:47,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206929627] [2021-11-17 02:26:47,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206929627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:26:47,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:26:47,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 02:26:47,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495155222] [2021-11-17 02:26:47,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:26:47,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 02:26:47,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:26:47,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 02:26:47,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 02:26:47,061 INFO L87 Difference]: Start difference. First operand 15239 states and 23571 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 02:26:49,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:57,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:26:59,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:01,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:07,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:09,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:13,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:15,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:22,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:23,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:25,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:28,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:29,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:31,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:36,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:39,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:41,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:43,019 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:52,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:54,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:56,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:57,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:27:59,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:01,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:03,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:05,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:10,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:14,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:20,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:23,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:31,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:28:31,534 INFO L93 Difference]: Finished difference Result 47687 states and 75156 transitions. [2021-11-17 02:28:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 02:28:31,536 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), 2 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 470 [2021-11-17 02:28:31,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:28:31,695 INFO L225 Difference]: With dead ends: 47687 [2021-11-17 02:28:31,695 INFO L226 Difference]: Without dead ends: 32512 [2021-11-17 02:28:31,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 02:28:31,750 INFO L933 BasicCegarLoop]: 7970 mSDtfsCounter, 5642 mSDsluCounter, 16006 mSDsCounter, 0 mSdLazyCounter, 13286 mSolverCounterSat, 3727 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6544 SdHoareTripleChecker+Valid, 23976 SdHoareTripleChecker+Invalid, 17034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3727 IncrementalHoareTripleChecker+Valid, 13286 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.0s IncrementalHoareTripleChecker+Time [2021-11-17 02:28:31,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6544 Valid, 23976 Invalid, 17034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3727 Valid, 13286 Invalid, 21 Unknown, 0 Unchecked, 103.0s Time] [2021-11-17 02:28:31,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32512 states. [2021-11-17 02:28:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32512 to 30240. [2021-11-17 02:28:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30240 states, 20090 states have (on average 1.3326032852165257) internal successors, (26772), 20675 states have internal predecessors, (26772), 8105 states have call successors, (8105), 1591 states have call predecessors, (8105), 2044 states have return successors, (11938), 8525 states have call predecessors, (11938), 8103 states have call successors, (11938) [2021-11-17 02:28:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30240 states to 30240 states and 46815 transitions. [2021-11-17 02:28:32,984 INFO L78 Accepts]: Start accepts. Automaton has 30240 states and 46815 transitions. Word has length 470 [2021-11-17 02:28:32,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:28:32,985 INFO L470 AbstractCegarLoop]: Abstraction has 30240 states and 46815 transitions. [2021-11-17 02:28:32,985 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), 2 states have call successors, (45), 6 states have call predecessors, (45), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 02:28:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 30240 states and 46815 transitions. [2021-11-17 02:28:32,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2021-11-17 02:28:32,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:28:32,989 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2021-11-17 02:28:32,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 02:28:32,989 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:28:32,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:28:32,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1244235575, now seen corresponding path program 1 times [2021-11-17 02:28:32,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:28:32,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369531008] [2021-11-17 02:28:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:28:32,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:28:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:28:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:28:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:28:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:28:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:28:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:28:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:28:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:28:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:28:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:28:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:28:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:28:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:28:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:28:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:28:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:28:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:28:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:28:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:28:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:28:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:28:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:28:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:28:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:28:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:28:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:28:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:28:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:28:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 02:28:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:28:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:28:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 02:28:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 02:28:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 02:28:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-17 02:28:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 02:28:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-11-17 02:28:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-11-17 02:28:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:28:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2647 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2640 trivial. 0 not checked. [2021-11-17 02:28:33,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:28:33,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369531008] [2021-11-17 02:28:33,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369531008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:28:33,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:28:33,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 02:28:33,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104067438] [2021-11-17 02:28:33,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:28:33,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 02:28:33,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:28:33,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 02:28:33,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 02:28:33,987 INFO L87 Difference]: Start difference. First operand 30240 states and 46815 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 02:28:36,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:42,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:48,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:50,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:55,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:28:58,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:00,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:02,445 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:08,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:10,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:12,668 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:14,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:18,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:22,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:26,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:31,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:29:31,422 INFO L93 Difference]: Finished difference Result 76170 states and 120561 transitions. [2021-11-17 02:29:31,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 02:29:31,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 505 [2021-11-17 02:29:31,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:29:31,787 INFO L225 Difference]: With dead ends: 76170 [2021-11-17 02:29:31,788 INFO L226 Difference]: Without dead ends: 46004 [2021-11-17 02:29:31,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 02:29:31,875 INFO L933 BasicCegarLoop]: 8151 mSDtfsCounter, 6660 mSDsluCounter, 11633 mSDsCounter, 0 mSdLazyCounter, 8422 mSolverCounterSat, 5554 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7545 SdHoareTripleChecker+Valid, 19784 SdHoareTripleChecker+Invalid, 13989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5554 IncrementalHoareTripleChecker+Valid, 8422 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.6s IncrementalHoareTripleChecker+Time [2021-11-17 02:29:31,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7545 Valid, 19784 Invalid, 13989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5554 Valid, 8422 Invalid, 13 Unknown, 0 Unchecked, 55.6s Time] [2021-11-17 02:29:31,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46004 states. [2021-11-17 02:29:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46004 to 42848. [2021-11-17 02:29:33,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42848 states, 28502 states have (on average 1.3392042663672725) internal successors, (38170), 29319 states have internal predecessors, (38170), 11621 states have call successors, (11621), 2121 states have call predecessors, (11621), 2724 states have return successors, (17128), 12201 states have call predecessors, (17128), 11619 states have call successors, (17128) [2021-11-17 02:29:33,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42848 states to 42848 states and 66919 transitions. [2021-11-17 02:29:33,786 INFO L78 Accepts]: Start accepts. Automaton has 42848 states and 66919 transitions. Word has length 505 [2021-11-17 02:29:33,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:29:33,802 INFO L470 AbstractCegarLoop]: Abstraction has 42848 states and 66919 transitions. [2021-11-17 02:29:33,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 02:29:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 42848 states and 66919 transitions. [2021-11-17 02:29:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2021-11-17 02:29:33,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:29:33,823 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 02:29:33,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 02:29:33,824 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:29:33,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:29:33,824 INFO L85 PathProgramCache]: Analyzing trace with hash 182037543, now seen corresponding path program 1 times [2021-11-17 02:29:33,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:29:33,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344916089] [2021-11-17 02:29:33,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:29:33,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:29:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:29:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:29:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:29:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:29:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:29:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:29:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:29:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:29:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:29:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:29:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:29:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:29:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:29:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:29:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:29:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:29:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:29:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:29:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:29:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:29:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:29:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:29:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:29:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:29:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:29:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:29:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:29:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:29:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 02:29:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:29:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:29:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 02:29:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-17 02:29:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 02:29:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 02:29:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 02:29:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 02:29:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 02:29:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 02:29:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:29:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2663 trivial. 0 not checked. [2021-11-17 02:29:35,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:29:35,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344916089] [2021-11-17 02:29:35,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344916089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:29:35,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:29:35,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-17 02:29:35,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780107683] [2021-11-17 02:29:35,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:29:35,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-17 02:29:35,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:29:35,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-17 02:29:35,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-17 02:29:35,597 INFO L87 Difference]: Start difference. First operand 42848 states and 66919 transitions. Second operand has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 5 states have internal predecessors, (117), 4 states have call successors, (47), 10 states have call predecessors, (47), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 02:29:37,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:45,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:52,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:29:54,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:00,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:02,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:10,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:12,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:14,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:19,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:20,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:22,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:24,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:27,770 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:29,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:31,781 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:33,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:36,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:42,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:47,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:30:47,879 INFO L93 Difference]: Finished difference Result 88562 states and 147464 transitions. [2021-11-17 02:30:47,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 02:30:47,880 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 5 states have internal predecessors, (117), 4 states have call successors, (47), 10 states have call predecessors, (47), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 521 [2021-11-17 02:30:47,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:30:48,082 INFO L225 Difference]: With dead ends: 88562 [2021-11-17 02:30:48,083 INFO L226 Difference]: Without dead ends: 45788 [2021-11-17 02:30:48,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2021-11-17 02:30:48,386 INFO L933 BasicCegarLoop]: 4315 mSDtfsCounter, 1936 mSDsluCounter, 26571 mSDsCounter, 0 mSdLazyCounter, 11318 mSolverCounterSat, 2224 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 30886 SdHoareTripleChecker+Invalid, 13557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2224 IncrementalHoareTripleChecker+Valid, 11318 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.8s IncrementalHoareTripleChecker+Time [2021-11-17 02:30:48,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2196 Valid, 30886 Invalid, 13557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2224 Valid, 11318 Invalid, 15 Unknown, 0 Unchecked, 69.8s Time] [2021-11-17 02:30:48,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45788 states. [2021-11-17 02:30:49,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45788 to 42478. [2021-11-17 02:30:49,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42478 states, 28326 states have (on average 1.340111558285674) internal successors, (37960), 29163 states have internal predecessors, (37960), 11463 states have call successors, (11463), 2153 states have call predecessors, (11463), 2688 states have return successors, (16619), 11955 states have call predecessors, (16619), 11461 states have call successors, (16619) [2021-11-17 02:30:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42478 states to 42478 states and 66042 transitions. [2021-11-17 02:30:49,987 INFO L78 Accepts]: Start accepts. Automaton has 42478 states and 66042 transitions. Word has length 521 [2021-11-17 02:30:49,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:30:49,987 INFO L470 AbstractCegarLoop]: Abstraction has 42478 states and 66042 transitions. [2021-11-17 02:30:49,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.636363636363637) internal successors, (117), 5 states have internal predecessors, (117), 4 states have call successors, (47), 10 states have call predecessors, (47), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 02:30:49,988 INFO L276 IsEmpty]: Start isEmpty. Operand 42478 states and 66042 transitions. [2021-11-17 02:30:49,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2021-11-17 02:30:49,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:30:49,995 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 02:30:49,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 02:30:49,996 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:30:49,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:30:49,996 INFO L85 PathProgramCache]: Analyzing trace with hash 158207968, now seen corresponding path program 1 times [2021-11-17 02:30:49,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:30:49,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566916944] [2021-11-17 02:30:49,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:30:49,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:30:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:30:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:30:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:30:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:30:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:30:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:30:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:30:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:30:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:30:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:30:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:30:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:30:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:30:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:30:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:30:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:30:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:30:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:30:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:30:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:30:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:30:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:30:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:30:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:30:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:30:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:30:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:30:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:30:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 02:30:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 02:30:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:30:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 02:30:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-17 02:30:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 02:30:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 02:30:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 02:30:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:30:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 02:30:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 02:30:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 02:30:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:30:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 02:30:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:30:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 02:30:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 02:30:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2021-11-17 02:30:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 02:30:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-11-17 02:30:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:30:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3172 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3168 trivial. 0 not checked. [2021-11-17 02:30:51,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:30:51,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566916944] [2021-11-17 02:30:51,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566916944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:30:51,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:30:51,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 02:30:51,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100082910] [2021-11-17 02:30:51,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:30:51,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 02:30:51,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:30:51,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 02:30:51,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 02:30:51,340 INFO L87 Difference]: Start difference. First operand 42478 states and 66042 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (60), 7 states have call predecessors, (60), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-11-17 02:30:52,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:30:58,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:00,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:02,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:06,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:10,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:12,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:18,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:21,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:23,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:25,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:33,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:34,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:36,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:40,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:42,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:44,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:46,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:48,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:50,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:52,657 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:56,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:31:58,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:00,517 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:02,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:07,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:15,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:32:15,077 INFO L93 Difference]: Finished difference Result 110014 states and 175048 transitions. [2021-11-17 02:32:15,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 02:32:15,079 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (60), 7 states have call predecessors, (60), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 614 [2021-11-17 02:32:15,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:32:15,354 INFO L225 Difference]: With dead ends: 110014 [2021-11-17 02:32:15,354 INFO L226 Difference]: Without dead ends: 67610 [2021-11-17 02:32:15,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-11-17 02:32:15,484 INFO L933 BasicCegarLoop]: 5697 mSDtfsCounter, 9281 mSDsluCounter, 8521 mSDsCounter, 0 mSdLazyCounter, 7427 mSolverCounterSat, 8516 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10022 SdHoareTripleChecker+Valid, 14218 SdHoareTripleChecker+Invalid, 15960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8516 IncrementalHoareTripleChecker+Valid, 7427 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.0s IncrementalHoareTripleChecker+Time [2021-11-17 02:32:15,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10022 Valid, 14218 Invalid, 15960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8516 Valid, 7427 Invalid, 17 Unknown, 0 Unchecked, 81.0s Time] [2021-11-17 02:32:15,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67610 states. [2021-11-17 02:32:17,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67610 to 62446. [2021-11-17 02:32:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62446 states, 41697 states have (on average 1.3427105067510852) internal successors, (55987), 42921 states have internal predecessors, (55987), 16854 states have call successors, (16854), 3187 states have call predecessors, (16854), 3894 states have return successors, (25546), 17513 states have call predecessors, (25546), 16852 states have call successors, (25546) [2021-11-17 02:32:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62446 states to 62446 states and 98387 transitions. [2021-11-17 02:32:18,294 INFO L78 Accepts]: Start accepts. Automaton has 62446 states and 98387 transitions. Word has length 614 [2021-11-17 02:32:18,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:32:18,295 INFO L470 AbstractCegarLoop]: Abstraction has 62446 states and 98387 transitions. [2021-11-17 02:32:18,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (60), 7 states have call predecessors, (60), 2 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-11-17 02:32:18,295 INFO L276 IsEmpty]: Start isEmpty. Operand 62446 states and 98387 transitions. [2021-11-17 02:32:18,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2021-11-17 02:32:18,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:32:18,323 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 02:32:18,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 02:32:18,323 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:32:18,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:32:18,324 INFO L85 PathProgramCache]: Analyzing trace with hash 375337692, now seen corresponding path program 1 times [2021-11-17 02:32:18,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:32:18,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148943097] [2021-11-17 02:32:18,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:32:18,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:32:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:32:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:32:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:32:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:32:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:32:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:32:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:32:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:32:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:32:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:32:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:32:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:32:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:32:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:32:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:32:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:32:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:32:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:32:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:32:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:32:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:32:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:32:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:32:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:32:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:32:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:32:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:32:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:32:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 02:32:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 02:32:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:32:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 02:32:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-17 02:32:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 02:32:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 02:32:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 02:32:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:32:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 02:32:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 02:32:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 02:32:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:32:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 02:32:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 02:32:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 02:32:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-11-17 02:32:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 02:32:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 02:32:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 02:32:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:32:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:32:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3182 trivial. 0 not checked. [2021-11-17 02:32:19,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:32:19,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148943097] [2021-11-17 02:32:19,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148943097] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:32:19,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:32:19,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 02:32:19,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421695200] [2021-11-17 02:32:19,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:32:19,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 02:32:19,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:32:19,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 02:32:19,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 02:32:19,310 INFO L87 Difference]: Start difference. First operand 62446 states and 98387 transitions. Second operand has 8 states, 8 states have (on average 20.875) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (58), 7 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 02:32:21,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:24,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:32,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:37,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:39,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:47,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:49,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:51,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:32:53,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:00,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:02,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:04,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:06,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:10,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:12,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:14,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:16,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:18,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:19,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:21,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:23,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:26,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:28,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:30,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:32,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:34,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:36,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:38,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:40,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:41,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:47,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:48,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:33:54,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:33:54,159 INFO L93 Difference]: Finished difference Result 129738 states and 211411 transitions. [2021-11-17 02:33:54,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 02:33:54,160 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (58), 7 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 627 [2021-11-17 02:33:54,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:33:54,643 INFO L225 Difference]: With dead ends: 129738 [2021-11-17 02:33:54,643 INFO L226 Difference]: Without dead ends: 67366 [2021-11-17 02:33:54,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-17 02:33:54,851 INFO L933 BasicCegarLoop]: 4339 mSDtfsCounter, 2320 mSDsluCounter, 10727 mSDsCounter, 0 mSdLazyCounter, 7286 mSolverCounterSat, 3116 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2581 SdHoareTripleChecker+Valid, 15066 SdHoareTripleChecker+Invalid, 10424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3116 IncrementalHoareTripleChecker+Valid, 7286 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.0s IncrementalHoareTripleChecker+Time [2021-11-17 02:33:54,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2581 Valid, 15066 Invalid, 10424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3116 Valid, 7286 Invalid, 22 Unknown, 0 Unchecked, 92.0s Time] [2021-11-17 02:33:54,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67366 states. [2021-11-17 02:33:56,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67366 to 62446. [2021-11-17 02:33:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62446 states, 41697 states have (on average 1.3405520780871525) internal successors, (55897), 42921 states have internal predecessors, (55897), 16854 states have call successors, (16854), 3187 states have call predecessors, (16854), 3894 states have return successors, (25546), 17513 states have call predecessors, (25546), 16852 states have call successors, (25546) [2021-11-17 02:33:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62446 states to 62446 states and 98297 transitions. [2021-11-17 02:33:57,507 INFO L78 Accepts]: Start accepts. Automaton has 62446 states and 98297 transitions. Word has length 627 [2021-11-17 02:33:57,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:33:57,507 INFO L470 AbstractCegarLoop]: Abstraction has 62446 states and 98297 transitions. [2021-11-17 02:33:57,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (58), 7 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 02:33:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 62446 states and 98297 transitions. [2021-11-17 02:33:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2021-11-17 02:33:57,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:33:57,517 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 02:33:57,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 02:33:57,518 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:33:57,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:33:57,518 INFO L85 PathProgramCache]: Analyzing trace with hash -715637094, now seen corresponding path program 1 times [2021-11-17 02:33:57,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:33:57,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776994953] [2021-11-17 02:33:57,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:33:57,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:33:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:33:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:33:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:33:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:33:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:33:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:33:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:33:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:33:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:33:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:33:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:33:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:33:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:33:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:33:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:33:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 02:33:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 02:33:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 02:33:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 02:33:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 02:33:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 02:33:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 02:33:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:33:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 02:33:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 02:33:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 02:33:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 02:33:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:33:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 02:33:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 02:33:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:33:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 02:33:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-17 02:33:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 02:33:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 02:33:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 02:33:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:33:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 02:33:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 02:33:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 02:33:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:33:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 02:33:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:33:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 02:33:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 02:33:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-11-17 02:33:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2021-11-17 02:33:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2021-11-17 02:33:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 02:33:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:33:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3181 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3172 trivial. 0 not checked. [2021-11-17 02:33:58,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:33:58,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776994953] [2021-11-17 02:33:58,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776994953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:33:58,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:33:58,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 02:33:58,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850883137] [2021-11-17 02:33:58,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:33:58,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 02:33:58,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:33:58,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 02:33:58,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-17 02:33:58,731 INFO L87 Difference]: Start difference. First operand 62446 states and 98297 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (61), 7 states have call predecessors, (61), 2 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 02:34:00,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:02,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:11,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:12,853 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:15,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:22,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:24,590 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:26,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:31,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:33,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:43,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:46,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:48,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:50,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:34:58,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:00,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:01,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:02,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:06,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:09,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:11,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:13,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:15,499 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:17,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:35:20,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15