./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.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 4b418a847569c2fdb13e49f0158439b90c8dabf7cf2f41b74c1e9948cb252ab6 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 07:55:54,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 07:55:54,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 07:55:54,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 07:55:55,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 07:55:55,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 07:55:55,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 07:55:55,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 07:55:55,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 07:55:55,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 07:55:55,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 07:55:55,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 07:55:55,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 07:55:55,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 07:55:55,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 07:55:55,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 07:55:55,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 07:55:55,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 07:55:55,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 07:55:55,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 07:55:55,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 07:55:55,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 07:55:55,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 07:55:55,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 07:55:55,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 07:55:55,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 07:55:55,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 07:55:55,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 07:55:55,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 07:55:55,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 07:55:55,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 07:55:55,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 07:55:55,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 07:55:55,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 07:55:55,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 07:55:55,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 07:55:55,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 07:55:55,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 07:55:55,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 07:55:55,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 07:55:55,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 07:55:55,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 07:55:55,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 07:55:55,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 07:55:55,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 07:55:55,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 07:55:55,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 07:55:55,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 07:55:55,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 07:55:55,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 07:55:55,099 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 07:55:55,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 07:55:55,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 07:55:55,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 07:55:55,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 07:55:55,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 07:55:55,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 07:55:55,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 07:55:55,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 07:55:55,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 07:55:55,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 07:55:55,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 07:55:55,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 07:55:55,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 07:55:55,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 07:55:55,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 07:55:55,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 07:55:55,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 07:55:55,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 07:55:55,103 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 07:55:55,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 07:55:55,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 07:55:55,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 07:55:55,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b418a847569c2fdb13e49f0158439b90c8dabf7cf2f41b74c1e9948cb252ab6 [2021-12-18 07:55:55,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 07:55:55,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 07:55:55,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 07:55:55,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 07:55:55,394 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 07:55:55,395 INFO L432 ainManager$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-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2021-12-18 07:55:55,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c8dd331/1c3b0503ed5a4230bd3c4303898e2727/FLAGf878efcc4 [2021-12-18 07:55:56,247 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 07:55:56,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2021-12-18 07:55:56,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c8dd331/1c3b0503ed5a4230bd3c4303898e2727/FLAGf878efcc4 [2021-12-18 07:55:56,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c8dd331/1c3b0503ed5a4230bd3c4303898e2727 [2021-12-18 07:55:56,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 07:55:56,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 07:55:56,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 07:55:56,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 07:55:56,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 07:55:56,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:55:56" (1/1) ... [2021-12-18 07:55:56,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0987e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:56, skipping insertion in model container [2021-12-18 07:55:56,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:55:56" (1/1) ... [2021-12-18 07:55:56,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 07:55:56,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 07:55:57,801 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-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[235755,235768] [2021-12-18 07:55:57,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 07:55:57,930 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 07:55:58,185 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-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[235755,235768] [2021-12-18 07:55:58,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 07:55:58,291 INFO L208 MainTranslator]: Completed translation [2021-12-18 07:55:58,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58 WrapperNode [2021-12-18 07:55:58,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 07:55:58,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 07:55:58,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 07:55:58,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 07:55:58,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,519 INFO L137 Inliner]: procedures = 223, calls = 2434, calls flagged for inlining = 70, calls inlined = 65, statements flattened = 5052 [2021-12-18 07:55:58,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 07:55:58,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 07:55:58,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 07:55:58,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 07:55:58,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 07:55:58,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 07:55:58,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 07:55:58,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 07:55:58,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (1/1) ... [2021-12-18 07:55:58,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 07:55:58,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 07:55:58,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 07:55:58,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 07:55:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 07:55:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 07:55:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2021-12-18 07:55:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2021-12-18 07:55:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-18 07:55:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-18 07:55:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 07:55:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 07:55:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 07:55:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 07:55:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 07:55:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 07:55:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2021-12-18 07:55:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2021-12-18 07:55:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2021-12-18 07:55:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2021-12-18 07:55:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 07:55:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 07:55:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2021-12-18 07:55:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_td_open_close_lock_of_ti_device [2021-12-18 07:55:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2021-12-18 07:55:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2021-12-18 07:55:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-12-18 07:55:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-12-18 07:55:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2021-12-18 07:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2021-12-18 07:55:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2021-12-18 07:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2021-12-18 07:55:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 07:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 07:55:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 07:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 07:55:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2021-12-18 07:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2021-12-18 07:55:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 07:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 07:55:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2021-12-18 07:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2021-12-18 07:55:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 07:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 07:55:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2021-12-18 07:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2021-12-18 07:55:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-12-18 07:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-12-18 07:55:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2021-12-18 07:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2021-12-18 07:55:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_remove [2021-12-18 07:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_remove [2021-12-18 07:55:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2021-12-18 07:55:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2021-12-18 07:55:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 07:55:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 07:55:58,904 INFO L130 BoogieDeclarations]: Found specification of procedure ti_port_probe [2021-12-18 07:55:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_port_probe [2021-12-18 07:55:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 07:55:58,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-12-18 07:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-12-18 07:55:58,906 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2021-12-18 07:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2021-12-18 07:55:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2021-12-18 07:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2021-12-18 07:55:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 07:55:58,907 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tx_empty [2021-12-18 07:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tx_empty [2021-12-18 07:55:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 07:55:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 07:55:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-18 07:55:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-18 07:55:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 07:55:58,908 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2021-12-18 07:55:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2021-12-18 07:55:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 07:55:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2021-12-18 07:55:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2021-12-18 07:55:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-18 07:55:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-18 07:55:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2021-12-18 07:55:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2021-12-18 07:55:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 07:55:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 07:55:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 07:55:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 07:55:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 07:55:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 07:55:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 07:55:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 07:55:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-12-18 07:55:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-12-18 07:55:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 07:55:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 07:55:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-18 07:55:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-18 07:55:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-12-18 07:55:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-12-18 07:55:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 07:55:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 07:55:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 07:55:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2021-12-18 07:55:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2021-12-18 07:55:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 07:55:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 07:55:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 07:55:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 07:55:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2021-12-18 07:55:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2021-12-18 07:55:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2021-12-18 07:55:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2021-12-18 07:55:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 07:55:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 07:55:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 07:55:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2021-12-18 07:55:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2021-12-18 07:55:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2021-12-18 07:55:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2021-12-18 07:55:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 07:55:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 07:55:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2021-12-18 07:55:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2021-12-18 07:55:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 07:55:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 07:55:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 07:55:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 07:55:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 07:55:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2021-12-18 07:55:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2021-12-18 07:55:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 07:55:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 07:55:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 07:55:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 07:55:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2021-12-18 07:55:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2021-12-18 07:55:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-18 07:55:58,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-18 07:55:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2021-12-18 07:55:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_td_open_close_lock_of_ti_device [2021-12-18 07:55:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2021-12-18 07:55:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2021-12-18 07:55:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 07:55:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 07:55:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-18 07:55:58,930 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-18 07:55:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 07:55:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 07:55:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2021-12-18 07:55:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2021-12-18 07:55:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 07:55:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2021-12-18 07:55:58,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2021-12-18 07:55:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2021-12-18 07:55:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2021-12-18 07:55:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 07:55:58,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 07:55:59,533 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 07:55:59,535 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 07:56:00,210 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 07:56:02,693 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 07:56:02,708 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 07:56:02,708 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-18 07:56:02,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:56:02 BoogieIcfgContainer [2021-12-18 07:56:02,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 07:56:02,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 07:56:02,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 07:56:02,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 07:56:02,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 07:55:56" (1/3) ... [2021-12-18 07:56:02,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aac9dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:56:02, skipping insertion in model container [2021-12-18 07:56:02,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:55:58" (2/3) ... [2021-12-18 07:56:02,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aac9dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:56:02, skipping insertion in model container [2021-12-18 07:56:02,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:56:02" (3/3) ... [2021-12-18 07:56:02,724 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2021-12-18 07:56:02,729 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 07:56:02,729 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 07:56:02,786 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 07:56:02,795 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 07:56:02,795 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 07:56:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 1516 states, 1071 states have (on average 1.4089635854341738) internal successors, (1509), 1090 states have internal predecessors, (1509), 376 states have call successors, (376), 68 states have call predecessors, (376), 67 states have return successors, (372), 372 states have call predecessors, (372), 372 states have call successors, (372) [2021-12-18 07:56:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-18 07:56:02,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:02,868 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:56:02,868 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:02,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:02,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1454246335, now seen corresponding path program 1 times [2021-12-18 07:56:02,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:02,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594316528] [2021-12-18 07:56:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:02,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:56:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:56:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:56:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:56:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:56:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:56:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:56:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:56:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:56:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:56:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:56:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:56:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:56:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:56:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-18 07:56:04,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:04,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594316528] [2021-12-18 07:56:04,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594316528] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:04,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:04,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 07:56:04,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809277346] [2021-12-18 07:56:04,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:04,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 07:56:04,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:04,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 07:56:04,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 07:56:04,376 INFO L87 Difference]: Start difference. First operand has 1516 states, 1071 states have (on average 1.4089635854341738) internal successors, (1509), 1090 states have internal predecessors, (1509), 376 states have call successors, (376), 68 states have call predecessors, (376), 67 states have return successors, (372), 372 states have call predecessors, (372), 372 states have call successors, (372) Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-12-18 07:56:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:07,273 INFO L93 Difference]: Finished difference Result 3099 states and 4792 transitions. [2021-12-18 07:56:07,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 07:56:07,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 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 265 [2021-12-18 07:56:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:07,316 INFO L225 Difference]: With dead ends: 3099 [2021-12-18 07:56:07,317 INFO L226 Difference]: Without dead ends: 1577 [2021-12-18 07:56:07,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:56:07,339 INFO L933 BasicCegarLoop]: 2114 mSDtfsCounter, 799 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 1293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1293 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:07,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [838 Valid, 3320 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1293 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-18 07:56:07,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2021-12-18 07:56:07,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1505. [2021-12-18 07:56:07,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1066 states have (on average 1.403377110694184) internal successors, (1496), 1079 states have internal predecessors, (1496), 372 states have call successors, (372), 67 states have call predecessors, (372), 66 states have return successors, (366), 366 states have call predecessors, (366), 366 states have call successors, (366) [2021-12-18 07:56:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2234 transitions. [2021-12-18 07:56:07,508 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2234 transitions. Word has length 265 [2021-12-18 07:56:07,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:07,509 INFO L470 AbstractCegarLoop]: Abstraction has 1505 states and 2234 transitions. [2021-12-18 07:56:07,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-12-18 07:56:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2234 transitions. [2021-12-18 07:56:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-18 07:56:07,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:07,516 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:56:07,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 07:56:07,516 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:07,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:07,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1060099509, now seen corresponding path program 1 times [2021-12-18 07:56:07,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:07,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211776065] [2021-12-18 07:56:07,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:07,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:07,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:56:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:56:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:56:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:56:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:56:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:56:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:56:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:56:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:56:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:56:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:56:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:56:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:56:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:56:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-18 07:56:08,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:08,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211776065] [2021-12-18 07:56:08,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211776065] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:08,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:08,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:56:08,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511738083] [2021-12-18 07:56:08,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:08,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:56:08,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:08,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:56:08,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:56:08,261 INFO L87 Difference]: Start difference. First operand 1505 states and 2234 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-12-18 07:56:13,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:13,581 INFO L93 Difference]: Finished difference Result 4517 states and 6875 transitions. [2021-12-18 07:56:13,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:56:13,582 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 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 265 [2021-12-18 07:56:13,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:13,601 INFO L225 Difference]: With dead ends: 4517 [2021-12-18 07:56:13,602 INFO L226 Difference]: Without dead ends: 3060 [2021-12-18 07:56:13,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 07:56:13,613 INFO L933 BasicCegarLoop]: 2392 mSDtfsCounter, 2791 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 1788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 6708 SdHoareTripleChecker+Invalid, 3837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1788 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:13,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3066 Valid, 6708 Invalid, 3837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1788 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-18 07:56:13,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2021-12-18 07:56:13,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 2915. [2021-12-18 07:56:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2078 states have (on average 1.410009624639076) internal successors, (2930), 2099 states have internal predecessors, (2930), 707 states have call successors, (707), 130 states have call predecessors, (707), 129 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2021-12-18 07:56:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 4338 transitions. [2021-12-18 07:56:13,760 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 4338 transitions. Word has length 265 [2021-12-18 07:56:13,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:13,763 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 4338 transitions. [2021-12-18 07:56:13,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-12-18 07:56:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 4338 transitions. [2021-12-18 07:56:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-18 07:56:13,768 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:13,768 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:56:13,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 07:56:13,768 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:13,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:13,769 INFO L85 PathProgramCache]: Analyzing trace with hash -320861640, now seen corresponding path program 1 times [2021-12-18 07:56:13,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:13,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467993824] [2021-12-18 07:56:13,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:13,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:56:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:56:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:56:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:56:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:56:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:56:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:56:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:56:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:56:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:56:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:56:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:56:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:56:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:56:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-18 07:56:14,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:14,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467993824] [2021-12-18 07:56:14,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467993824] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:14,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:14,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:56:14,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440530797] [2021-12-18 07:56:14,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:14,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:56:14,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:14,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:56:14,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:56:14,471 INFO L87 Difference]: Start difference. First operand 2915 states and 4338 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-12-18 07:56:18,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:18,790 INFO L93 Difference]: Finished difference Result 3058 states and 4704 transitions. [2021-12-18 07:56:18,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 07:56:18,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 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 267 [2021-12-18 07:56:18,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:18,808 INFO L225 Difference]: With dead ends: 3058 [2021-12-18 07:56:18,808 INFO L226 Difference]: Without dead ends: 3055 [2021-12-18 07:56:18,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-18 07:56:18,810 INFO L933 BasicCegarLoop]: 2098 mSDtfsCounter, 2404 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 1025 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2644 SdHoareTripleChecker+Valid, 5373 SdHoareTripleChecker+Invalid, 2680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1025 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:18,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2644 Valid, 5373 Invalid, 2680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1025 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 07:56:18,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2021-12-18 07:56:18,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2914. [2021-12-18 07:56:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2078 states have (on average 1.4095283926852744) internal successors, (2929), 2098 states have internal predecessors, (2929), 706 states have call successors, (706), 130 states have call predecessors, (706), 129 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2021-12-18 07:56:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4336 transitions. [2021-12-18 07:56:18,911 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 4336 transitions. Word has length 267 [2021-12-18 07:56:18,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:18,912 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 4336 transitions. [2021-12-18 07:56:18,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-12-18 07:56:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 4336 transitions. [2021-12-18 07:56:18,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-18 07:56:18,918 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:18,918 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:56:18,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 07:56:18,919 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:18,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:18,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1357326777, now seen corresponding path program 1 times [2021-12-18 07:56:18,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:18,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881700873] [2021-12-18 07:56:18,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:18,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:56:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:56:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:56:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:56:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:56:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:56:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:56:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:56:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:56:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:56:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:56:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:56:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:56:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:56:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-18 07:56:19,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:19,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881700873] [2021-12-18 07:56:19,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881700873] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:19,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:19,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:56:19,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413450594] [2021-12-18 07:56:19,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:19,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:56:19,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:19,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:56:19,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:56:19,572 INFO L87 Difference]: Start difference. First operand 2914 states and 4336 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-12-18 07:56:22,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:22,150 INFO L93 Difference]: Finished difference Result 3057 states and 4702 transitions. [2021-12-18 07:56:22,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 07:56:22,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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 268 [2021-12-18 07:56:22,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:22,170 INFO L225 Difference]: With dead ends: 3057 [2021-12-18 07:56:22,170 INFO L226 Difference]: Without dead ends: 3054 [2021-12-18 07:56:22,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-18 07:56:22,174 INFO L933 BasicCegarLoop]: 2097 mSDtfsCounter, 2716 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 1481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 3295 SdHoareTripleChecker+Invalid, 2181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1481 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:22,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2956 Valid, 3295 Invalid, 2181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1481 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-18 07:56:22,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3054 states. [2021-12-18 07:56:22,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3054 to 2913. [2021-12-18 07:56:22,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2913 states, 2078 states have (on average 1.4090471607314725) internal successors, (2928), 2097 states have internal predecessors, (2928), 705 states have call successors, (705), 130 states have call predecessors, (705), 129 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2021-12-18 07:56:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2913 states and 4334 transitions. [2021-12-18 07:56:22,278 INFO L78 Accepts]: Start accepts. Automaton has 2913 states and 4334 transitions. Word has length 268 [2021-12-18 07:56:22,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:22,282 INFO L470 AbstractCegarLoop]: Abstraction has 2913 states and 4334 transitions. [2021-12-18 07:56:22,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-12-18 07:56:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 4334 transitions. [2021-12-18 07:56:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-18 07:56:22,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:22,286 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:56:22,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 07:56:22,287 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:22,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:22,287 INFO L85 PathProgramCache]: Analyzing trace with hash 871997211, now seen corresponding path program 1 times [2021-12-18 07:56:22,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:22,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515375280] [2021-12-18 07:56:22,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:22,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:56:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:56:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:56:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:56:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:56:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:56:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:56:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:56:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:56:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:56:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:56:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:56:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:56:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:56:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-18 07:56:22,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:22,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515375280] [2021-12-18 07:56:22,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515375280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:22,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:22,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:56:22,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723208763] [2021-12-18 07:56:22,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:22,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:56:22,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:22,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:56:22,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:56:22,943 INFO L87 Difference]: Start difference. First operand 2913 states and 4334 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-12-18 07:56:25,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:25,578 INFO L93 Difference]: Finished difference Result 3056 states and 4700 transitions. [2021-12-18 07:56:25,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 07:56:25,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 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 269 [2021-12-18 07:56:25,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:25,599 INFO L225 Difference]: With dead ends: 3056 [2021-12-18 07:56:25,600 INFO L226 Difference]: Without dead ends: 3053 [2021-12-18 07:56:25,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-18 07:56:25,604 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 2712 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 1475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 3291 SdHoareTripleChecker+Invalid, 2179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1475 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:25,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2950 Valid, 3291 Invalid, 2179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1475 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-18 07:56:25,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2021-12-18 07:56:25,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 2912. [2021-12-18 07:56:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2078 states have (on average 1.4085659287776708) internal successors, (2927), 2096 states have internal predecessors, (2927), 704 states have call successors, (704), 130 states have call predecessors, (704), 129 states have return successors, (701), 701 states have call predecessors, (701), 701 states have call successors, (701) [2021-12-18 07:56:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 4332 transitions. [2021-12-18 07:56:25,732 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 4332 transitions. Word has length 269 [2021-12-18 07:56:25,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:25,733 INFO L470 AbstractCegarLoop]: Abstraction has 2912 states and 4332 transitions. [2021-12-18 07:56:25,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-12-18 07:56:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 4332 transitions. [2021-12-18 07:56:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-18 07:56:25,760 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:25,761 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:56:25,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 07:56:25,761 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:25,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:25,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1261568970, now seen corresponding path program 1 times [2021-12-18 07:56:25,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:25,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74208716] [2021-12-18 07:56:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:25,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:56:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:56:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:56:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:56:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:56:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:56:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:56:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:56:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:56:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:56:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:56:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:56:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:56:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:56:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-18 07:56:26,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:26,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74208716] [2021-12-18 07:56:26,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74208716] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:26,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:26,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 07:56:26,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747489697] [2021-12-18 07:56:26,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:26,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 07:56:26,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:26,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 07:56:26,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 07:56:26,471 INFO L87 Difference]: Start difference. First operand 2912 states and 4332 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-12-18 07:56:31,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:31,661 INFO L93 Difference]: Finished difference Result 8873 states and 13563 transitions. [2021-12-18 07:56:31,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 07:56:31,661 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 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 270 [2021-12-18 07:56:31,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:31,701 INFO L225 Difference]: With dead ends: 8873 [2021-12-18 07:56:31,702 INFO L226 Difference]: Without dead ends: 6002 [2021-12-18 07:56:31,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 07:56:31,722 INFO L933 BasicCegarLoop]: 2463 mSDtfsCounter, 3140 mSDsluCounter, 4289 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 1882 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 6752 SdHoareTripleChecker+Invalid, 3944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1882 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:31,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3411 Valid, 6752 Invalid, 3944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1882 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-18 07:56:31,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2021-12-18 07:56:31,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 5726. [2021-12-18 07:56:31,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5726 states, 4096 states have (on average 1.412109375) internal successors, (5784), 4136 states have internal predecessors, (5784), 1374 states have call successors, (1374), 253 states have call predecessors, (1374), 255 states have return successors, (1401), 1368 states have call predecessors, (1401), 1369 states have call successors, (1401) [2021-12-18 07:56:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 8559 transitions. [2021-12-18 07:56:31,960 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 8559 transitions. Word has length 270 [2021-12-18 07:56:31,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:31,961 INFO L470 AbstractCegarLoop]: Abstraction has 5726 states and 8559 transitions. [2021-12-18 07:56:31,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2021-12-18 07:56:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 8559 transitions. [2021-12-18 07:56:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-18 07:56:31,970 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:31,971 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:56:31,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 07:56:31,971 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:31,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:31,972 INFO L85 PathProgramCache]: Analyzing trace with hash -309930588, now seen corresponding path program 1 times [2021-12-18 07:56:31,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:31,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756381683] [2021-12-18 07:56:31,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:31,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:56:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:56:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:56:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:56:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:56:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:56:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:56:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:56:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:56:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:56:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:56:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:56:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:56:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:56:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 07:56:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 07:56:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 07:56:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 07:56:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:32,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-18 07:56:32,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:32,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756381683] [2021-12-18 07:56:32,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756381683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:32,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:32,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 07:56:32,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924259310] [2021-12-18 07:56:32,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:32,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 07:56:32,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:32,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 07:56:32,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:56:32,558 INFO L87 Difference]: Start difference. First operand 5726 states and 8559 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 07:56:39,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:39,807 INFO L93 Difference]: Finished difference Result 16591 states and 25018 transitions. [2021-12-18 07:56:39,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 07:56:39,809 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 306 [2021-12-18 07:56:39,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:39,877 INFO L225 Difference]: With dead ends: 16591 [2021-12-18 07:56:39,877 INFO L226 Difference]: Without dead ends: 10913 [2021-12-18 07:56:39,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-18 07:56:39,916 INFO L933 BasicCegarLoop]: 2125 mSDtfsCounter, 4366 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 3154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4669 SdHoareTripleChecker+Valid, 5372 SdHoareTripleChecker+Invalid, 7538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3154 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:39,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4669 Valid, 5372 Invalid, 7538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3154 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-12-18 07:56:39,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10913 states. [2021-12-18 07:56:40,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10913 to 10352. [2021-12-18 07:56:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10352 states, 7428 states have (on average 1.4006462035541196) internal successors, (10404), 7510 states have internal predecessors, (10404), 2416 states have call successors, (2416), 497 states have call predecessors, (2416), 507 states have return successors, (2469), 2408 states have call predecessors, (2469), 2411 states have call successors, (2469) [2021-12-18 07:56:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10352 states to 10352 states and 15289 transitions. [2021-12-18 07:56:40,385 INFO L78 Accepts]: Start accepts. Automaton has 10352 states and 15289 transitions. Word has length 306 [2021-12-18 07:56:40,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:40,386 INFO L470 AbstractCegarLoop]: Abstraction has 10352 states and 15289 transitions. [2021-12-18 07:56:40,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 07:56:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 10352 states and 15289 transitions. [2021-12-18 07:56:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-18 07:56:40,394 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:40,394 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:56:40,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 07:56:40,395 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:40,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:40,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1685142080, now seen corresponding path program 1 times [2021-12-18 07:56:40,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:40,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019470393] [2021-12-18 07:56:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:40,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:56:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:56:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:56:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:56:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:56:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:56:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:56:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:56:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:56:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:56:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:56:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:56:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:40,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:56:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:56:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 07:56:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 07:56:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 07:56:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 07:56:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1029 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1029 trivial. 0 not checked. [2021-12-18 07:56:41,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:41,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019470393] [2021-12-18 07:56:41,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019470393] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:41,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:41,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 07:56:41,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498284349] [2021-12-18 07:56:41,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:41,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 07:56:41,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:41,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 07:56:41,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:56:41,103 INFO L87 Difference]: Start difference. First operand 10352 states and 15289 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 07:56:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:56:52,270 INFO L93 Difference]: Finished difference Result 26206 states and 39114 transitions. [2021-12-18 07:56:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 07:56:52,271 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 304 [2021-12-18 07:56:52,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:56:52,355 INFO L225 Difference]: With dead ends: 26206 [2021-12-18 07:56:52,355 INFO L226 Difference]: Without dead ends: 15912 [2021-12-18 07:56:52,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-18 07:56:52,404 INFO L933 BasicCegarLoop]: 3125 mSDtfsCounter, 3102 mSDsluCounter, 5283 mSDsCounter, 0 mSdLazyCounter, 6516 mSolverCounterSat, 2255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3412 SdHoareTripleChecker+Valid, 8408 SdHoareTripleChecker+Invalid, 8771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2255 IncrementalHoareTripleChecker+Valid, 6516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-12-18 07:56:52,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3412 Valid, 8408 Invalid, 8771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2255 Valid, 6516 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2021-12-18 07:56:52,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15912 states. [2021-12-18 07:56:52,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15912 to 15074. [2021-12-18 07:56:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15074 states, 10844 states have (on average 1.3958871265215786) internal successors, (15137), 10968 states have internal predecessors, (15137), 3468 states have call successors, (3468), 745 states have call predecessors, (3468), 761 states have return successors, (3543), 3456 states have call predecessors, (3543), 3463 states have call successors, (3543) [2021-12-18 07:56:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15074 states to 15074 states and 22148 transitions. [2021-12-18 07:56:53,018 INFO L78 Accepts]: Start accepts. Automaton has 15074 states and 22148 transitions. Word has length 304 [2021-12-18 07:56:53,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:56:53,019 INFO L470 AbstractCegarLoop]: Abstraction has 15074 states and 22148 transitions. [2021-12-18 07:56:53,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-18 07:56:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 15074 states and 22148 transitions. [2021-12-18 07:56:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-12-18 07:56:53,051 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:56:53,052 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2021-12-18 07:56:53,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 07:56:53,052 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:56:53,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:56:53,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1201914882, now seen corresponding path program 1 times [2021-12-18 07:56:53,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:56:53,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657297405] [2021-12-18 07:56:53,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:56:53,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:56:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:56:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:56:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:56:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:56:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:56:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:56:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:56:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:56:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:56:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:56:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:56:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:56:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:56:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:56:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:56:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:56:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:56:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:56:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:56:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:56:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:56:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:56:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:56:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:56:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:56:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:56:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:56:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:56:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:56:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-18 07:56:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 07:56:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 07:56:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:56:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 07:56:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:56:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2096 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2021-12-18 07:56:53,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:56:53,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657297405] [2021-12-18 07:56:53,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657297405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:56:53,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:56:53,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 07:56:53,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373706253] [2021-12-18 07:56:53,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:56:53,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 07:56:53,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:56:53,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 07:56:53,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:56:53,919 INFO L87 Difference]: Start difference. First operand 15074 states and 22148 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 07:57:02,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:57:02,927 INFO L93 Difference]: Finished difference Result 39050 states and 58010 transitions. [2021-12-18 07:57:02,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 07:57:02,927 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 447 [2021-12-18 07:57:02,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:57:03,052 INFO L225 Difference]: With dead ends: 39050 [2021-12-18 07:57:03,053 INFO L226 Difference]: Without dead ends: 24042 [2021-12-18 07:57:03,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-18 07:57:03,235 INFO L933 BasicCegarLoop]: 2487 mSDtfsCounter, 3787 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 5215 mSolverCounterSat, 2962 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4089 SdHoareTripleChecker+Valid, 5758 SdHoareTripleChecker+Invalid, 8177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2962 IncrementalHoareTripleChecker+Valid, 5215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-18 07:57:03,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4089 Valid, 5758 Invalid, 8177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2962 Valid, 5215 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2021-12-18 07:57:03,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24042 states. [2021-12-18 07:57:03,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24042 to 22706. [2021-12-18 07:57:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22706 states, 16568 states have (on average 1.3788628681796233) internal successors, (22845), 16748 states have internal predecessors, (22845), 4952 states have call successors, (4952), 1163 states have call predecessors, (4952), 1185 states have return successors, (5049), 4938 states have call predecessors, (5049), 4947 states have call successors, (5049) [2021-12-18 07:57:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22706 states to 22706 states and 32846 transitions. [2021-12-18 07:57:04,290 INFO L78 Accepts]: Start accepts. Automaton has 22706 states and 32846 transitions. Word has length 447 [2021-12-18 07:57:04,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:57:04,291 INFO L470 AbstractCegarLoop]: Abstraction has 22706 states and 32846 transitions. [2021-12-18 07:57:04,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 07:57:04,292 INFO L276 IsEmpty]: Start isEmpty. Operand 22706 states and 32846 transitions. [2021-12-18 07:57:04,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2021-12-18 07:57:04,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:57:04,305 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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] [2021-12-18 07:57:04,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 07:57:04,305 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:57:04,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:57:04,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1715498778, now seen corresponding path program 1 times [2021-12-18 07:57:04,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:57:04,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61855473] [2021-12-18 07:57:04,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:57:04,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:57:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:57:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:57:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:57:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:57:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:57:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:57:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:57:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:57:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:57:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:57:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:57:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:57:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:57:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:57:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:57:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:57:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:57:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:57:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:57:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:57:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:57:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:57:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:57:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:57:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:57:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:57:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:57:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 07:57:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-18 07:57:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 07:57:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 07:57:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2095 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2021-12-18 07:57:05,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:57:05,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61855473] [2021-12-18 07:57:05,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61855473] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:57:05,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:57:05,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 07:57:05,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960678510] [2021-12-18 07:57:05,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:57:05,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 07:57:05,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:57:05,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 07:57:05,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:57:05,121 INFO L87 Difference]: Start difference. First operand 22706 states and 32846 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 07:57:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:57:16,251 INFO L93 Difference]: Finished difference Result 58106 states and 84758 transitions. [2021-12-18 07:57:16,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 07:57:16,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 445 [2021-12-18 07:57:16,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:57:16,394 INFO L225 Difference]: With dead ends: 58106 [2021-12-18 07:57:16,394 INFO L226 Difference]: Without dead ends: 35466 [2021-12-18 07:57:16,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-18 07:57:16,460 INFO L933 BasicCegarLoop]: 2507 mSDtfsCounter, 3734 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 6384 mSolverCounterSat, 2815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4042 SdHoareTripleChecker+Valid, 6783 SdHoareTripleChecker+Invalid, 9199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2815 IncrementalHoareTripleChecker+Valid, 6384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-18 07:57:16,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4042 Valid, 6783 Invalid, 9199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2815 Valid, 6384 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2021-12-18 07:57:16,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35466 states. [2021-12-18 07:57:17,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35466 to 33392. [2021-12-18 07:57:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33392 states, 24710 states have (on average 1.3624848239579117) internal successors, (33667), 24964 states have internal predecessors, (33667), 6892 states have call successors, (6892), 1761 states have call predecessors, (6892), 1789 states have return successors, (7011), 6874 states have call predecessors, (7011), 6887 states have call successors, (7011) [2021-12-18 07:57:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33392 states to 33392 states and 47570 transitions. [2021-12-18 07:57:17,900 INFO L78 Accepts]: Start accepts. Automaton has 33392 states and 47570 transitions. Word has length 445 [2021-12-18 07:57:17,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:57:17,901 INFO L470 AbstractCegarLoop]: Abstraction has 33392 states and 47570 transitions. [2021-12-18 07:57:17,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 07:57:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 33392 states and 47570 transitions. [2021-12-18 07:57:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-18 07:57:17,926 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:57:17,927 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:57:17,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 07:57:17,927 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:57:17,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:57:17,928 INFO L85 PathProgramCache]: Analyzing trace with hash -378579904, now seen corresponding path program 1 times [2021-12-18 07:57:17,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:57:17,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304758382] [2021-12-18 07:57:17,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:57:17,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:57:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:57:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:57:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:57:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:57:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:57:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:57:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:57:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:57:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:57:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:57:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:57:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:57:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:57:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:57:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:57:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:57:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:57:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:57:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:57:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:57:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:57:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:57:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:57:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:57:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:57:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:57:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:57:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 07:57:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 07:57:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 07:57:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-18 07:57:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2095 trivial. 0 not checked. [2021-12-18 07:57:18,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:57:18,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304758382] [2021-12-18 07:57:18,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304758382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:57:18,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:57:18,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 07:57:18,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199969390] [2021-12-18 07:57:18,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:57:18,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 07:57:18,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:57:18,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 07:57:18,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:57:18,812 INFO L87 Difference]: Start difference. First operand 33392 states and 47570 transitions. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-18 07:57:27,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:57:27,640 INFO L93 Difference]: Finished difference Result 80212 states and 115232 transitions. [2021-12-18 07:57:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 07:57:27,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 474 [2021-12-18 07:57:27,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:57:27,845 INFO L225 Difference]: With dead ends: 80212 [2021-12-18 07:57:27,846 INFO L226 Difference]: Without dead ends: 46886 [2021-12-18 07:57:27,952 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-18 07:57:27,953 INFO L933 BasicCegarLoop]: 3366 mSDtfsCounter, 3314 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 4197 mSolverCounterSat, 2879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3622 SdHoareTripleChecker+Valid, 6670 SdHoareTripleChecker+Invalid, 7076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2879 IncrementalHoareTripleChecker+Valid, 4197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-18 07:57:27,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3622 Valid, 6670 Invalid, 7076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2879 Valid, 4197 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2021-12-18 07:57:28,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46886 states. [2021-12-18 07:57:29,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46886 to 44078. [2021-12-18 07:57:29,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44078 states, 32852 states have (on average 1.3542250091318642) internal successors, (44489), 33180 states have internal predecessors, (44489), 8832 states have call successors, (8832), 2359 states have call predecessors, (8832), 2393 states have return successors, (8973), 8810 states have call predecessors, (8973), 8827 states have call successors, (8973) [2021-12-18 07:57:29,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44078 states to 44078 states and 62294 transitions. [2021-12-18 07:57:29,851 INFO L78 Accepts]: Start accepts. Automaton has 44078 states and 62294 transitions. Word has length 474 [2021-12-18 07:57:29,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:57:29,852 INFO L470 AbstractCegarLoop]: Abstraction has 44078 states and 62294 transitions. [2021-12-18 07:57:29,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-18 07:57:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 44078 states and 62294 transitions. [2021-12-18 07:57:29,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-12-18 07:57:29,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:57:29,876 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:57:29,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 07:57:29,876 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:57:29,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:57:29,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1739222372, now seen corresponding path program 1 times [2021-12-18 07:57:29,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:57:29,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816846026] [2021-12-18 07:57:29,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:57:29,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:57:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:57:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:57:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:57:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:57:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:57:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:57:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:57:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:57:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:57:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:57:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:57:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:57:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:57:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:57:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:57:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:57:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:57:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:57:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:57:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:57:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:57:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:57:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:57:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:57:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:57:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:57:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:57:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 07:57:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 07:57:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 07:57:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 07:57:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:30,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2096 trivial. 0 not checked. [2021-12-18 07:57:30,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:57:30,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816846026] [2021-12-18 07:57:30,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816846026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:57:30,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:57:30,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 07:57:30,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642571076] [2021-12-18 07:57:30,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:57:30,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 07:57:30,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:57:30,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 07:57:30,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 07:57:30,647 INFO L87 Difference]: Start difference. First operand 44078 states and 62294 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-18 07:57:42,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:57:42,863 INFO L93 Difference]: Finished difference Result 105532 states and 150200 transitions. [2021-12-18 07:57:42,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 07:57:42,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 478 [2021-12-18 07:57:42,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:57:43,176 INFO L225 Difference]: With dead ends: 105532 [2021-12-18 07:57:43,177 INFO L226 Difference]: Without dead ends: 61520 [2021-12-18 07:57:43,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-18 07:57:43,471 INFO L933 BasicCegarLoop]: 3393 mSDtfsCounter, 3121 mSDsluCounter, 4509 mSDsCounter, 0 mSdLazyCounter, 5653 mSolverCounterSat, 2371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3424 SdHoareTripleChecker+Valid, 7902 SdHoareTripleChecker+Invalid, 8024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2371 IncrementalHoareTripleChecker+Valid, 5653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-12-18 07:57:43,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3424 Valid, 7902 Invalid, 8024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2371 Valid, 5653 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2021-12-18 07:57:43,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61520 states. [2021-12-18 07:57:45,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61520 to 57750. [2021-12-18 07:57:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57750 states, 43376 states have (on average 1.3461130579122096) internal successors, (58389), 43792 states have internal predecessors, (58389), 11204 states have call successors, (11204), 3129 states have call predecessors, (11204), 3169 states have return successors, (11367), 11180 states have call predecessors, (11367), 11199 states have call successors, (11367) [2021-12-18 07:57:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57750 states to 57750 states and 80960 transitions. [2021-12-18 07:57:45,456 INFO L78 Accepts]: Start accepts. Automaton has 57750 states and 80960 transitions. Word has length 478 [2021-12-18 07:57:45,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:57:45,457 INFO L470 AbstractCegarLoop]: Abstraction has 57750 states and 80960 transitions. [2021-12-18 07:57:45,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-18 07:57:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 57750 states and 80960 transitions. [2021-12-18 07:57:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-12-18 07:57:45,501 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:57:45,501 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 3, 3, 3, 3, 3, 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] [2021-12-18 07:57:45,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 07:57:45,502 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:57:45,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:57:45,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1467356524, now seen corresponding path program 1 times [2021-12-18 07:57:45,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:57:45,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556171293] [2021-12-18 07:57:45,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:57:45,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:57:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:57:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:57:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:57:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:57:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:57:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:45,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:57:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:57:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:57:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:57:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:57:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:57:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:57:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:57:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:57:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:57:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:57:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:57:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:57:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:57:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:57:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:57:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:57:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:57:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:57:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:57:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:57:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:57:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:57:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 07:57:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 07:57:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:57:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 07:57:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 07:57:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 07:57:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:57:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 07:57:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:57:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2133 trivial. 0 not checked. [2021-12-18 07:57:46,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:57:46,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556171293] [2021-12-18 07:57:46,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556171293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:57:46,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:57:46,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 07:57:46,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259102811] [2021-12-18 07:57:46,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:57:46,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 07:57:46,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:57:46,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 07:57:46,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 07:57:46,720 INFO L87 Difference]: Start difference. First operand 57750 states and 80960 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (44), 9 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 07:58:00,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:58:00,426 INFO L93 Difference]: Finished difference Result 119188 states and 167634 transitions. [2021-12-18 07:58:00,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 07:58:00,427 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (44), 9 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 522 [2021-12-18 07:58:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:58:00,825 INFO L225 Difference]: With dead ends: 119188 [2021-12-18 07:58:00,826 INFO L226 Difference]: Without dead ends: 61504 [2021-12-18 07:58:00,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-12-18 07:58:00,968 INFO L933 BasicCegarLoop]: 3670 mSDtfsCounter, 3164 mSDsluCounter, 6309 mSDsCounter, 0 mSdLazyCounter, 7938 mSolverCounterSat, 2247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3548 SdHoareTripleChecker+Valid, 9979 SdHoareTripleChecker+Invalid, 10185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2247 IncrementalHoareTripleChecker+Valid, 7938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-12-18 07:58:00,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3548 Valid, 9979 Invalid, 10185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2247 Valid, 7938 Invalid, 0 Unknown, 0 Unchecked, 12.0s Time] [2021-12-18 07:58:01,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61504 states. [2021-12-18 07:58:02,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61504 to 57540. [2021-12-18 07:58:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57540 states, 43245 states have (on average 1.3462134350791999) internal successors, (58217), 43647 states have internal predecessors, (58217), 11152 states have call successors, (11152), 3103 states have call predecessors, (11152), 3142 states have return successors, (11205), 11141 states have call predecessors, (11205), 11145 states have call successors, (11205) [2021-12-18 07:58:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57540 states to 57540 states and 80574 transitions. [2021-12-18 07:58:02,807 INFO L78 Accepts]: Start accepts. Automaton has 57540 states and 80574 transitions. Word has length 522 [2021-12-18 07:58:02,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:58:02,808 INFO L470 AbstractCegarLoop]: Abstraction has 57540 states and 80574 transitions. [2021-12-18 07:58:02,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (44), 9 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 07:58:02,808 INFO L276 IsEmpty]: Start isEmpty. Operand 57540 states and 80574 transitions. [2021-12-18 07:58:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-12-18 07:58:02,842 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:58:02,842 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 3, 3, 3, 3, 3, 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] [2021-12-18 07:58:02,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 07:58:02,843 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:58:02,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:58:02,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1678707437, now seen corresponding path program 1 times [2021-12-18 07:58:02,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:58:02,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731774153] [2021-12-18 07:58:02,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:58:02,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:58:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:58:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:58:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:58:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:58:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:58:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:58:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:58:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:58:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:58:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:58:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:58:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:58:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:58:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:58:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:58:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:58:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:58:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:58:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:58:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:58:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:58:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:58:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:58:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:58:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:58:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:58:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:58:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:58:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 07:58:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 07:58:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 07:58:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 07:58:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-12-18 07:58:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:58:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 07:58:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2133 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2117 trivial. 0 not checked. [2021-12-18 07:58:03,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:58:03,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731774153] [2021-12-18 07:58:03,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731774153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:58:03,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:58:03,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 07:58:03,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863157155] [2021-12-18 07:58:03,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:58:03,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 07:58:03,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:58:03,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 07:58:03,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-18 07:58:03,895 INFO L87 Difference]: Start difference. First operand 57540 states and 80574 transitions. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 07:58:25,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:58:25,196 INFO L93 Difference]: Finished difference Result 150872 states and 211158 transitions. [2021-12-18 07:58:25,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 07:58:25,197 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 522 [2021-12-18 07:58:25,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:58:25,803 INFO L225 Difference]: With dead ends: 150872 [2021-12-18 07:58:25,803 INFO L226 Difference]: Without dead ends: 93398 [2021-12-18 07:58:25,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2021-12-18 07:58:25,926 INFO L933 BasicCegarLoop]: 3876 mSDtfsCounter, 3089 mSDsluCounter, 13356 mSDsCounter, 0 mSdLazyCounter, 12963 mSolverCounterSat, 2527 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 17232 SdHoareTripleChecker+Invalid, 15490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2527 IncrementalHoareTripleChecker+Valid, 12963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-12-18 07:58:25,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3425 Valid, 17232 Invalid, 15490 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2527 Valid, 12963 Invalid, 0 Unknown, 0 Unchecked, 19.0s Time] [2021-12-18 07:58:25,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93398 states. [2021-12-18 07:58:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93398 to 57604. [2021-12-18 07:58:27,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57604 states, 43293 states have (on average 1.3458295798396969) internal successors, (58265), 43695 states have internal predecessors, (58265), 11152 states have call successors, (11152), 3103 states have call predecessors, (11152), 3158 states have return successors, (11225), 11157 states have call predecessors, (11225), 11145 states have call successors, (11225) [2021-12-18 07:58:27,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57604 states to 57604 states and 80642 transitions. [2021-12-18 07:58:27,938 INFO L78 Accepts]: Start accepts. Automaton has 57604 states and 80642 transitions. Word has length 522 [2021-12-18 07:58:27,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:58:27,938 INFO L470 AbstractCegarLoop]: Abstraction has 57604 states and 80642 transitions. [2021-12-18 07:58:27,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 07:58:27,939 INFO L276 IsEmpty]: Start isEmpty. Operand 57604 states and 80642 transitions. [2021-12-18 07:58:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2021-12-18 07:58:28,164 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:58:28,164 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 07:58:28,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 07:58:28,165 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:58:28,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:58:28,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1637092295, now seen corresponding path program 1 times [2021-12-18 07:58:28,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:58:28,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156849866] [2021-12-18 07:58:28,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:58:28,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:58:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:58:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:58:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:58:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:58:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:58:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:58:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:58:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:58:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:58:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:58:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:58:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:58:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:58:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:58:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:58:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:58:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:58:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:58:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:58:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:58:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:58:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:58:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:58:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:58:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:58:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:58:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:58:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:58:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 07:58:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 07:58:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 07:58:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 07:58:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-18 07:58:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:29,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:58:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-18 07:58:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2121 trivial. 0 not checked. [2021-12-18 07:58:29,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:58:29,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156849866] [2021-12-18 07:58:29,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156849866] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:58:29,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:58:29,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 07:58:29,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759060415] [2021-12-18 07:58:29,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:58:29,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 07:58:29,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:58:29,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 07:58:29,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-18 07:58:29,011 INFO L87 Difference]: Start difference. First operand 57604 states and 80642 transitions. Second operand has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 07:58:52,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:58:52,839 INFO L93 Difference]: Finished difference Result 151052 states and 211358 transitions. [2021-12-18 07:58:52,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 07:58:52,840 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 528 [2021-12-18 07:58:52,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:58:53,324 INFO L225 Difference]: With dead ends: 151052 [2021-12-18 07:58:53,324 INFO L226 Difference]: Without dead ends: 93514 [2021-12-18 07:58:53,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2021-12-18 07:58:53,450 INFO L933 BasicCegarLoop]: 3884 mSDtfsCounter, 3082 mSDsluCounter, 13391 mSDsCounter, 0 mSdLazyCounter, 12944 mSolverCounterSat, 2542 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3420 SdHoareTripleChecker+Valid, 17275 SdHoareTripleChecker+Invalid, 15486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2542 IncrementalHoareTripleChecker+Valid, 12944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2021-12-18 07:58:53,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3420 Valid, 17275 Invalid, 15486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2542 Valid, 12944 Invalid, 0 Unknown, 0 Unchecked, 21.4s Time] [2021-12-18 07:58:53,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93514 states. [2021-12-18 07:58:55,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93514 to 57660. [2021-12-18 07:58:55,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57660 states, 43337 states have (on average 1.345478459514964) internal successors, (58309), 43735 states have internal predecessors, (58309), 11152 states have call successors, (11152), 3103 states have call predecessors, (11152), 3170 states have return successors, (11237), 11173 states have call predecessors, (11237), 11145 states have call successors, (11237) [2021-12-18 07:58:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57660 states to 57660 states and 80698 transitions. [2021-12-18 07:58:55,658 INFO L78 Accepts]: Start accepts. Automaton has 57660 states and 80698 transitions. Word has length 528 [2021-12-18 07:58:55,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:58:55,659 INFO L470 AbstractCegarLoop]: Abstraction has 57660 states and 80698 transitions. [2021-12-18 07:58:55,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.454545454545455) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (44), 8 states have call predecessors, (44), 2 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 07:58:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 57660 states and 80698 transitions. [2021-12-18 07:58:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-12-18 07:58:55,691 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:58:55,692 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-18 07:58:55,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 07:58:55,692 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:58:55,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:58:55,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1142861789, now seen corresponding path program 1 times [2021-12-18 07:58:55,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:58:55,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792080100] [2021-12-18 07:58:55,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:58:55,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:58:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:58:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:58:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:58:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:58:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:58:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:58:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:58:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:58:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:58:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:58:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:58:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:58:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:58:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:58:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:58:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:58:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:58:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:58:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:58:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:58:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:58:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:58:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:58:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:58:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:58:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:58:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:58:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:58:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:58:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 07:58:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 07:58:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:58:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 07:58:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 07:58:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-12-18 07:58:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-18 07:58:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 07:58:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:58:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-18 07:58:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:58:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2139 trivial. 0 not checked. [2021-12-18 07:58:56,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:58:56,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792080100] [2021-12-18 07:58:56,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792080100] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:58:56,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:58:56,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 07:58:56,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562982621] [2021-12-18 07:58:56,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:58:56,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 07:58:56,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:58:56,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 07:58:56,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-12-18 07:58:56,564 INFO L87 Difference]: Start difference. First operand 57660 states and 80698 transitions. Second operand has 12 states, 12 states have (on average 12.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 07:59:07,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:59:07,193 INFO L93 Difference]: Finished difference Result 63951 states and 89668 transitions. [2021-12-18 07:59:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 07:59:07,194 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 539 [2021-12-18 07:59:07,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:59:07,424 INFO L225 Difference]: With dead ends: 63951 [2021-12-18 07:59:07,424 INFO L226 Difference]: Without dead ends: 60541 [2021-12-18 07:59:07,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2021-12-18 07:59:07,466 INFO L933 BasicCegarLoop]: 1999 mSDtfsCounter, 1626 mSDsluCounter, 7471 mSDsCounter, 0 mSdLazyCounter, 5998 mSolverCounterSat, 1831 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 9470 SdHoareTripleChecker+Invalid, 7829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1831 IncrementalHoareTripleChecker+Valid, 5998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-18 07:59:07,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1733 Valid, 9470 Invalid, 7829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1831 Valid, 5998 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-12-18 07:59:07,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60541 states. [2021-12-18 07:59:08,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60541 to 56733. [2021-12-18 07:59:09,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56733 states, 42705 states have (on average 1.34337899543379) internal successors, (57369), 43061 states have internal predecessors, (57369), 10871 states have call successors, (10871), 3089 states have call predecessors, (10871), 3156 states have return successors, (10957), 10906 states have call predecessors, (10957), 10865 states have call successors, (10957) [2021-12-18 07:59:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56733 states to 56733 states and 79197 transitions. [2021-12-18 07:59:09,204 INFO L78 Accepts]: Start accepts. Automaton has 56733 states and 79197 transitions. Word has length 539 [2021-12-18 07:59:09,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:59:09,204 INFO L470 AbstractCegarLoop]: Abstraction has 56733 states and 79197 transitions. [2021-12-18 07:59:09,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.5) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 07:59:09,204 INFO L276 IsEmpty]: Start isEmpty. Operand 56733 states and 79197 transitions. [2021-12-18 07:59:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2021-12-18 07:59:09,239 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:59:09,239 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 3, 3, 3, 3, 3, 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] [2021-12-18 07:59:09,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 07:59:09,240 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:59:09,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:59:09,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1920328710, now seen corresponding path program 1 times [2021-12-18 07:59:09,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:59:09,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955424787] [2021-12-18 07:59:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:59:09,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:59:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:59:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:59:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:59:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:59:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:59:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:59:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:59:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:59:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:59:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:59:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:59:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:59:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:59:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:59:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:59:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:59:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:59:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:59:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:59:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:59:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:59:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:59:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:59:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:59:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:59:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:59:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:59:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:59:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 07:59:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 07:59:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 07:59:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 07:59:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:09,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 07:59:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 07:59:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 07:59:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:59:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2144 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2133 trivial. 0 not checked. [2021-12-18 07:59:10,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:59:10,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955424787] [2021-12-18 07:59:10,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955424787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:59:10,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:59:10,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-18 07:59:10,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143056409] [2021-12-18 07:59:10,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:59:10,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 07:59:10,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:59:10,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 07:59:10,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-18 07:59:10,102 INFO L87 Difference]: Start difference. First operand 56733 states and 79197 transitions. Second operand has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (44), 9 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 1 states have call successors, (43) [2021-12-18 07:59:24,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:59:24,629 INFO L93 Difference]: Finished difference Result 87919 states and 123276 transitions. [2021-12-18 07:59:24,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 07:59:24,629 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (44), 9 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 1 states have call successors, (43) Word has length 543 [2021-12-18 07:59:24,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:59:24,858 INFO L225 Difference]: With dead ends: 87919 [2021-12-18 07:59:24,858 INFO L226 Difference]: Without dead ends: 60485 [2021-12-18 07:59:24,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2021-12-18 07:59:24,935 INFO L933 BasicCegarLoop]: 1998 mSDtfsCounter, 1290 mSDsluCounter, 8673 mSDsCounter, 0 mSdLazyCounter, 7919 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1417 SdHoareTripleChecker+Valid, 10671 SdHoareTripleChecker+Invalid, 8925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 7919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-18 07:59:24,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1417 Valid, 10671 Invalid, 8925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 7919 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2021-12-18 07:59:24,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60485 states. [2021-12-18 07:59:26,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60485 to 56705. [2021-12-18 07:59:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56705 states, 42691 states have (on average 1.3431636644726055) internal successors, (57341), 43033 states have internal predecessors, (57341), 10871 states have call successors, (10871), 3089 states have call predecessors, (10871), 3142 states have return successors, (10941), 10906 states have call predecessors, (10941), 10865 states have call successors, (10941) [2021-12-18 07:59:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56705 states to 56705 states and 79153 transitions. [2021-12-18 07:59:27,176 INFO L78 Accepts]: Start accepts. Automaton has 56705 states and 79153 transitions. Word has length 543 [2021-12-18 07:59:27,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:59:27,177 INFO L470 AbstractCegarLoop]: Abstraction has 56705 states and 79153 transitions. [2021-12-18 07:59:27,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (44), 9 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 1 states have call successors, (43) [2021-12-18 07:59:27,178 INFO L276 IsEmpty]: Start isEmpty. Operand 56705 states and 79153 transitions. [2021-12-18 07:59:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2021-12-18 07:59:27,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:59:27,245 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:59:27,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 07:59:27,246 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:59:27,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:59:27,246 INFO L85 PathProgramCache]: Analyzing trace with hash 74817619, now seen corresponding path program 1 times [2021-12-18 07:59:27,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:59:27,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508127124] [2021-12-18 07:59:27,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:59:27,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:59:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:59:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:59:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:59:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:59:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:59:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:59:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:59:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:59:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:59:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:59:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:59:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:59:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:59:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:59:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:59:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:59:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:59:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:59:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:59:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:59:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:59:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:59:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:59:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:59:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:59:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:59:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:59:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:59:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 07:59:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 07:59:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:27,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 07:59:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 07:59:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 07:59:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 07:59:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-18 07:59:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-18 07:59:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-18 07:59:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-12-18 07:59:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 07:59:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 07:59:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-18 07:59:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-18 07:59:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-12-18 07:59:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:59:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2021-12-18 07:59:28,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:59:28,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508127124] [2021-12-18 07:59:28,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508127124] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:59:28,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:59:28,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 07:59:28,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761826215] [2021-12-18 07:59:28,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:59:28,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 07:59:28,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:59:28,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 07:59:28,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 07:59:28,075 INFO L87 Difference]: Start difference. First operand 56705 states and 79153 transitions. Second operand has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-18 07:59:48,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 07:59:48,015 INFO L93 Difference]: Finished difference Result 131885 states and 185159 transitions. [2021-12-18 07:59:48,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 07:59:48,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 600 [2021-12-18 07:59:48,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 07:59:48,240 INFO L225 Difference]: With dead ends: 131885 [2021-12-18 07:59:48,240 INFO L226 Difference]: Without dead ends: 75246 [2021-12-18 07:59:48,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-12-18 07:59:48,342 INFO L933 BasicCegarLoop]: 3362 mSDtfsCounter, 3029 mSDsluCounter, 6530 mSDsCounter, 0 mSdLazyCounter, 9052 mSolverCounterSat, 2707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 9892 SdHoareTripleChecker+Invalid, 11759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2707 IncrementalHoareTripleChecker+Valid, 9052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2021-12-18 07:59:48,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3313 Valid, 9892 Invalid, 11759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2707 Valid, 9052 Invalid, 0 Unknown, 0 Unchecked, 17.8s Time] [2021-12-18 07:59:48,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75246 states. [2021-12-18 07:59:50,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75246 to 70463. [2021-12-18 07:59:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70463 states, 53273 states have (on average 1.3375068045726728) internal successors, (71253), 53701 states have internal predecessors, (71253), 13213 states have call successors, (13213), 3909 states have call predecessors, (13213), 3976 states have return successors, (13293), 13252 states have call predecessors, (13293), 13207 states have call successors, (13293) [2021-12-18 07:59:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70463 states to 70463 states and 97759 transitions. [2021-12-18 07:59:50,664 INFO L78 Accepts]: Start accepts. Automaton has 70463 states and 97759 transitions. Word has length 600 [2021-12-18 07:59:50,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 07:59:50,665 INFO L470 AbstractCegarLoop]: Abstraction has 70463 states and 97759 transitions. [2021-12-18 07:59:50,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 3 states have internal predecessors, (197), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-18 07:59:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 70463 states and 97759 transitions. [2021-12-18 07:59:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2021-12-18 07:59:50,716 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 07:59:50,716 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 07:59:50,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 07:59:50,717 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 07:59:50,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 07:59:50,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1234810393, now seen corresponding path program 1 times [2021-12-18 07:59:50,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 07:59:50,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503075027] [2021-12-18 07:59:50,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 07:59:50,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 07:59:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:59:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 07:59:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 07:59:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 07:59:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 07:59:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 07:59:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 07:59:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 07:59:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 07:59:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 07:59:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 07:59:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 07:59:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 07:59:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 07:59:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 07:59:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 07:59:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 07:59:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 07:59:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 07:59:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 07:59:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 07:59:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 07:59:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 07:59:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 07:59:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 07:59:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 07:59:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 07:59:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 07:59:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 07:59:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 07:59:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 07:59:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 07:59:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-12-18 07:59:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 07:59:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-12-18 07:59:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-18 07:59:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 07:59:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-18 07:59:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 07:59:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-18 07:59:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-12-18 07:59:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 07:59:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 07:59:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-12-18 07:59:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2021-12-18 07:59:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 07:59:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 07:59:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 2130 trivial. 0 not checked. [2021-12-18 07:59:51,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 07:59:51,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503075027] [2021-12-18 07:59:51,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503075027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 07:59:51,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 07:59:51,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 07:59:51,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64258545] [2021-12-18 07:59:51,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 07:59:51,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 07:59:51,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 07:59:51,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 07:59:51,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 07:59:51,630 INFO L87 Difference]: Start difference. First operand 70463 states and 97759 transitions. Second operand has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-18 08:00:10,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 08:00:10,025 INFO L93 Difference]: Finished difference Result 163661 states and 228209 transitions. [2021-12-18 08:00:10,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 08:00:10,026 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 606 [2021-12-18 08:00:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 08:00:10,508 INFO L225 Difference]: With dead ends: 163661 [2021-12-18 08:00:10,508 INFO L226 Difference]: Without dead ends: 93264 [2021-12-18 08:00:10,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2021-12-18 08:00:10,660 INFO L933 BasicCegarLoop]: 3499 mSDtfsCounter, 2871 mSDsluCounter, 5761 mSDsCounter, 0 mSdLazyCounter, 7485 mSolverCounterSat, 2268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 9260 SdHoareTripleChecker+Invalid, 9753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2268 IncrementalHoareTripleChecker+Valid, 7485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-12-18 08:00:10,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3151 Valid, 9260 Invalid, 9753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2268 Valid, 7485 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2021-12-18 08:00:10,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93264 states. [2021-12-18 08:00:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93264 to 87283. [2021-12-18 08:00:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87283 states, 66289 states have (on average 1.3320007844438746) internal successors, (88297), 66819 states have internal predecessors, (88297), 15989 states have call successors, (15989), 4921 states have call predecessors, (15989), 5004 states have return successors, (16079), 16034 states have call predecessors, (16079), 15983 states have call successors, (16079) [2021-12-18 08:00:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87283 states to 87283 states and 120365 transitions. [2021-12-18 08:00:13,812 INFO L78 Accepts]: Start accepts. Automaton has 87283 states and 120365 transitions. Word has length 606 [2021-12-18 08:00:13,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 08:00:13,813 INFO L470 AbstractCegarLoop]: Abstraction has 87283 states and 120365 transitions. [2021-12-18 08:00:13,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.22222222222222) internal successors, (200), 3 states have internal predecessors, (200), 2 states have call successors, (55), 8 states have call predecessors, (55), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-18 08:00:13,813 INFO L276 IsEmpty]: Start isEmpty. Operand 87283 states and 120365 transitions. [2021-12-18 08:00:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-12-18 08:00:13,887 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 08:00:13,888 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 5, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 08:00:13,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 08:00:13,888 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 08:00:13,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 08:00:13,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1613595961, now seen corresponding path program 1 times [2021-12-18 08:00:13,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 08:00:13,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790663107] [2021-12-18 08:00:13,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 08:00:13,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 08:00:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:00:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 08:00:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 08:00:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 08:00:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 08:00:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 08:00:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 08:00:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 08:00:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 08:00:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 08:00:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 08:00:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 08:00:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 08:00:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 08:00:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 08:00:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 08:00:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 08:00:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 08:00:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 08:00:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 08:00:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 08:00:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 08:00:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 08:00:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 08:00:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 08:00:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 08:00:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 08:00:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 08:00:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 08:00:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 08:00:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 08:00:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 08:00:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 08:00:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-18 08:00:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 08:00:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-12-18 08:00:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 08:00:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 08:00:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 08:00:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 08:00:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-18 08:00:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2021-12-18 08:00:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:14,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 08:00:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 08:00:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-12-18 08:00:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-18 08:00:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 08:00:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 08:00:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2192 trivial. 0 not checked. [2021-12-18 08:00:15,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 08:00:15,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790663107] [2021-12-18 08:00:15,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790663107] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 08:00:15,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 08:00:15,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 08:00:15,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567204328] [2021-12-18 08:00:15,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 08:00:15,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 08:00:15,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 08:00:15,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 08:00:15,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-18 08:00:15,139 INFO L87 Difference]: Start difference. First operand 87283 states and 120365 transitions. Second operand has 10 states, 10 states have (on average 18.6) internal successors, (186), 3 states have internal predecessors, (186), 2 states have call successors, (57), 9 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54)