./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--iio--imu--inv_mpu6050--inv-mpu6050.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--iio--imu--inv_mpu6050--inv-mpu6050.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 e6c477e3f3753c58922818522be04156e728e59c50f004b5ce835b763e4b3e35 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 02:20:23,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 02:20:23,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 02:20:23,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 02:20:23,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 02:20:23,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 02:20:23,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 02:20:23,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 02:20:23,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 02:20:23,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 02:20:23,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 02:20:23,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 02:20:23,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 02:20:23,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 02:20:23,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 02:20:23,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 02:20:23,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 02:20:23,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 02:20:23,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 02:20:23,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 02:20:23,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 02:20:23,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 02:20:23,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 02:20:23,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 02:20:23,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 02:20:23,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 02:20:23,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 02:20:23,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 02:20:23,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 02:20:23,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 02:20:23,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 02:20:23,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 02:20:23,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 02:20:23,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 02:20:23,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 02:20:23,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 02:20:23,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 02:20:23,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 02:20:23,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 02:20:23,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 02:20:23,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 02:20:23,093 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 02:20:23,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 02:20:23,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 02:20:23,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 02:20:23,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 02:20:23,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 02:20:23,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 02:20:23,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 02:20:23,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 02:20:23,119 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 02:20:23,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 02:20:23,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 02:20:23,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 02:20:23,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 02:20:23,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 02:20:23,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 02:20:23,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 02:20:23,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 02:20:23,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 02:20:23,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 02:20:23,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 02:20:23,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 02:20:23,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 02:20:23,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 02:20:23,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 02:20:23,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 02:20:23,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 02:20:23,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 02:20:23,123 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 02:20:23,123 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 02:20:23,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 02:20:23,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 02:20:23,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6c477e3f3753c58922818522be04156e728e59c50f004b5ce835b763e4b3e35 [2021-11-17 02:20:23,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 02:20:23,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 02:20:23,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 02:20:23,318 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 02:20:23,319 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 02:20:23,319 INFO L432 ainManager$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--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2021-11-17 02:20:23,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0c54de85/2c9385ec5d194133aa904e67cfdec8cb/FLAGafa46580b [2021-11-17 02:20:23,966 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 02:20:23,966 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--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2021-11-17 02:20:23,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0c54de85/2c9385ec5d194133aa904e67cfdec8cb/FLAGafa46580b [2021-11-17 02:20:24,392 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0c54de85/2c9385ec5d194133aa904e67cfdec8cb [2021-11-17 02:20:24,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 02:20:24,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 02:20:24,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 02:20:24,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 02:20:24,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 02:20:24,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:20:24" (1/1) ... [2021-11-17 02:20:24,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4235b72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:24, skipping insertion in model container [2021-11-17 02:20:24,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:20:24" (1/1) ... [2021-11-17 02:20:24,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 02:20:24,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 02:20:25,209 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--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i[208384,208397] [2021-11-17 02:20:25,247 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-17 02:20:25,255 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 02:20:25,289 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 02:20:25,477 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--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i[208384,208397] [2021-11-17 02:20:25,482 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-17 02:20:25,488 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 02:20:25,573 INFO L208 MainTranslator]: Completed translation [2021-11-17 02:20:25,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25 WrapperNode [2021-11-17 02:20:25,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 02:20:25,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 02:20:25,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 02:20:25,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 02:20:25,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,756 INFO L137 Inliner]: procedures = 212, calls = 1352, calls flagged for inlining = 108, calls inlined = 105, statements flattened = 3685 [2021-11-17 02:20:25,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 02:20:25,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 02:20:25,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 02:20:25,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 02:20:25,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 02:20:25,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 02:20:25,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 02:20:25,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 02:20:25,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (1/1) ... [2021-11-17 02:20:25,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 02:20:25,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 02:20:25,939 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 02:20:25,957 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 02:20:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 02:20:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 02:20:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 02:20:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 02:20:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 02:20:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 02:20:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 02:20:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 02:20:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_sensor_show [2021-11-17 02:20:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_sensor_show [2021-11-17 02:20:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 02:20:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 02:20:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2021-11-17 02:20:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2021-11-17 02:20:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 02:20:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 02:20:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 02:20:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 02:20:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 02:20:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 02:20:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 02:20:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 02:20:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_suspend [2021-11-17 02:20:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_suspend [2021-11-17 02:20:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 02:20:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 02:20:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_notify_done [2021-11-17 02:20:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_notify_done [2021-11-17 02:20:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 02:20:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 02:20:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 02:20:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 02:20:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 02:20:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_irq_handler [2021-11-17 02:20:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_irq_handler [2021-11-17 02:20:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 02:20:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 02:20:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure iio_triggered_buffer_cleanup [2021-11-17 02:20:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_triggered_buffer_cleanup [2021-11-17 02:20:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure inv_attr_show [2021-11-17 02:20:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_attr_show [2021-11-17 02:20:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 02:20:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 02:20:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 02:20:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 02:20:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_remove_trigger [2021-11-17 02:20:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_remove_trigger [2021-11-17 02:20:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 02:20:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 02:20:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 02:20:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 02:20:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_read_fifo [2021-11-17 02:20:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_read_fifo [2021-11-17 02:20:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 02:20:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_set_power_itg [2021-11-17 02:20:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_set_power_itg [2021-11-17 02:20:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 02:20:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 02:20:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2021-11-17 02:20:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2021-11-17 02:20:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu_resume [2021-11-17 02:20:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu_resume [2021-11-17 02:20:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 02:20:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 02:20:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_switch_engine [2021-11-17 02:20:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_switch_engine [2021-11-17 02:20:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure to_acpi_node [2021-11-17 02:20:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure to_acpi_node [2021-11-17 02:20:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-11-17 02:20:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-11-17 02:20:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 02:20:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 02:20:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure iio_priv [2021-11-17 02:20:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_priv [2021-11-17 02:20:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure iio_device_unregister [2021-11-17 02:20:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_device_unregister [2021-11-17 02:20:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 02:20:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-11-17 02:20:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-11-17 02:20:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 02:20:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 02:20:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 02:20:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 02:20:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 02:20:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 02:20:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 02:20:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 02:20:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 02:20:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-17 02:20:25,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-17 02:20:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_validate_trigger [2021-11-17 02:20:25,987 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_validate_trigger [2021-11-17 02:20:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_mux_adapter [2021-11-17 02:20:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_mux_adapter [2021-11-17 02:20:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_i2c_block_data [2021-11-17 02:20:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_i2c_block_data [2021-11-17 02:20:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_iio_dev [2021-11-17 02:20:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_iio_dev [2021-11-17 02:20:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure inv_reset_fifo [2021-11-17 02:20:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_reset_fifo [2021-11-17 02:20:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-17 02:20:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-17 02:20:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 02:20:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 02:20:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 02:20:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure inv_mpu6050_write_reg [2021-11-17 02:20:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure inv_mpu6050_write_reg [2021-11-17 02:20:26,456 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 02:20:26,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 02:20:26,545 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 02:20:48,647 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 02:20:48,661 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 02:20:48,661 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 02:20:48,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:20:48 BoogieIcfgContainer [2021-11-17 02:20:48,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 02:20:48,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 02:20:48,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 02:20:48,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 02:20:48,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:20:24" (1/3) ... [2021-11-17 02:20:48,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1bde7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:20:48, skipping insertion in model container [2021-11-17 02:20:48,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:20:25" (2/3) ... [2021-11-17 02:20:48,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1bde7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:20:48, skipping insertion in model container [2021-11-17 02:20:48,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:20:48" (3/3) ... [2021-11-17 02:20:48,670 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--imu--inv_mpu6050--inv-mpu6050.ko-entry_point.cil.out.i [2021-11-17 02:20:48,677 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 02:20:48,677 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 02:20:48,722 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 02:20:48,729 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 02:20:48,730 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 02:20:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 1037 states, 786 states have (on average 1.4287531806615776) internal successors, (1123), 801 states have internal predecessors, (1123), 205 states have call successors, (205), 45 states have call predecessors, (205), 44 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) [2021-11-17 02:20:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-17 02:20:48,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:20:48,806 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:20:48,807 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:20:48,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:20:48,811 INFO L85 PathProgramCache]: Analyzing trace with hash 175591800, now seen corresponding path program 1 times [2021-11-17 02:20:48,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:20:48,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053920499] [2021-11-17 02:20:48,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:20:48,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:20:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:20:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:20:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:20:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:20:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:20:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:20:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:20:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:20:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:20:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:20:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:20:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:20:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:20:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:20:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:20:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:20:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:20:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:20:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:20:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:20:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:20:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:20:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:20:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2021-11-17 02:20:49,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:20:49,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053920499] [2021-11-17 02:20:49,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053920499] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:20:49,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:20:49,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 02:20:49,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139054056] [2021-11-17 02:20:49,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:20:49,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 02:20:49,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:20:49,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 02:20:49,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 02:20:49,903 INFO L87 Difference]: Start difference. First operand has 1037 states, 786 states have (on average 1.4287531806615776) internal successors, (1123), 801 states have internal predecessors, (1123), 205 states have call successors, (205), 45 states have call predecessors, (205), 44 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 02:20:51,947 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 02:20:53,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:20:56,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:21:00,277 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 02:21:02,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:21:02,925 INFO L93 Difference]: Finished difference Result 2135 states and 3207 transitions. [2021-11-17 02:21:02,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 02:21:02,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 317 [2021-11-17 02:21:02,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:21:02,941 INFO L225 Difference]: With dead ends: 2135 [2021-11-17 02:21:02,941 INFO L226 Difference]: Without dead ends: 1086 [2021-11-17 02:21:02,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-17 02:21:02,949 INFO L933 BasicCegarLoop]: 1497 mSDtfsCounter, 396 mSDsluCounter, 2616 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 455 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 4113 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-11-17 02:21:02,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 4113 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 916 Invalid, 4 Unknown, 0 Unchecked, 12.8s Time] [2021-11-17 02:21:02,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2021-11-17 02:21:03,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1020. [2021-11-17 02:21:03,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 781 states have (on average 1.4148527528809218) internal successors, (1105), 784 states have internal predecessors, (1105), 195 states have call successors, (195), 44 states have call predecessors, (195), 43 states have return successors, (194), 194 states have call predecessors, (194), 194 states have call successors, (194) [2021-11-17 02:21:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1494 transitions. [2021-11-17 02:21:03,052 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1494 transitions. Word has length 317 [2021-11-17 02:21:03,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:21:03,053 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 1494 transitions. [2021-11-17 02:21:03,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 02:21:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1494 transitions. [2021-11-17 02:21:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-17 02:21:03,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:21:03,061 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:03,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 02:21:03,061 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:21:03,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:21:03,062 INFO L85 PathProgramCache]: Analyzing trace with hash -464706278, now seen corresponding path program 1 times [2021-11-17 02:21:03,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:21:03,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174180947] [2021-11-17 02:21:03,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:21:03,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:21:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:21:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:21:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:21:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:21:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:21:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:21:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:21:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:21:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:21:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:21:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:21:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:21:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:21:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:21:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:21:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:21:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:21:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:21:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:21:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:21:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:03,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2021-11-17 02:21:03,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:21:03,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174180947] [2021-11-17 02:21:03,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174180947] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:21:03,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:21:03,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 02:21:03,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146926371] [2021-11-17 02:21:03,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:21:03,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 02:21:03,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:21:03,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 02:21:03,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 02:21:03,729 INFO L87 Difference]: Start difference. First operand 1020 states and 1494 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 02:21:05,764 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 02:21:07,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:21:09,905 WARN L515 Checker$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 02:21:11,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:21:16,645 WARN L515 Checker$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 02:21:21,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:21:21,364 INFO L93 Difference]: Finished difference Result 3080 states and 4593 transitions. [2021-11-17 02:21:21,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 02:21:21,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 317 [2021-11-17 02:21:21,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:21:21,376 INFO L225 Difference]: With dead ends: 3080 [2021-11-17 02:21:21,377 INFO L226 Difference]: Without dead ends: 2103 [2021-11-17 02:21:21,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-11-17 02:21:21,383 INFO L933 BasicCegarLoop]: 1644 mSDtfsCounter, 2059 mSDsluCounter, 4079 mSDsCounter, 0 mSdLazyCounter, 1548 mSolverCounterSat, 887 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2176 SdHoareTripleChecker+Valid, 5723 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 887 IncrementalHoareTripleChecker+Valid, 1548 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2021-11-17 02:21:21,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2176 Valid, 5723 Invalid, 2440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [887 Valid, 1548 Invalid, 5 Unknown, 0 Unchecked, 17.2s Time] [2021-11-17 02:21:21,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2103 states. [2021-11-17 02:21:21,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2103 to 1971. [2021-11-17 02:21:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1971 states, 1521 states have (on average 1.423405654174885) internal successors, (2165), 1527 states have internal predecessors, (2165), 363 states have call successors, (363), 87 states have call predecessors, (363), 86 states have return successors, (362), 362 states have call predecessors, (362), 362 states have call successors, (362) [2021-11-17 02:21:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2890 transitions. [2021-11-17 02:21:21,454 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2890 transitions. Word has length 317 [2021-11-17 02:21:21,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:21:21,456 INFO L470 AbstractCegarLoop]: Abstraction has 1971 states and 2890 transitions. [2021-11-17 02:21:21,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-11-17 02:21:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2890 transitions. [2021-11-17 02:21:21,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-17 02:21:21,462 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:21:21,462 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:21:21,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 02:21:21,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:21:21,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:21:21,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1130800696, now seen corresponding path program 1 times [2021-11-17 02:21:21,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:21:21,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844290887] [2021-11-17 02:21:21,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:21:21,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:21:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:21:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:21:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:21:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:21:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:21:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:21:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:21:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:21:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:21:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:21:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:21:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:21:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:21:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:21:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:21:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:21:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:21:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:21:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:21:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:21:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2021-11-17 02:21:22,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:21:22,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844290887] [2021-11-17 02:21:22,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844290887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:21:22,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:21:22,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 02:21:22,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868865924] [2021-11-17 02:21:22,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:21:22,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 02:21:22,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:21:22,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 02:21:22,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 02:21:22,118 INFO L87 Difference]: Start difference. First operand 1971 states and 2890 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 02:21:24,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:21:27,470 WARN L515 Checker$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 02:21:30,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:21:30,496 INFO L93 Difference]: Finished difference Result 4163 states and 6252 transitions. [2021-11-17 02:21:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 02:21:30,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 320 [2021-11-17 02:21:30,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:21:30,514 INFO L225 Difference]: With dead ends: 4163 [2021-11-17 02:21:30,514 INFO L226 Difference]: Without dead ends: 4156 [2021-11-17 02:21:30,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-11-17 02:21:30,518 INFO L933 BasicCegarLoop]: 1649 mSDtfsCounter, 2572 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 1350 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 3937 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1350 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-17 02:21:30,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2688 Valid, 3937 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1350 Valid, 711 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-17 02:21:30,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4156 states. [2021-11-17 02:21:30,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4156 to 3892. [2021-11-17 02:21:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3892 states, 3014 states have (on average 1.4263437292634373) internal successors, (4299), 3026 states have internal predecessors, (4299), 705 states have call successors, (705), 173 states have call predecessors, (705), 172 states have return successors, (706), 704 states have call predecessors, (706), 704 states have call successors, (706) [2021-11-17 02:21:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 5710 transitions. [2021-11-17 02:21:30,622 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 5710 transitions. Word has length 320 [2021-11-17 02:21:30,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:21:30,623 INFO L470 AbstractCegarLoop]: Abstraction has 3892 states and 5710 transitions. [2021-11-17 02:21:30,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 02:21:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 5710 transitions. [2021-11-17 02:21:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-11-17 02:21:30,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:21:30,634 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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] [2021-11-17 02:21:30,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 02:21:30,634 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:21:30,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:21:30,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1613140526, now seen corresponding path program 1 times [2021-11-17 02:21:30,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:21:30,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71213050] [2021-11-17 02:21:30,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:21:30,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:21:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:21:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:21:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:21:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:21:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:21:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:21:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:21:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:21:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:21:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:21:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:21:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:21:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:21:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:21:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:21:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:21:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:21:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:21:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:21:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:21:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 02:21:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 02:21:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 02:21:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 02:21:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 02:21:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 02:21:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 02:21:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 02:21:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 02:21:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 02:21:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 02:21:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 02:21:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1585 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1576 trivial. 0 not checked. [2021-11-17 02:21:31,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:21:31,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71213050] [2021-11-17 02:21:31,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71213050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:21:31,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:21:31,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 02:21:31,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878658781] [2021-11-17 02:21:31,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:21:31,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 02:21:31,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:21:31,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 02:21:31,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-17 02:21:31,511 INFO L87 Difference]: Start difference. First operand 3892 states and 5710 transitions. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 02:21:33,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:21:35,564 WARN L515 Checker$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 02:21:37,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:21:39,624 WARN L515 Checker$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 02:21:41,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:21:43,696 WARN L515 Checker$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 02:21:50,631 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 02:21:58,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:21:58,736 INFO L93 Difference]: Finished difference Result 11206 states and 16832 transitions. [2021-11-17 02:21:58,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 02:21:58,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 436 [2021-11-17 02:21:58,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:21:58,769 INFO L225 Difference]: With dead ends: 11206 [2021-11-17 02:21:58,769 INFO L226 Difference]: Without dead ends: 7357 [2021-11-17 02:21:58,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2021-11-17 02:21:58,783 INFO L933 BasicCegarLoop]: 1519 mSDtfsCounter, 3248 mSDsluCounter, 5659 mSDsCounter, 0 mSdLazyCounter, 3239 mSolverCounterSat, 2320 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3379 SdHoareTripleChecker+Valid, 7178 SdHoareTripleChecker+Invalid, 5565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2320 IncrementalHoareTripleChecker+Valid, 3239 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2021-11-17 02:21:58,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3379 Valid, 7178 Invalid, 5565 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2320 Valid, 3239 Invalid, 6 Unknown, 0 Unchecked, 26.2s Time] [2021-11-17 02:21:58,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7357 states. [2021-11-17 02:21:58,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7357 to 6722. [2021-11-17 02:21:58,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6722 states, 5220 states have (on average 1.4385057471264369) internal successors, (7509), 5240 states have internal predecessors, (7509), 1199 states have call successors, (1199), 301 states have call predecessors, (1199), 302 states have return successors, (1202), 1196 states have call predecessors, (1202), 1198 states have call successors, (1202) [2021-11-17 02:21:58,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6722 states to 6722 states and 9910 transitions. [2021-11-17 02:21:58,981 INFO L78 Accepts]: Start accepts. Automaton has 6722 states and 9910 transitions. Word has length 436 [2021-11-17 02:21:58,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:21:58,982 INFO L470 AbstractCegarLoop]: Abstraction has 6722 states and 9910 transitions. [2021-11-17 02:21:58,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.2) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 02:21:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 6722 states and 9910 transitions. [2021-11-17 02:21:59,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2021-11-17 02:21:59,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:21:59,001 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 02:21:59,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 02:21:59,002 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:21:59,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:21:59,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1567984205, now seen corresponding path program 1 times [2021-11-17 02:21:59,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:21:59,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130067796] [2021-11-17 02:21:59,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:21:59,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:21:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:21:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:21:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:21:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:21:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:21:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:21:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:21:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:21:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:21:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:21:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:21:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:21:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:21:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:21:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:21:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:21:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:21:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:21:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:21:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:21:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 02:21:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 02:21:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 02:21:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 02:21:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 02:21:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 02:21:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:21:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:21:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 02:21:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 02:21:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 02:21:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 02:21:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 02:21:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 02:21:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-11-17 02:21:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 02:21:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 02:21:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-11-17 02:21:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-11-17 02:21:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:21:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-11-17 02:21:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3076 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3055 trivial. 0 not checked. [2021-11-17 02:22:00,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:22:00,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130067796] [2021-11-17 02:22:00,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130067796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:22:00,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:22:00,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 02:22:00,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709620592] [2021-11-17 02:22:00,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:22:00,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 02:22:00,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:22:00,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 02:22:00,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-17 02:22:00,004 INFO L87 Difference]: Start difference. First operand 6722 states and 9910 transitions. Second operand has 10 states, 10 states have (on average 15.9) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (42), 9 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 02:22:02,036 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 02:22:04,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:06,194 WARN L515 Checker$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 02:22:08,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:13,352 WARN L515 Checker$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 02:22:15,460 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:20,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:22:20,020 INFO L93 Difference]: Finished difference Result 13953 states and 21042 transitions. [2021-11-17 02:22:20,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 02:22:20,021 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (42), 9 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 551 [2021-11-17 02:22:20,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:22:20,050 INFO L225 Difference]: With dead ends: 13953 [2021-11-17 02:22:20,050 INFO L226 Difference]: Without dead ends: 7274 [2021-11-17 02:22:20,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2021-11-17 02:22:20,066 INFO L933 BasicCegarLoop]: 1413 mSDtfsCounter, 1581 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 1715 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 5629 SdHoareTripleChecker+Invalid, 3320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1715 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2021-11-17 02:22:20,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 5629 Invalid, 3320 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1715 Valid, 1599 Invalid, 6 Unknown, 0 Unchecked, 19.1s Time] [2021-11-17 02:22:20,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7274 states. [2021-11-17 02:22:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7274 to 6738. [2021-11-17 02:22:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6738 states, 5236 states have (on average 1.4371657754010696) internal successors, (7525), 5256 states have internal predecessors, (7525), 1199 states have call successors, (1199), 301 states have call predecessors, (1199), 302 states have return successors, (1202), 1196 states have call predecessors, (1202), 1198 states have call successors, (1202) [2021-11-17 02:22:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6738 states to 6738 states and 9926 transitions. [2021-11-17 02:22:20,268 INFO L78 Accepts]: Start accepts. Automaton has 6738 states and 9926 transitions. Word has length 551 [2021-11-17 02:22:20,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:22:20,269 INFO L470 AbstractCegarLoop]: Abstraction has 6738 states and 9926 transitions. [2021-11-17 02:22:20,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (42), 9 states have call predecessors, (42), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 02:22:20,270 INFO L276 IsEmpty]: Start isEmpty. Operand 6738 states and 9926 transitions. [2021-11-17 02:22:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2021-11-17 02:22:20,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:22:20,284 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 02:22:20,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 02:22:20,285 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:22:20,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:22:20,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1891605341, now seen corresponding path program 1 times [2021-11-17 02:22:20,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:22:20,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271089828] [2021-11-17 02:22:20,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:22:20,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:22:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:22:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:22:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:22:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:22:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:22:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:22:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:22:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:22:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:22:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:22:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:22:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:22:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:22:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:22:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:22:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:22:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:22:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:22:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:22:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:22:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 02:22:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:20,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 02:22:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 02:22:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 02:22:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 02:22:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 02:22:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:22:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:22:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 02:22:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 02:22:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 02:22:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 02:22:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 02:22:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:22:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 02:22:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 02:22:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-11-17 02:22:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 02:22:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 02:22:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 02:22:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 02:22:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:22:21,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3059 trivial. 0 not checked. [2021-11-17 02:22:21,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:22:21,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271089828] [2021-11-17 02:22:21,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271089828] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:22:21,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:22:21,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 02:22:21,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764204677] [2021-11-17 02:22:21,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:22:21,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 02:22:21,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:22:21,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 02:22:21,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-17 02:22:21,363 INFO L87 Difference]: Start difference. First operand 6738 states and 9926 transitions. Second operand has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (43), 9 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 02:22:23,402 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 02:22:25,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:27,451 WARN L515 Checker$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 02:22:29,505 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:31,532 WARN L515 Checker$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 02:22:33,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:40,041 WARN L515 Checker$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 02:22:42,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:22:59,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:22:59,260 INFO L93 Difference]: Finished difference Result 24648 states and 39274 transitions. [2021-11-17 02:22:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 02:22:59,260 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (43), 9 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 557 [2021-11-17 02:22:59,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:22:59,337 INFO L225 Difference]: With dead ends: 24648 [2021-11-17 02:22:59,338 INFO L226 Difference]: Without dead ends: 17953 [2021-11-17 02:22:59,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2021-11-17 02:22:59,367 INFO L933 BasicCegarLoop]: 3679 mSDtfsCounter, 2515 mSDsluCounter, 18466 mSDsCounter, 0 mSdLazyCounter, 5058 mSolverCounterSat, 1101 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2768 SdHoareTripleChecker+Valid, 22145 SdHoareTripleChecker+Invalid, 6167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1101 IncrementalHoareTripleChecker+Valid, 5058 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2021-11-17 02:22:59,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2768 Valid, 22145 Invalid, 6167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1101 Valid, 5058 Invalid, 8 Unknown, 0 Unchecked, 36.8s Time] [2021-11-17 02:22:59,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17953 states. [2021-11-17 02:22:59,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17953 to 6746. [2021-11-17 02:22:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6746 states, 5244 states have (on average 1.4364988558352403) internal successors, (7533), 5264 states have internal predecessors, (7533), 1199 states have call successors, (1199), 301 states have call predecessors, (1199), 302 states have return successors, (1202), 1196 states have call predecessors, (1202), 1198 states have call successors, (1202) [2021-11-17 02:22:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6746 states to 6746 states and 9934 transitions. [2021-11-17 02:22:59,755 INFO L78 Accepts]: Start accepts. Automaton has 6746 states and 9934 transitions. Word has length 557 [2021-11-17 02:22:59,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:22:59,757 INFO L470 AbstractCegarLoop]: Abstraction has 6746 states and 9934 transitions. [2021-11-17 02:22:59,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (43), 9 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 02:22:59,757 INFO L276 IsEmpty]: Start isEmpty. Operand 6746 states and 9934 transitions. [2021-11-17 02:22:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2021-11-17 02:22:59,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:22:59,773 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 02:22:59,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 02:22:59,773 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:22:59,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:22:59,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1225749747, now seen corresponding path program 1 times [2021-11-17 02:22:59,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:22:59,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602910633] [2021-11-17 02:22:59,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:22:59,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:22:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:23:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:23:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:23:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:23:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:23:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:23:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:23:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:23:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:23:00,264 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 02:23:00,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,273 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 146 [2021-11-17 02:23:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:23:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,301 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 178 [2021-11-17 02:23:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:23:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,389 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 02:23:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:23:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:23:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:23:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:23:00,477 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 1 [2021-11-17 02:23:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:23:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:23:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:23:00,507 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 1 [2021-11-17 02:23:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 02:23:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 02:23:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 02:23:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 02:23:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 02:23:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 02:23:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 02:23:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 02:23:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 02:23:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 02:23:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 02:23:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:23:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 02:23:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 02:23:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-11-17 02:23:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 02:23:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 02:23:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 02:23:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-11-17 02:23:00,815 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 539 [2021-11-17 02:23:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 02:23:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3059 trivial. 0 not checked. [2021-11-17 02:23:00,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:23:00,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602910633] [2021-11-17 02:23:00,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602910633] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:23:00,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:23:00,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-17 02:23:00,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736927260] [2021-11-17 02:23:00,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:23:00,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-17 02:23:00,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:23:00,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-17 02:23:00,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-17 02:23:00,983 INFO L87 Difference]: Start difference. First operand 6746 states and 9934 transitions. Second operand has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 02:23:03,014 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 02:23:05,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:07,155 WARN L515 Checker$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 02:23:09,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:11,218 WARN L515 Checker$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 02:23:13,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:15,386 WARN L515 Checker$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 02:23:24,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:26,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:40,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:23:40,792 INFO L93 Difference]: Finished difference Result 21164 states and 31637 transitions. [2021-11-17 02:23:40,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-17 02:23:40,794 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 570 [2021-11-17 02:23:40,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:23:40,839 INFO L225 Difference]: With dead ends: 21164 [2021-11-17 02:23:40,839 INFO L226 Difference]: Without dead ends: 14461 [2021-11-17 02:23:40,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2021-11-17 02:23:40,859 INFO L933 BasicCegarLoop]: 1685 mSDtfsCounter, 3362 mSDsluCounter, 8504 mSDsCounter, 0 mSdLazyCounter, 5440 mSolverCounterSat, 2321 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3493 SdHoareTripleChecker+Valid, 10189 SdHoareTripleChecker+Invalid, 7770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2321 IncrementalHoareTripleChecker+Valid, 5440 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2021-11-17 02:23:40,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3493 Valid, 10189 Invalid, 7770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2321 Valid, 5440 Invalid, 9 Unknown, 0 Unchecked, 38.4s Time] [2021-11-17 02:23:40,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14461 states. [2021-11-17 02:23:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14461 to 13390. [2021-11-17 02:23:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13390 states, 10404 states have (on average 1.436562860438293) internal successors, (14946), 10480 states have internal predecessors, (14946), 2377 states have call successors, (2377), 601 states have call predecessors, (2377), 608 states have return successors, (2400), 2340 states have call predecessors, (2400), 2376 states have call successors, (2400) [2021-11-17 02:23:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13390 states to 13390 states and 19723 transitions. [2021-11-17 02:23:41,344 INFO L78 Accepts]: Start accepts. Automaton has 13390 states and 19723 transitions. Word has length 570 [2021-11-17 02:23:41,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:23:41,344 INFO L470 AbstractCegarLoop]: Abstraction has 13390 states and 19723 transitions. [2021-11-17 02:23:41,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.083333333333334) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 02:23:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 13390 states and 19723 transitions. [2021-11-17 02:23:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2021-11-17 02:23:41,372 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:23:41,372 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 02:23:41,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 02:23:41,372 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:23:41,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:23:41,373 INFO L85 PathProgramCache]: Analyzing trace with hash 918014505, now seen corresponding path program 1 times [2021-11-17 02:23:41,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:23:41,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793351591] [2021-11-17 02:23:41,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:23:41,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:23:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:23:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:23:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:23:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:23:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:23:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:23:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:23:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:23:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:23:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:23:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:23:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:23:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:23:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:23:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:23:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:23:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:23:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:23:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:23:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:23:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 02:23:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 02:23:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 02:23:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 02:23:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 02:23:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 02:23:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:23:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:23:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 02:23:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 02:23:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 02:23:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 02:23:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 02:23:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:23:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 02:23:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 02:23:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-11-17 02:23:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 02:23:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 02:23:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 02:23:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-11-17 02:23:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-11-17 02:23:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 02:23:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:23:42,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3059 trivial. 0 not checked. [2021-11-17 02:23:42,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:23:42,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793351591] [2021-11-17 02:23:42,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793351591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:23:42,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:23:42,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-17 02:23:42,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910065913] [2021-11-17 02:23:42,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:23:42,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-17 02:23:42,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:23:42,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-17 02:23:42,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-17 02:23:42,485 INFO L87 Difference]: Start difference. First operand 13390 states and 19723 transitions. Second operand has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 5 states have internal predecessors, (170), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 02:23:44,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:46,543 WARN L515 Checker$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 02:23:48,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:23:50,621 WARN L515 Checker$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 02:24:05,224 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 02:24:09,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:24:09,037 INFO L93 Difference]: Finished difference Result 42140 states and 63036 transitions. [2021-11-17 02:24:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-17 02:24:09,037 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 5 states have internal predecessors, (170), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 571 [2021-11-17 02:24:09,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:24:09,141 INFO L225 Difference]: With dead ends: 42140 [2021-11-17 02:24:09,142 INFO L226 Difference]: Without dead ends: 28793 [2021-11-17 02:24:09,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2021-11-17 02:24:09,180 INFO L933 BasicCegarLoop]: 1539 mSDtfsCounter, 3907 mSDsluCounter, 6205 mSDsCounter, 0 mSdLazyCounter, 4044 mSolverCounterSat, 2910 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4038 SdHoareTripleChecker+Valid, 7744 SdHoareTripleChecker+Invalid, 6959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2910 IncrementalHoareTripleChecker+Valid, 4044 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2021-11-17 02:24:09,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4038 Valid, 7744 Invalid, 6959 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2910 Valid, 4044 Invalid, 5 Unknown, 0 Unchecked, 24.8s Time] [2021-11-17 02:24:09,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28793 states. [2021-11-17 02:24:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28793 to 26730. [2021-11-17 02:24:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26730 states, 20772 states have (on average 1.4357789331792798) internal successors, (29824), 20932 states have internal predecessors, (29824), 4733 states have call successors, (4733), 1201 states have call predecessors, (4733), 1224 states have return successors, (4812), 4660 states have call predecessors, (4812), 4732 states have call successors, (4812) [2021-11-17 02:24:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26730 states to 26730 states and 39369 transitions. [2021-11-17 02:24:10,170 INFO L78 Accepts]: Start accepts. Automaton has 26730 states and 39369 transitions. Word has length 571 [2021-11-17 02:24:10,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:24:10,171 INFO L470 AbstractCegarLoop]: Abstraction has 26730 states and 39369 transitions. [2021-11-17 02:24:10,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.166666666666666) internal successors, (170), 5 states have internal predecessors, (170), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 02:24:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 26730 states and 39369 transitions. [2021-11-17 02:24:10,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2021-11-17 02:24:10,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:24:10,208 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 02:24:10,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 02:24:10,208 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:24:10,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:24:10,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1063673199, now seen corresponding path program 1 times [2021-11-17 02:24:10,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:24:10,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147011935] [2021-11-17 02:24:10,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:24:10,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:24:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:24:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:24:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:24:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:24:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:24:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:24:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:24:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:24:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:24:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:24:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:24:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:24:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:24:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:24:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:24:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:24:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:24:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:24:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:24:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:24:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 02:24:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 02:24:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:10,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 02:24:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 02:24:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 02:24:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 02:24:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 02:24:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 02:24:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 02:24:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 02:24:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 02:24:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:24:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 02:24:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 02:24:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-11-17 02:24:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 02:24:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 02:24:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 02:24:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-11-17 02:24:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-11-17 02:24:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 02:24:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3059 trivial. 0 not checked. [2021-11-17 02:24:11,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:24:11,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147011935] [2021-11-17 02:24:11,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147011935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:24:11,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 02:24:11,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-17 02:24:11,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323746408] [2021-11-17 02:24:11,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:24:11,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-17 02:24:11,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:24:11,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-17 02:24:11,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-17 02:24:11,514 INFO L87 Difference]: Start difference. First operand 26730 states and 39369 transitions. Second operand has 12 states, 12 states have (on average 14.25) internal successors, (171), 5 states have internal predecessors, (171), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 02:24:13,559 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 02:24:15,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:17,608 WARN L515 Checker$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 02:24:19,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:25,626 WARN L515 Checker$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 02:24:27,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:29,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:31,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:34,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 02:24:44,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:24:44,951 INFO L93 Difference]: Finished difference Result 84232 states and 126014 transitions. [2021-11-17 02:24:44,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-17 02:24:44,952 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.25) internal successors, (171), 5 states have internal predecessors, (171), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 572 [2021-11-17 02:24:44,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:24:45,192 INFO L225 Difference]: With dead ends: 84232 [2021-11-17 02:24:45,192 INFO L226 Difference]: Without dead ends: 57545 [2021-11-17 02:24:45,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2021-11-17 02:24:45,266 INFO L933 BasicCegarLoop]: 1397 mSDtfsCounter, 4408 mSDsluCounter, 4843 mSDsCounter, 0 mSdLazyCounter, 3651 mSolverCounterSat, 3186 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4539 SdHoareTripleChecker+Valid, 6240 SdHoareTripleChecker+Invalid, 6846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3186 IncrementalHoareTripleChecker+Valid, 3651 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2021-11-17 02:24:45,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4539 Valid, 6240 Invalid, 6846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3186 Valid, 3651 Invalid, 9 Unknown, 0 Unchecked, 31.0s Time] [2021-11-17 02:24:45,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57545 states. [2021-11-17 02:24:46,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57545 to 53434. [2021-11-17 02:24:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53434 states, 41524 states have (on average 1.4352181870725365) internal successors, (59596), 41860 states have internal predecessors, (59596), 9445 states have call successors, (9445), 2401 states have call predecessors, (9445), 2464 states have return successors, (9668), 9300 states have call predecessors, (9668), 9444 states have call successors, (9668) [2021-11-17 02:24:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53434 states to 53434 states and 78709 transitions. [2021-11-17 02:24:47,322 INFO L78 Accepts]: Start accepts. Automaton has 53434 states and 78709 transitions. Word has length 572 [2021-11-17 02:24:47,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:24:47,323 INFO L470 AbstractCegarLoop]: Abstraction has 53434 states and 78709 transitions. [2021-11-17 02:24:47,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.25) internal successors, (171), 5 states have internal predecessors, (171), 3 states have call successors, (45), 9 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 02:24:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 53434 states and 78709 transitions. [2021-11-17 02:24:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2021-11-17 02:24:47,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:24:47,352 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 02:24:47,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 02:24:47,353 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:24:47,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:24:47,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1447204440, now seen corresponding path program 1 times [2021-11-17 02:24:47,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:24:47,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145035174] [2021-11-17 02:24:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:24:47,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:24:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:24:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:24:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:24:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:24:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:24:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:24:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:24:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:24:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:24:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:24:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:24:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:24:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:24:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:24:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:24:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:24:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:24:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:24:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:24:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:24:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 02:24:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 02:24:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 02:24:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 02:24:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 02:24:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 02:24:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 02:24:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 02:24:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 02:24:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 02:24:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 02:24:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:24:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 02:24:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-17 02:24:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-17 02:24:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 02:24:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 02:24:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 02:24:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 02:24:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 02:24:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-11-17 02:24:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-11-17 02:24:48,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:24:48,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145035174] [2021-11-17 02:24:48,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145035174] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 02:24:48,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869562370] [2021-11-17 02:24:48,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:24:48,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 02:24:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 02:24:48,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 02:24:48,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 02:24:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:49,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 4649 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-17 02:24:49,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 02:24:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3045 trivial. 0 not checked. [2021-11-17 02:24:51,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 02:24:51,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869562370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:24:51,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 02:24:51,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 15 [2021-11-17 02:24:51,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717556693] [2021-11-17 02:24:51,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:24:51,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 02:24:51,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:24:51,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 02:24:51,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-17 02:24:51,011 INFO L87 Difference]: Start difference. First operand 53434 states and 78709 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 02:24:54,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:24:54,267 INFO L93 Difference]: Finished difference Result 187480 states and 289730 transitions. [2021-11-17 02:24:54,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 02:24:54,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 572 [2021-11-17 02:24:54,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:24:54,840 INFO L225 Difference]: With dead ends: 187480 [2021-11-17 02:24:54,840 INFO L226 Difference]: Without dead ends: 134089 [2021-11-17 02:24:54,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-11-17 02:24:54,982 INFO L933 BasicCegarLoop]: 2523 mSDtfsCounter, 2177 mSDsluCounter, 4465 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 6988 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 02:24:54,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2348 Valid, 6988 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 02:24:55,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134089 states. [2021-11-17 02:24:57,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134089 to 53498. [2021-11-17 02:24:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53498 states, 41588 states have (on average 1.4345484274309896) internal successors, (59660), 41924 states have internal predecessors, (59660), 9445 states have call successors, (9445), 2401 states have call predecessors, (9445), 2464 states have return successors, (9668), 9300 states have call predecessors, (9668), 9444 states have call successors, (9668) [2021-11-17 02:24:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53498 states to 53498 states and 78773 transitions. [2021-11-17 02:24:57,980 INFO L78 Accepts]: Start accepts. Automaton has 53498 states and 78773 transitions. Word has length 572 [2021-11-17 02:24:57,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:24:57,981 INFO L470 AbstractCegarLoop]: Abstraction has 53498 states and 78773 transitions. [2021-11-17 02:24:57,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 02:24:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 53498 states and 78773 transitions. [2021-11-17 02:24:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2021-11-17 02:24:58,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:24:58,010 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 02:24:58,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 02:24:58,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-17 02:24:58,224 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:24:58,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:24:58,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1047981250, now seen corresponding path program 1 times [2021-11-17 02:24:58,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:24:58,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584529714] [2021-11-17 02:24:58,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:24:58,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:24:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:24:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:24:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:24:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:24:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:24:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:24:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:24:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:24:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:24:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:24:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:24:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:24:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:24:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:24:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:24:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:58,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:24:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:24:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:24:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:24:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:24:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 02:24:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 02:24:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 02:24:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 02:24:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 02:24:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 02:24:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:24:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:24:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 02:24:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 02:24:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 02:24:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 02:24:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 02:24:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:24:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-11-17 02:24:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:24:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-17 02:24:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:24:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-11-17 02:24:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:24:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 02:24:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-11-17 02:24:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:24:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-11-17 02:24:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-11-17 02:24:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-11-17 02:24:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 02:24:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2021-11-17 02:24:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-11-17 02:24:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-11-17 02:24:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-11-17 02:24:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-11-17 02:24:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:24:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3134 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 3111 trivial. 0 not checked. [2021-11-17 02:24:59,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:24:59,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584529714] [2021-11-17 02:24:59,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584529714] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 02:24:59,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965929991] [2021-11-17 02:24:59,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:24:59,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 02:24:59,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 02:24:59,984 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 02:24:59,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 02:25:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:00,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 5122 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-17 02:25:00,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 02:25:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3134 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 3071 trivial. 0 not checked. [2021-11-17 02:25:02,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 02:25:02,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965929991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:25:02,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 02:25:02,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-11-17 02:25:02,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264051949] [2021-11-17 02:25:02,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:25:02,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 02:25:02,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:25:02,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 02:25:02,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-17 02:25:02,252 INFO L87 Difference]: Start difference. First operand 53498 states and 78773 transitions. Second operand has 5 states, 5 states have (on average 40.4) internal successors, (202), 4 states have internal predecessors, (202), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 02:25:04,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:25:04,506 INFO L93 Difference]: Finished difference Result 134286 states and 203400 transitions. [2021-11-17 02:25:04,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 02:25:04,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 4 states have internal predecessors, (202), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 632 [2021-11-17 02:25:04,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:25:04,773 INFO L225 Difference]: With dead ends: 134286 [2021-11-17 02:25:04,773 INFO L226 Difference]: Without dead ends: 80831 [2021-11-17 02:25:04,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 818 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-17 02:25:04,877 INFO L933 BasicCegarLoop]: 2244 mSDtfsCounter, 582 mSDsluCounter, 6049 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 8293 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 02:25:04,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 8293 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 02:25:04,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80831 states. [2021-11-17 02:25:06,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80831 to 53626. [2021-11-17 02:25:06,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53626 states, 41684 states have (on average 1.433547644180021) internal successors, (59756), 42020 states have internal predecessors, (59756), 9445 states have call successors, (9445), 2401 states have call predecessors, (9445), 2496 states have return successors, (10116), 9332 states have call predecessors, (10116), 9444 states have call successors, (10116) [2021-11-17 02:25:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53626 states to 53626 states and 79317 transitions. [2021-11-17 02:25:06,964 INFO L78 Accepts]: Start accepts. Automaton has 53626 states and 79317 transitions. Word has length 632 [2021-11-17 02:25:06,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:25:06,965 INFO L470 AbstractCegarLoop]: Abstraction has 53626 states and 79317 transitions. [2021-11-17 02:25:06,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 4 states have internal predecessors, (202), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 02:25:06,965 INFO L276 IsEmpty]: Start isEmpty. Operand 53626 states and 79317 transitions. [2021-11-17 02:25:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2021-11-17 02:25:06,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:25:06,993 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 02:25:07,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 02:25:07,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-17 02:25:07,198 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:25:07,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:25:07,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1978957231, now seen corresponding path program 1 times [2021-11-17 02:25:07,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:25:07,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617433650] [2021-11-17 02:25:07,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:25:07,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:25:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:25:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:25:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:25:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:25:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:25:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:25:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:25:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:25:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:25:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:25:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:25:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:25:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:25:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:25:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:25:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:25:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:25:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:25:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:25:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:25:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 02:25:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 02:25:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 02:25:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 02:25:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 02:25:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 02:25:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 02:25:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 02:25:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 02:25:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 02:25:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 02:25:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 02:25:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:25:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2021-11-17 02:25:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:25:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 02:25:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:25:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 02:25:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 02:25:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:25:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 02:25:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-11-17 02:25:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 02:25:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-11-17 02:25:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2021-11-17 02:25:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2021-11-17 02:25:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-11-17 02:25:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-11-17 02:25:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-11-17 02:25:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3118 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 3095 trivial. 0 not checked. [2021-11-17 02:25:08,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:25:08,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617433650] [2021-11-17 02:25:08,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617433650] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 02:25:08,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152019889] [2021-11-17 02:25:08,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:25:08,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 02:25:08,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 02:25:08,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 02:25:08,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 02:25:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:09,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 5039 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-17 02:25:09,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 02:25:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3118 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 3063 trivial. 0 not checked. [2021-11-17 02:25:10,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 02:25:10,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152019889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 02:25:10,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 02:25:10,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-11-17 02:25:10,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470319065] [2021-11-17 02:25:10,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 02:25:10,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 02:25:10,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 02:25:10,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 02:25:10,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-17 02:25:10,960 INFO L87 Difference]: Start difference. First operand 53626 states and 79317 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 02:25:13,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 02:25:13,163 INFO L93 Difference]: Finished difference Result 134478 states and 204008 transitions. [2021-11-17 02:25:13,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 02:25:13,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 628 [2021-11-17 02:25:13,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 02:25:13,415 INFO L225 Difference]: With dead ends: 134478 [2021-11-17 02:25:13,416 INFO L226 Difference]: Without dead ends: 80895 [2021-11-17 02:25:13,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 812 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-17 02:25:13,542 INFO L933 BasicCegarLoop]: 2244 mSDtfsCounter, 582 mSDsluCounter, 6049 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 8293 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 02:25:13,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 8293 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 02:25:13,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80895 states. [2021-11-17 02:25:15,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80895 to 53690. [2021-11-17 02:25:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53690 states, 41748 states have (on average 1.4328830123598735) internal successors, (59820), 42052 states have internal predecessors, (59820), 9445 states have call successors, (9445), 2401 states have call predecessors, (9445), 2496 states have return successors, (10116), 9364 states have call predecessors, (10116), 9444 states have call successors, (10116) [2021-11-17 02:25:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53690 states to 53690 states and 79381 transitions. [2021-11-17 02:25:15,770 INFO L78 Accepts]: Start accepts. Automaton has 53690 states and 79381 transitions. Word has length 628 [2021-11-17 02:25:15,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 02:25:15,771 INFO L470 AbstractCegarLoop]: Abstraction has 53690 states and 79381 transitions. [2021-11-17 02:25:15,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 02:25:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 53690 states and 79381 transitions. [2021-11-17 02:25:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2021-11-17 02:25:15,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 02:25:15,800 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 02:25:15,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 02:25:16,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 02:25:16,016 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 02:25:16,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 02:25:16,016 INFO L85 PathProgramCache]: Analyzing trace with hash 252064030, now seen corresponding path program 2 times [2021-11-17 02:25:16,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 02:25:16,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091227717] [2021-11-17 02:25:16,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 02:25:16,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 02:25:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:25:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 02:25:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 02:25:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 02:25:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 02:25:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 02:25:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 02:25:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 02:25:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 02:25:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 02:25:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 02:25:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 02:25:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 02:25:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 02:25:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 02:25:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 02:25:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 02:25:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 02:25:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 02:25:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 02:25:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 02:25:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 02:25:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 02:25:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 02:25:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 02:25:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 02:25:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 02:25:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 02:25:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 02:25:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 02:25:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 02:25:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 02:25:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 02:25:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 02:25:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 02:25:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:25:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 02:25:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 02:25:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 02:25:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 02:25:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 02:25:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 02:25:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 02:25:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2021-11-17 02:25:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-11-17 02:25:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-11-17 02:25:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-11-17 02:25:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-11-17 02:25:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2021-11-17 02:25:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-11-17 02:25:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 02:25:17,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3110 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 3087 trivial. 0 not checked. [2021-11-17 02:25:17,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 02:25:17,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091227717] [2021-11-17 02:25:17,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091227717] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 02:25:17,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661055744] [2021-11-17 02:25:17,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 02:25:17,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 02:25:17,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 02:25:17,410 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 02:25:17,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process Killed by 15