./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--class--cdc-wdm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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--class--cdc-wdm.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 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 01:01:41,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:01:41,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:01:41,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:01:41,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:01:41,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:01:41,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:01:41,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:01:41,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:01:41,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:01:41,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:01:41,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:01:41,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:01:41,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:01:41,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:01:41,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:01:41,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:01:41,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:01:41,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:01:41,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:01:41,134 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:01:41,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:01:41,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:01:41,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:01:41,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:01:41,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:01:41,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:01:41,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:01:41,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:01:41,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:01:41,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:01:41,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:01:41,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:01:41,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:01:41,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:01:41,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:01:41,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:01:41,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:01:41,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:01:41,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:01:41,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:01:41,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:01:41,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:01:41,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:01:41,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:01:41,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:01:41,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:01:41,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:01:41,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:01:41,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:01:41,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:01:41,171 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:01:41,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:01:41,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:01:41,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:01:41,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:01:41,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:01:41,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:01:41,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:01:41,173 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:01:41,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:01:41,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:01:41,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:01:41,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:01:41,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:01:41,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:01:41,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:01:41,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:01:41,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:01:41,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:01:41,175 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:01:41,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:01:41,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:01:41,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e [2022-07-20 01:01:41,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:01:41,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:01:41,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:01:41,365 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:01:41,365 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:01:41,366 INFO L432 ainManager$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--class--cdc-wdm.ko-entry_point.cil.out.i [2022-07-20 01:01:41,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6b7a336/f57a259639dd4b2c9700e793c7b13496/FLAG37f3ffa01 [2022-07-20 01:01:41,949 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:01:41,949 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--class--cdc-wdm.ko-entry_point.cil.out.i [2022-07-20 01:01:41,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6b7a336/f57a259639dd4b2c9700e793c7b13496/FLAG37f3ffa01 [2022-07-20 01:01:42,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6b7a336/f57a259639dd4b2c9700e793c7b13496 [2022-07-20 01:01:42,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:01:42,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:01:42,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:01:42,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:01:42,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:01:42,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:42" (1/1) ... [2022-07-20 01:01:42,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25749a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:42, skipping insertion in model container [2022-07-20 01:01:42,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:42" (1/1) ... [2022-07-20 01:01:42,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:01:42,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:01:43,213 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--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2022-07-20 01:01:43,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:01:43,295 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:01:43,537 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--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2022-07-20 01:01:43,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:01:43,623 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:01:43,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43 WrapperNode [2022-07-20 01:01:43,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:01:43,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:01:43,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:01:43,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:01:43,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,787 INFO L137 Inliner]: procedures = 282, calls = 1375, calls flagged for inlining = 101, calls inlined = 84, statements flattened = 2589 [2022-07-20 01:01:43,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:01:43,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:01:43,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:01:43,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:01:43,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:01:43,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:01:43,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:01:43,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:01:43,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (1/1) ... [2022-07-20 01:01:43,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:01:43,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:01:44,033 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) [2022-07-20 01:01:44,105 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 [2022-07-20 01:01:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-20 01:01:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-20 01:01:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-07-20 01:01:44,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-07-20 01:01:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:01:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:01:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:01:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:01:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2022-07-20 01:01:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2022-07-20 01:01:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2022-07-20 01:01:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2022-07-20 01:01:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-07-20 01:01:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-07-20 01:01:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:01:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:01:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-20 01:01:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-20 01:01:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-20 01:01:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-20 01:01:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-20 01:01:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-20 01:01:44,122 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2022-07-20 01:01:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2022-07-20 01:01:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 01:01:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 01:01:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:01:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:01:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2022-07-20 01:01:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2022-07-20 01:01:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 01:01:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 01:01:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:01:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:01:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 01:01:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 01:01:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:01:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:01:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2022-07-20 01:01:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2022-07-20 01:01:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2022-07-20 01:01:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2022-07-20 01:01:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2022-07-20 01:01:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2022-07-20 01:01:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:01:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:01:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:01:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2022-07-20 01:01:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2022-07-20 01:01:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2022-07-20 01:01:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2022-07-20 01:01:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:01:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2022-07-20 01:01:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2022-07-20 01:01:44,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:01:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:01:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-07-20 01:01:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-07-20 01:01:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2022-07-20 01:01:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2022-07-20 01:01:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:01:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2022-07-20 01:01:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2022-07-20 01:01:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:01:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-20 01:01:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-20 01:01:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-20 01:01:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-20 01:01:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 01:01:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 01:01:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 01:01:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 01:01:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 01:01:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 01:01:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 01:01:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 01:01:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 01:01:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 01:01:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2022-07-20 01:01:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2022-07-20 01:01:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2022-07-20 01:01:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2022-07-20 01:01:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:01:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:01:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 01:01:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 01:01:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-20 01:01:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-20 01:01:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2022-07-20 01:01:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2022-07-20 01:01:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2022-07-20 01:01:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2022-07-20 01:01:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-20 01:01:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-07-20 01:01:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 01:01:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-20 01:01:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-20 01:01:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:01:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 01:01:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 01:01:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 01:01:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 01:01:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 01:01:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 01:01:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2022-07-20 01:01:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2022-07-20 01:01:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-20 01:01:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-20 01:01:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:01:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:01:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:01:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 01:01:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 01:01:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-20 01:01:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-20 01:01:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:01:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:01:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:01:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:01:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2022-07-20 01:01:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2022-07-20 01:01:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:01:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 01:01:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 01:01:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:01:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:01:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:01:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 01:01:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 01:01:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:01:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-20 01:01:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-20 01:01:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 01:01:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 01:01:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 01:01:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 01:01:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-20 01:01:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-20 01:01:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2022-07-20 01:01:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2022-07-20 01:01:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 01:01:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 01:01:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2022-07-20 01:01:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2022-07-20 01:01:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:01:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:01:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 01:01:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 01:01:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:01:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-20 01:01:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-20 01:01:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 01:01:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 01:01:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:01:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:01:44,595 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:01:44,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:01:44,926 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:01:46,953 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:01:46,962 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:01:46,962 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:01:46,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:46 BoogieIcfgContainer [2022-07-20 01:01:46,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:01:46,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:01:46,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:01:46,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:01:46,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:01:42" (1/3) ... [2022-07-20 01:01:46,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be43474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:46, skipping insertion in model container [2022-07-20 01:01:46,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:43" (2/3) ... [2022-07-20 01:01:46,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be43474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:46, skipping insertion in model container [2022-07-20 01:01:46,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:46" (3/3) ... [2022-07-20 01:01:46,970 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2022-07-20 01:01:46,978 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:01:46,979 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:01:47,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:01:47,025 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@254f02e6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@21038cb5 [2022-07-20 01:01:47,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:01:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 1069 states, 696 states have (on average 1.3132183908045978) internal successors, (914), 729 states have internal predecessors, (914), 301 states have call successors, (301), 71 states have call predecessors, (301), 70 states have return successors, (296), 295 states have call predecessors, (296), 296 states have call successors, (296) [2022-07-20 01:01:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-07-20 01:01:47,054 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:01:47,054 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:01:47,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:01:47,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:01:47,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1610922865, now seen corresponding path program 1 times [2022-07-20 01:01:47,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:01:47,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552001497] [2022-07-20 01:01:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:01:47,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:01:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:01:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:01:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:01:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:01:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:01:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:01:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:01:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:01:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:01:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:01:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:01:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:01:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:01:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:01:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:01:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:01:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-07-20 01:01:47,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:01:47,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552001497] [2022-07-20 01:01:47,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552001497] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:01:47,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:01:47,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:01:47,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531698499] [2022-07-20 01:01:47,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:01:47,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:01:47,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:01:47,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:01:47,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:01:47,839 INFO L87 Difference]: Start difference. First operand has 1069 states, 696 states have (on average 1.3132183908045978) internal successors, (914), 729 states have internal predecessors, (914), 301 states have call successors, (301), 71 states have call predecessors, (301), 70 states have return successors, (296), 295 states have call predecessors, (296), 296 states have call successors, (296) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:01:50,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:01:50,875 INFO L93 Difference]: Finished difference Result 2168 states and 3132 transitions. [2022-07-20 01:01:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 01:01:50,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 192 [2022-07-20 01:01:50,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:01:50,899 INFO L225 Difference]: With dead ends: 2168 [2022-07-20 01:01:50,900 INFO L226 Difference]: Without dead ends: 1092 [2022-07-20 01:01:50,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:01:50,911 INFO L413 NwaCegarLoop]: 1376 mSDtfsCounter, 593 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 690 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 2934 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 690 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:01:50,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 2934 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-20 01:01:50,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-07-20 01:01:50,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1057. [2022-07-20 01:01:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 691 states have (on average 1.2952243125904486) internal successors, (895), 717 states have internal predecessors, (895), 296 states have call successors, (296), 70 states have call predecessors, (296), 69 states have return successors, (282), 281 states have call predecessors, (282), 282 states have call successors, (282) [2022-07-20 01:01:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1473 transitions. [2022-07-20 01:01:50,994 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1473 transitions. Word has length 192 [2022-07-20 01:01:50,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:01:50,994 INFO L495 AbstractCegarLoop]: Abstraction has 1057 states and 1473 transitions. [2022-07-20 01:01:50,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 01:01:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1473 transitions. [2022-07-20 01:01:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-07-20 01:01:50,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:01:50,998 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:01:50,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:01:50,998 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:01:50,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:01:50,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1041966207, now seen corresponding path program 1 times [2022-07-20 01:01:50,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:01:50,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488065741] [2022-07-20 01:01:50,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:01:50,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:01:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:01:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:01:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:01:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:01:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:01:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:01:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:01:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:01:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:01:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:01:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:01:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:01:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:01:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:01:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:01:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:01:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-07-20 01:01:51,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:01:51,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488065741] [2022-07-20 01:01:51,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488065741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:01:51,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:01:51,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:01:51,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286919582] [2022-07-20 01:01:51,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:01:51,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:01:51,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:01:51,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:01:51,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:01:51,375 INFO L87 Difference]: Start difference. First operand 1057 states and 1473 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-20 01:01:54,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:01:54,351 INFO L93 Difference]: Finished difference Result 3127 states and 4379 transitions. [2022-07-20 01:01:54,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:01:54,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 192 [2022-07-20 01:01:54,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:01:54,363 INFO L225 Difference]: With dead ends: 3127 [2022-07-20 01:01:54,363 INFO L226 Difference]: Without dead ends: 2111 [2022-07-20 01:01:54,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:01:54,367 INFO L413 NwaCegarLoop]: 1558 mSDtfsCounter, 2862 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 2277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3079 SdHoareTripleChecker+Valid, 2979 SdHoareTripleChecker+Invalid, 3712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2277 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:01:54,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3079 Valid, 2979 Invalid, 3712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2277 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-20 01:01:54,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2022-07-20 01:01:54,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 2035. [2022-07-20 01:01:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2035 states, 1338 states have (on average 1.29745889387145) internal successors, (1736), 1377 states have internal predecessors, (1736), 559 states have call successors, (559), 138 states have call predecessors, (559), 137 states have return successors, (545), 543 states have call predecessors, (545), 545 states have call successors, (545) [2022-07-20 01:01:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 2035 states and 2840 transitions. [2022-07-20 01:01:54,467 INFO L78 Accepts]: Start accepts. Automaton has 2035 states and 2840 transitions. Word has length 192 [2022-07-20 01:01:54,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:01:54,469 INFO L495 AbstractCegarLoop]: Abstraction has 2035 states and 2840 transitions. [2022-07-20 01:01:54,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-20 01:01:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2840 transitions. [2022-07-20 01:01:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-20 01:01:54,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:01:54,472 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:01:54,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:01:54,473 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:01:54,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:01:54,473 INFO L85 PathProgramCache]: Analyzing trace with hash -752510600, now seen corresponding path program 1 times [2022-07-20 01:01:54,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:01:54,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009561856] [2022-07-20 01:01:54,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:01:54,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:01:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:01:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:01:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:01:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:01:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:01:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:01:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:01:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:01:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:01:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:01:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:01:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:01:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:01:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:01:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:01:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:01:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:01:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-07-20 01:01:54,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:01:54,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009561856] [2022-07-20 01:01:54,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009561856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:01:54,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:01:54,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:01:54,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831760782] [2022-07-20 01:01:54,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:01:54,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:01:54,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:01:54,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:01:54,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:01:54,832 INFO L87 Difference]: Start difference. First operand 2035 states and 2840 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:01:57,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:01:57,558 INFO L93 Difference]: Finished difference Result 5219 states and 7224 transitions. [2022-07-20 01:01:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:01:57,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 195 [2022-07-20 01:01:57,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:01:57,572 INFO L225 Difference]: With dead ends: 5219 [2022-07-20 01:01:57,572 INFO L226 Difference]: Without dead ends: 3225 [2022-07-20 01:01:57,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:01:57,578 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 2062 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2179 SdHoareTripleChecker+Valid, 2809 SdHoareTripleChecker+Invalid, 3103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1795 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:01:57,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2179 Valid, 2809 Invalid, 3103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1795 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 01:01:57,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3225 states. [2022-07-20 01:01:57,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3225 to 3099. [2022-07-20 01:01:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 2041 states have (on average 1.2836844683978441) internal successors, (2620), 2086 states have internal predecessors, (2620), 818 states have call successors, (818), 240 states have call predecessors, (818), 239 states have return successors, (804), 800 states have call predecessors, (804), 804 states have call successors, (804) [2022-07-20 01:01:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4242 transitions. [2022-07-20 01:01:57,726 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4242 transitions. Word has length 195 [2022-07-20 01:01:57,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:01:57,728 INFO L495 AbstractCegarLoop]: Abstraction has 3099 states and 4242 transitions. [2022-07-20 01:01:57,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:01:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4242 transitions. [2022-07-20 01:01:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-20 01:01:57,730 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:01:57,730 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:01:57,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:01:57,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:01:57,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:01:57,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1672899466, now seen corresponding path program 1 times [2022-07-20 01:01:57,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:01:57,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337336996] [2022-07-20 01:01:57,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:01:57,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:01:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:01:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:01:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:01:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:01:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:01:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:01:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:01:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:01:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:01:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:01:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:01:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:01:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:01:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:01:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:01:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:01:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:01:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 01:01:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:01:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:01:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:01:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-07-20 01:01:57,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:01:57,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337336996] [2022-07-20 01:01:57,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337336996] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:01:57,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:01:57,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:01:57,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937429862] [2022-07-20 01:01:57,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:01:57,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:01:57,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:01:57,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:01:57,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:01:57,991 INFO L87 Difference]: Start difference. First operand 3099 states and 4242 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 01:02:01,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:01,291 INFO L93 Difference]: Finished difference Result 7878 states and 10798 transitions. [2022-07-20 01:02:01,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:02:01,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 217 [2022-07-20 01:02:01,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:01,312 INFO L225 Difference]: With dead ends: 7878 [2022-07-20 01:02:01,312 INFO L226 Difference]: Without dead ends: 4830 [2022-07-20 01:02:01,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:02:01,325 INFO L413 NwaCegarLoop]: 1943 mSDtfsCounter, 1570 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 1076 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 4114 SdHoareTripleChecker+Invalid, 2918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1076 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:01,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 4114 Invalid, 2918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1076 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-20 01:02:01,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4830 states. [2022-07-20 01:02:01,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4830 to 4663. [2022-07-20 01:02:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4663 states, 3104 states have (on average 1.2896262886597938) internal successors, (4003), 3177 states have internal predecessors, (4003), 1190 states have call successors, (1190), 369 states have call predecessors, (1190), 368 states have return successors, (1176), 1168 states have call predecessors, (1176), 1176 states have call successors, (1176) [2022-07-20 01:02:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4663 states to 4663 states and 6369 transitions. [2022-07-20 01:02:01,478 INFO L78 Accepts]: Start accepts. Automaton has 4663 states and 6369 transitions. Word has length 217 [2022-07-20 01:02:01,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:01,478 INFO L495 AbstractCegarLoop]: Abstraction has 4663 states and 6369 transitions. [2022-07-20 01:02:01,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 01:02:01,479 INFO L276 IsEmpty]: Start isEmpty. Operand 4663 states and 6369 transitions. [2022-07-20 01:02:01,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-07-20 01:02:01,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:01,481 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:02:01,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:02:01,481 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:01,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:01,482 INFO L85 PathProgramCache]: Analyzing trace with hash -614565496, now seen corresponding path program 1 times [2022-07-20 01:02:01,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:01,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405430358] [2022-07-20 01:02:01,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:01,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2022-07-20 01:02:01,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:01,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405430358] [2022-07-20 01:02:01,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405430358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:01,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:01,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:02:01,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025762790] [2022-07-20 01:02:01,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:01,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:02:01,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:01,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:02:01,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:02:01,779 INFO L87 Difference]: Start difference. First operand 4663 states and 6369 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:03,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:03,318 INFO L93 Difference]: Finished difference Result 4805 states and 6589 transitions. [2022-07-20 01:02:03,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:02:03,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 212 [2022-07-20 01:02:03,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:03,357 INFO L225 Difference]: With dead ends: 4805 [2022-07-20 01:02:03,357 INFO L226 Difference]: Without dead ends: 4802 [2022-07-20 01:02:03,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:02:03,368 INFO L413 NwaCegarLoop]: 1352 mSDtfsCounter, 2012 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 1283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2188 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 1772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1283 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:03,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2188 Valid, 1904 Invalid, 1772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1283 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 01:02:03,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4802 states. [2022-07-20 01:02:03,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4802 to 4662. [2022-07-20 01:02:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4662 states, 3104 states have (on average 1.2893041237113403) internal successors, (4002), 3176 states have internal predecessors, (4002), 1189 states have call successors, (1189), 369 states have call predecessors, (1189), 368 states have return successors, (1176), 1168 states have call predecessors, (1176), 1176 states have call successors, (1176) [2022-07-20 01:02:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4662 states to 4662 states and 6367 transitions. [2022-07-20 01:02:03,554 INFO L78 Accepts]: Start accepts. Automaton has 4662 states and 6367 transitions. Word has length 212 [2022-07-20 01:02:03,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:03,555 INFO L495 AbstractCegarLoop]: Abstraction has 4662 states and 6367 transitions. [2022-07-20 01:02:03,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4662 states and 6367 transitions. [2022-07-20 01:02:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-20 01:02:03,556 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:03,557 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:02:03,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:02:03,557 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:03,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:03,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1872153495, now seen corresponding path program 1 times [2022-07-20 01:02:03,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:03,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423653718] [2022-07-20 01:02:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:03,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:03,912 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2022-07-20 01:02:03,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:03,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423653718] [2022-07-20 01:02:03,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423653718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:03,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:03,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:02:03,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550162723] [2022-07-20 01:02:03,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:03,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:02:03,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:03,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:02:03,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:02:03,926 INFO L87 Difference]: Start difference. First operand 4662 states and 6367 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:06,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:06,214 INFO L93 Difference]: Finished difference Result 4804 states and 6587 transitions. [2022-07-20 01:02:06,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:02:06,215 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 213 [2022-07-20 01:02:06,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:06,237 INFO L225 Difference]: With dead ends: 4804 [2022-07-20 01:02:06,237 INFO L226 Difference]: Without dead ends: 4801 [2022-07-20 01:02:06,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:02:06,240 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1742 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 2380 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:06,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1917 Valid, 2380 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-20 01:02:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4801 states. [2022-07-20 01:02:06,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4801 to 4661. [2022-07-20 01:02:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4661 states, 3104 states have (on average 1.2889819587628866) internal successors, (4001), 3175 states have internal predecessors, (4001), 1188 states have call successors, (1188), 369 states have call predecessors, (1188), 368 states have return successors, (1176), 1168 states have call predecessors, (1176), 1176 states have call successors, (1176) [2022-07-20 01:02:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 4661 states and 6365 transitions. [2022-07-20 01:02:06,424 INFO L78 Accepts]: Start accepts. Automaton has 4661 states and 6365 transitions. Word has length 213 [2022-07-20 01:02:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:06,426 INFO L495 AbstractCegarLoop]: Abstraction has 4661 states and 6365 transitions. [2022-07-20 01:02:06,426 INFO L496 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 4661 states and 6365 transitions. [2022-07-20 01:02:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-07-20 01:02:06,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:06,428 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:02:06,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 01:02:06,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:06,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:06,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2092296363, now seen corresponding path program 1 times [2022-07-20 01:02:06,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:06,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094416264] [2022-07-20 01:02:06,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:06,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2022-07-20 01:02:06,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:06,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094416264] [2022-07-20 01:02:06,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094416264] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:06,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:06,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:02:06,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621183242] [2022-07-20 01:02:06,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:06,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:02:06,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:06,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:02:06,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:02:06,689 INFO L87 Difference]: Start difference. First operand 4661 states and 6365 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:08,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:08,774 INFO L93 Difference]: Finished difference Result 4803 states and 6585 transitions. [2022-07-20 01:02:08,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:02:08,774 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 214 [2022-07-20 01:02:08,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:08,799 INFO L225 Difference]: With dead ends: 4803 [2022-07-20 01:02:08,800 INFO L226 Difference]: Without dead ends: 4800 [2022-07-20 01:02:08,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:02:08,804 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 1739 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 2377 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 954 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:08,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 2377 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [954 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 01:02:08,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2022-07-20 01:02:08,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 4660. [2022-07-20 01:02:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4660 states, 3104 states have (on average 1.288659793814433) internal successors, (4000), 3174 states have internal predecessors, (4000), 1187 states have call successors, (1187), 369 states have call predecessors, (1187), 368 states have return successors, (1176), 1168 states have call predecessors, (1176), 1176 states have call successors, (1176) [2022-07-20 01:02:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 4660 states and 6363 transitions. [2022-07-20 01:02:08,932 INFO L78 Accepts]: Start accepts. Automaton has 4660 states and 6363 transitions. Word has length 214 [2022-07-20 01:02:08,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:08,932 INFO L495 AbstractCegarLoop]: Abstraction has 4660 states and 6363 transitions. [2022-07-20 01:02:08,933 INFO L496 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 4660 states and 6363 transitions. [2022-07-20 01:02:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-20 01:02:08,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:08,935 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:02:08,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 01:02:08,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:08,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:08,936 INFO L85 PathProgramCache]: Analyzing trace with hash 436195244, now seen corresponding path program 1 times [2022-07-20 01:02:08,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:08,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701883828] [2022-07-20 01:02:08,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:08,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2022-07-20 01:02:09,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:09,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701883828] [2022-07-20 01:02:09,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701883828] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:09,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:09,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:02:09,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278373484] [2022-07-20 01:02:09,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:09,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:02:09,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:09,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:02:09,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:02:09,247 INFO L87 Difference]: Start difference. First operand 4660 states and 6363 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:13,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:13,393 INFO L93 Difference]: Finished difference Result 13877 states and 19010 transitions. [2022-07-20 01:02:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:02:13,394 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 215 [2022-07-20 01:02:13,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:13,438 INFO L225 Difference]: With dead ends: 13877 [2022-07-20 01:02:13,439 INFO L226 Difference]: Without dead ends: 9272 [2022-07-20 01:02:13,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:02:13,457 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 2258 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 1901 mSolverCounterSat, 1397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2466 SdHoareTripleChecker+Valid, 3897 SdHoareTripleChecker+Invalid, 3298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1397 IncrementalHoareTripleChecker+Valid, 1901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:13,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2466 Valid, 3897 Invalid, 3298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1397 Valid, 1901 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-20 01:02:13,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9272 states. [2022-07-20 01:02:13,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9272 to 8978. [2022-07-20 01:02:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8978 states, 6016 states have (on average 1.2918882978723405) internal successors, (7772), 6160 states have internal predecessors, (7772), 2247 states have call successors, (2247), 724 states have call predecessors, (2247), 714 states have return successors, (2234), 2190 states have call predecessors, (2234), 2234 states have call successors, (2234) [2022-07-20 01:02:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8978 states to 8978 states and 12253 transitions. [2022-07-20 01:02:13,838 INFO L78 Accepts]: Start accepts. Automaton has 8978 states and 12253 transitions. Word has length 215 [2022-07-20 01:02:13,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:13,839 INFO L495 AbstractCegarLoop]: Abstraction has 8978 states and 12253 transitions. [2022-07-20 01:02:13,839 INFO L496 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:13,839 INFO L276 IsEmpty]: Start isEmpty. Operand 8978 states and 12253 transitions. [2022-07-20 01:02:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-20 01:02:13,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:13,841 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:02:13,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 01:02:13,841 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:13,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:13,842 INFO L85 PathProgramCache]: Analyzing trace with hash 636672974, now seen corresponding path program 1 times [2022-07-20 01:02:13,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:13,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001732831] [2022-07-20 01:02:13,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:13,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:13,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:13,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2022-07-20 01:02:14,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:14,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001732831] [2022-07-20 01:02:14,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001732831] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:14,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:14,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:02:14,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800082543] [2022-07-20 01:02:14,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:14,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:02:14,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:14,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:02:14,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:02:14,094 INFO L87 Difference]: Start difference. First operand 8978 states and 12253 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:16,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:16,804 INFO L93 Difference]: Finished difference Result 10164 states and 13530 transitions. [2022-07-20 01:02:16,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:02:16,804 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 216 [2022-07-20 01:02:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:16,852 INFO L225 Difference]: With dead ends: 10164 [2022-07-20 01:02:16,852 INFO L226 Difference]: Without dead ends: 10160 [2022-07-20 01:02:16,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:02:16,924 INFO L413 NwaCegarLoop]: 1364 mSDtfsCounter, 1742 mSDsluCounter, 1647 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 836 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 3011 SdHoareTripleChecker+Invalid, 2187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 836 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:16,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1917 Valid, 3011 Invalid, 2187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [836 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-20 01:02:16,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10160 states. [2022-07-20 01:02:17,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10160 to 9902. [2022-07-20 01:02:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9902 states, 6668 states have (on average 1.2730953809238152) internal successors, (8489), 6806 states have internal predecessors, (8489), 2317 states have call successors, (2317), 930 states have call predecessors, (2317), 916 states have return successors, (2306), 2262 states have call predecessors, (2306), 2306 states have call successors, (2306) [2022-07-20 01:02:17,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9902 states to 9902 states and 13112 transitions. [2022-07-20 01:02:17,191 INFO L78 Accepts]: Start accepts. Automaton has 9902 states and 13112 transitions. Word has length 216 [2022-07-20 01:02:17,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:17,193 INFO L495 AbstractCegarLoop]: Abstraction has 9902 states and 13112 transitions. [2022-07-20 01:02:17,193 INFO L496 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, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:17,193 INFO L276 IsEmpty]: Start isEmpty. Operand 9902 states and 13112 transitions. [2022-07-20 01:02:17,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-20 01:02:17,195 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:17,195 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:02:17,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 01:02:17,196 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:17,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:17,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1738447121, now seen corresponding path program 1 times [2022-07-20 01:02:17,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:17,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121831640] [2022-07-20 01:02:17,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2022-07-20 01:02:17,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:17,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121831640] [2022-07-20 01:02:17,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121831640] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:17,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:17,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:02:17,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346954502] [2022-07-20 01:02:17,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:17,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:02:17,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:17,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:02:17,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:02:17,473 INFO L87 Difference]: Start difference. First operand 9902 states and 13112 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:21,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:21,693 INFO L93 Difference]: Finished difference Result 28511 states and 38092 transitions. [2022-07-20 01:02:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:02:21,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 217 [2022-07-20 01:02:21,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:21,752 INFO L225 Difference]: With dead ends: 28511 [2022-07-20 01:02:21,752 INFO L226 Difference]: Without dead ends: 18654 [2022-07-20 01:02:21,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:02:21,782 INFO L413 NwaCegarLoop]: 1564 mSDtfsCounter, 2191 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 2227 mSolverCounterSat, 1386 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 3943 SdHoareTripleChecker+Invalid, 3613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1386 IncrementalHoareTripleChecker+Valid, 2227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:21,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 3943 Invalid, 3613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1386 Valid, 2227 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-20 01:02:21,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18654 states. [2022-07-20 01:02:22,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18654 to 18021. [2022-07-20 01:02:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18021 states, 12211 states have (on average 1.2814675292768816) internal successors, (15648), 12494 states have internal predecessors, (15648), 4176 states have call successors, (4176), 1678 states have call predecessors, (4176), 1633 states have return successors, (4194), 4021 states have call predecessors, (4194), 4162 states have call successors, (4194) [2022-07-20 01:02:22,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18021 states to 18021 states and 24018 transitions. [2022-07-20 01:02:22,427 INFO L78 Accepts]: Start accepts. Automaton has 18021 states and 24018 transitions. Word has length 217 [2022-07-20 01:02:22,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:22,427 INFO L495 AbstractCegarLoop]: Abstraction has 18021 states and 24018 transitions. [2022-07-20 01:02:22,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 01:02:22,428 INFO L276 IsEmpty]: Start isEmpty. Operand 18021 states and 24018 transitions. [2022-07-20 01:02:22,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-20 01:02:22,433 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:22,433 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-20 01:02:22,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 01:02:22,434 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:22,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:22,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1414789075, now seen corresponding path program 1 times [2022-07-20 01:02:22,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:22,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145415438] [2022-07-20 01:02:22,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:22,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:02:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:02:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 01:02:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-20 01:02:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:02:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 01:02:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2022-07-20 01:02:22,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:22,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145415438] [2022-07-20 01:02:22,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145415438] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:22,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:22,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:02:22,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472597521] [2022-07-20 01:02:22,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:22,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:02:22,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:22,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:02:22,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:02:22,755 INFO L87 Difference]: Start difference. First operand 18021 states and 24018 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 01:02:25,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:25,487 INFO L93 Difference]: Finished difference Result 27544 states and 36738 transitions. [2022-07-20 01:02:25,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:02:25,488 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 269 [2022-07-20 01:02:25,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:25,517 INFO L225 Difference]: With dead ends: 27544 [2022-07-20 01:02:25,518 INFO L226 Difference]: Without dead ends: 9576 [2022-07-20 01:02:25,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:02:25,564 INFO L413 NwaCegarLoop]: 1360 mSDtfsCounter, 658 mSDsluCounter, 1899 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 3259 SdHoareTripleChecker+Invalid, 2134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 718 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:25,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 3259 Invalid, 2134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [718 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 01:02:25,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9576 states. [2022-07-20 01:02:25,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9576 to 9228. [2022-07-20 01:02:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9228 states, 6257 states have (on average 1.2817644238452932) internal successors, (8020), 6403 states have internal predecessors, (8020), 2132 states have call successors, (2132), 862 states have call predecessors, (2132), 838 states have return successors, (2134), 2050 states have call predecessors, (2134), 2118 states have call successors, (2134) [2022-07-20 01:02:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9228 states to 9228 states and 12286 transitions. [2022-07-20 01:02:25,840 INFO L78 Accepts]: Start accepts. Automaton has 9228 states and 12286 transitions. Word has length 269 [2022-07-20 01:02:25,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:25,841 INFO L495 AbstractCegarLoop]: Abstraction has 9228 states and 12286 transitions. [2022-07-20 01:02:25,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 01:02:25,841 INFO L276 IsEmpty]: Start isEmpty. Operand 9228 states and 12286 transitions. [2022-07-20 01:02:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-07-20 01:02:25,845 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:25,846 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 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] [2022-07-20 01:02:25,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 01:02:25,846 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:25,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:25,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1776870553, now seen corresponding path program 1 times [2022-07-20 01:02:25,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:25,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666950170] [2022-07-20 01:02:25,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:25,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:25,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:02:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:02:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 01:02:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 01:02:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:02:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2022-07-20 01:02:26,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:26,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666950170] [2022-07-20 01:02:26,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666950170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:26,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:26,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:02:26,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853409260] [2022-07-20 01:02:26,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:26,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:02:26,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:26,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:02:26,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:02:26,211 INFO L87 Difference]: Start difference. First operand 9228 states and 12286 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 01:02:30,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:30,915 INFO L93 Difference]: Finished difference Result 23329 states and 31042 transitions. [2022-07-20 01:02:30,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:02:30,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 277 [2022-07-20 01:02:30,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:30,975 INFO L225 Difference]: With dead ends: 23329 [2022-07-20 01:02:30,976 INFO L226 Difference]: Without dead ends: 14262 [2022-07-20 01:02:30,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:02:30,995 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 1740 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 1144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 4543 SdHoareTripleChecker+Invalid, 3500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1144 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:30,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 4543 Invalid, 3500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1144 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-20 01:02:31,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14262 states. [2022-07-20 01:02:31,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14262 to 13718. [2022-07-20 01:02:31,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13718 states, 9366 states have (on average 1.2773862908392057) internal successors, (11964), 9578 states have internal predecessors, (11964), 3066 states have call successors, (3066), 1321 states have call predecessors, (3066), 1285 states have return successors, (3068), 2951 states have call predecessors, (3068), 3052 states have call successors, (3068) [2022-07-20 01:02:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13718 states to 13718 states and 18098 transitions. [2022-07-20 01:02:31,338 INFO L78 Accepts]: Start accepts. Automaton has 13718 states and 18098 transitions. Word has length 277 [2022-07-20 01:02:31,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:31,339 INFO L495 AbstractCegarLoop]: Abstraction has 13718 states and 18098 transitions. [2022-07-20 01:02:31,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 01:02:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 13718 states and 18098 transitions. [2022-07-20 01:02:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-07-20 01:02:31,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:31,342 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 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] [2022-07-20 01:02:31,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 01:02:31,342 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:31,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:31,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1872039139, now seen corresponding path program 1 times [2022-07-20 01:02:31,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:31,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015353567] [2022-07-20 01:02:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:31,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:02:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:02:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 01:02:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 01:02:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:02:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:02:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2022-07-20 01:02:31,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:31,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015353567] [2022-07-20 01:02:31,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015353567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:31,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:31,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:02:31,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882504060] [2022-07-20 01:02:31,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:31,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:02:31,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:31,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:02:31,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:02:31,622 INFO L87 Difference]: Start difference. First operand 13718 states and 18098 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 01:02:35,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:35,987 INFO L93 Difference]: Finished difference Result 14124 states and 18714 transitions. [2022-07-20 01:02:35,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 01:02:35,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 286 [2022-07-20 01:02:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:36,025 INFO L225 Difference]: With dead ends: 14124 [2022-07-20 01:02:36,025 INFO L226 Difference]: Without dead ends: 14121 [2022-07-20 01:02:36,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:02:36,035 INFO L413 NwaCegarLoop]: 1308 mSDtfsCounter, 1393 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 2731 mSolverCounterSat, 1214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 3945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1214 IncrementalHoareTripleChecker+Valid, 2731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:36,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 3151 Invalid, 3945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1214 Valid, 2731 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 01:02:36,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14121 states. [2022-07-20 01:02:36,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14121 to 13717. [2022-07-20 01:02:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13717 states, 9366 states have (on average 1.275998291693359) internal successors, (11951), 9577 states have internal predecessors, (11951), 3065 states have call successors, (3065), 1321 states have call predecessors, (3065), 1285 states have return successors, (3068), 2951 states have call predecessors, (3068), 3052 states have call successors, (3068) [2022-07-20 01:02:36,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13717 states to 13717 states and 18084 transitions. [2022-07-20 01:02:36,460 INFO L78 Accepts]: Start accepts. Automaton has 13717 states and 18084 transitions. Word has length 286 [2022-07-20 01:02:36,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:36,460 INFO L495 AbstractCegarLoop]: Abstraction has 13717 states and 18084 transitions. [2022-07-20 01:02:36,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 01:02:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 13717 states and 18084 transitions. [2022-07-20 01:02:36,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-20 01:02:36,465 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:36,465 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 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] [2022-07-20 01:02:36,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 01:02:36,465 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:36,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:36,466 INFO L85 PathProgramCache]: Analyzing trace with hash -440611390, now seen corresponding path program 1 times [2022-07-20 01:02:36,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:36,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210083426] [2022-07-20 01:02:36,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:36,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:02:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:02:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 01:02:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:02:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-20 01:02:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 01:02:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 01:02:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 01:02:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2022-07-20 01:02:36,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:36,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210083426] [2022-07-20 01:02:36,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210083426] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:36,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:36,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:02:36,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724567276] [2022-07-20 01:02:36,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:36,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:02:36,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:36,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:02:36,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:02:36,824 INFO L87 Difference]: Start difference. First operand 13717 states and 18084 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 01:02:41,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:41,715 INFO L93 Difference]: Finished difference Result 32642 states and 43128 transitions. [2022-07-20 01:02:41,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:02:41,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 302 [2022-07-20 01:02:41,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:41,764 INFO L225 Difference]: With dead ends: 32642 [2022-07-20 01:02:41,765 INFO L226 Difference]: Without dead ends: 19086 [2022-07-20 01:02:41,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:02:41,814 INFO L413 NwaCegarLoop]: 1744 mSDtfsCounter, 1775 mSDsluCounter, 2591 mSDsCounter, 0 mSdLazyCounter, 2194 mSolverCounterSat, 1095 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 4335 SdHoareTripleChecker+Invalid, 3289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1095 IncrementalHoareTripleChecker+Valid, 2194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:41,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 4335 Invalid, 3289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1095 Valid, 2194 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-20 01:02:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19086 states. [2022-07-20 01:02:42,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19086 to 18489. [2022-07-20 01:02:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18489 states, 12740 states have (on average 1.279591836734694) internal successors, (16302), 13045 states have internal predecessors, (16302), 4003 states have call successors, (4003), 1785 states have call predecessors, (4003), 1745 states have return successors, (4014), 3855 states have call predecessors, (4014), 3990 states have call successors, (4014) [2022-07-20 01:02:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18489 states to 18489 states and 24319 transitions. [2022-07-20 01:02:42,491 INFO L78 Accepts]: Start accepts. Automaton has 18489 states and 24319 transitions. Word has length 302 [2022-07-20 01:02:42,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:42,492 INFO L495 AbstractCegarLoop]: Abstraction has 18489 states and 24319 transitions. [2022-07-20 01:02:42,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-20 01:02:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 18489 states and 24319 transitions. [2022-07-20 01:02:42,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-20 01:02:42,503 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:42,503 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 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] [2022-07-20 01:02:42,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 01:02:42,503 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:42,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:42,504 INFO L85 PathProgramCache]: Analyzing trace with hash -707177539, now seen corresponding path program 1 times [2022-07-20 01:02:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:42,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072855814] [2022-07-20 01:02:42,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:42,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:02:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:02:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 01:02:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 01:02:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:02:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:02:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 01:02:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 01:02:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 01:02:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 01:02:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-07-20 01:02:42,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:42,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072855814] [2022-07-20 01:02:42,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072855814] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:42,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:42,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 01:02:42,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329131772] [2022-07-20 01:02:42,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:42,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 01:02:42,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:42,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 01:02:42,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:02:42,852 INFO L87 Difference]: Start difference. First operand 18489 states and 24319 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-20 01:02:48,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:48,734 INFO L93 Difference]: Finished difference Result 37489 states and 49375 transitions. [2022-07-20 01:02:48,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-20 01:02:48,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 310 [2022-07-20 01:02:48,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:48,790 INFO L225 Difference]: With dead ends: 37489 [2022-07-20 01:02:48,790 INFO L226 Difference]: Without dead ends: 19161 [2022-07-20 01:02:48,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2022-07-20 01:02:48,826 INFO L413 NwaCegarLoop]: 2154 mSDtfsCounter, 2727 mSDsluCounter, 3102 mSDsCounter, 0 mSdLazyCounter, 3799 mSolverCounterSat, 2549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 5256 SdHoareTripleChecker+Invalid, 6348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2549 IncrementalHoareTripleChecker+Valid, 3799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:48,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 5256 Invalid, 6348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2549 Valid, 3799 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-20 01:02:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19161 states. [2022-07-20 01:02:49,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19161 to 18442. [2022-07-20 01:02:49,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18442 states, 12693 states have (on average 1.2762940203261641) internal successors, (16200), 13026 states have internal predecessors, (16200), 3996 states have call successors, (3996), 1765 states have call predecessors, (3996), 1752 states have return successors, (3979), 3847 states have call predecessors, (3979), 3967 states have call successors, (3979) [2022-07-20 01:02:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18442 states to 18442 states and 24175 transitions. [2022-07-20 01:02:49,364 INFO L78 Accepts]: Start accepts. Automaton has 18442 states and 24175 transitions. Word has length 310 [2022-07-20 01:02:49,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:49,364 INFO L495 AbstractCegarLoop]: Abstraction has 18442 states and 24175 transitions. [2022-07-20 01:02:49,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (31), 8 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-20 01:02:49,366 INFO L276 IsEmpty]: Start isEmpty. Operand 18442 states and 24175 transitions. [2022-07-20 01:02:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-20 01:02:49,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:49,372 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 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] [2022-07-20 01:02:49,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 01:02:49,377 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:49,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:49,377 INFO L85 PathProgramCache]: Analyzing trace with hash 74855697, now seen corresponding path program 1 times [2022-07-20 01:02:49,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:49,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865922826] [2022-07-20 01:02:49,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:49,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:02:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:02:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 01:02:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-20 01:02:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-20 01:02:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-20 01:02:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 01:02:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-20 01:02:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-20 01:02:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:02:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2022-07-20 01:02:49,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:49,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865922826] [2022-07-20 01:02:49,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865922826] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:49,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:49,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:02:49,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116234175] [2022-07-20 01:02:49,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:49,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:02:49,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:49,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:02:49,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:02:49,769 INFO L87 Difference]: Start difference. First operand 18442 states and 24175 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 01:02:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:02:53,394 INFO L93 Difference]: Finished difference Result 36789 states and 48215 transitions. [2022-07-20 01:02:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:02:53,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 317 [2022-07-20 01:02:53,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:02:53,447 INFO L225 Difference]: With dead ends: 36789 [2022-07-20 01:02:53,447 INFO L226 Difference]: Without dead ends: 18508 [2022-07-20 01:02:53,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-07-20 01:02:53,482 INFO L413 NwaCegarLoop]: 1355 mSDtfsCounter, 894 mSDsluCounter, 4056 mSDsCounter, 0 mSdLazyCounter, 3040 mSolverCounterSat, 1005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 5411 SdHoareTripleChecker+Invalid, 4045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1005 IncrementalHoareTripleChecker+Valid, 3040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:02:53,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 5411 Invalid, 4045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1005 Valid, 3040 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 01:02:53,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18508 states. [2022-07-20 01:02:53,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18508 to 17790. [2022-07-20 01:02:54,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17790 states, 12322 states have (on average 1.2747930530757994) internal successors, (15708), 12608 states have internal predecessors, (15708), 3752 states have call successors, (3752), 1728 states have call predecessors, (3752), 1715 states have return successors, (3737), 3638 states have call predecessors, (3737), 3725 states have call successors, (3737) [2022-07-20 01:02:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17790 states to 17790 states and 23197 transitions. [2022-07-20 01:02:54,049 INFO L78 Accepts]: Start accepts. Automaton has 17790 states and 23197 transitions. Word has length 317 [2022-07-20 01:02:54,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:02:54,049 INFO L495 AbstractCegarLoop]: Abstraction has 17790 states and 23197 transitions. [2022-07-20 01:02:54,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 5 states have internal predecessors, (103), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 01:02:54,050 INFO L276 IsEmpty]: Start isEmpty. Operand 17790 states and 23197 transitions. [2022-07-20 01:02:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-07-20 01:02:54,055 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:02:54,056 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:02:54,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 01:02:54,056 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:02:54,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:02:54,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1629770714, now seen corresponding path program 1 times [2022-07-20 01:02:54,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:02:54,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152355167] [2022-07-20 01:02:54,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:02:54,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:02:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:02:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:02:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:02:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:02:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:02:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:02:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:02:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:02:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:02:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:02:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:02:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:02:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:02:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:02:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:02:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:02:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:02:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:02:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:02:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:02:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 01:02:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:02:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:02:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 01:02:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 01:02:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 01:02:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-20 01:02:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:02:54,340 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2022-07-20 01:02:54,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:02:54,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152355167] [2022-07-20 01:02:54,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152355167] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:02:54,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:02:54,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 01:02:54,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599062716] [2022-07-20 01:02:54,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:02:54,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 01:02:54,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:02:54,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 01:02:54,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:02:54,342 INFO L87 Difference]: Start difference. First operand 17790 states and 23197 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 01:03:00,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:03:00,007 INFO L93 Difference]: Finished difference Result 42837 states and 56021 transitions. [2022-07-20 01:03:00,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 01:03:00,007 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 314 [2022-07-20 01:03:00,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:03:00,117 INFO L225 Difference]: With dead ends: 42837 [2022-07-20 01:03:00,118 INFO L226 Difference]: Without dead ends: 25208 [2022-07-20 01:03:00,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-07-20 01:03:00,169 INFO L413 NwaCegarLoop]: 2335 mSDtfsCounter, 2094 mSDsluCounter, 5148 mSDsCounter, 0 mSdLazyCounter, 4193 mSolverCounterSat, 1255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 7483 SdHoareTripleChecker+Invalid, 5448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 4193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:03:00,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 7483 Invalid, 5448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1255 Valid, 4193 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-20 01:03:00,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25208 states. [2022-07-20 01:03:00,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25208 to 17826. [2022-07-20 01:03:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17826 states, 12358 states have (on average 1.2739925554296812) internal successors, (15744), 12644 states have internal predecessors, (15744), 3752 states have call successors, (3752), 1728 states have call predecessors, (3752), 1715 states have return successors, (3737), 3638 states have call predecessors, (3737), 3725 states have call successors, (3737) [2022-07-20 01:03:00,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17826 states to 17826 states and 23233 transitions. [2022-07-20 01:03:00,878 INFO L78 Accepts]: Start accepts. Automaton has 17826 states and 23233 transitions. Word has length 314 [2022-07-20 01:03:00,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:03:00,879 INFO L495 AbstractCegarLoop]: Abstraction has 17826 states and 23233 transitions. [2022-07-20 01:03:00,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 01:03:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 17826 states and 23233 transitions. [2022-07-20 01:03:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-20 01:03:00,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:00,887 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 3, 3, 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] [2022-07-20 01:03:00,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 01:03:00,887 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:00,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:00,887 INFO L85 PathProgramCache]: Analyzing trace with hash -370836016, now seen corresponding path program 1 times [2022-07-20 01:03:00,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:00,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660782402] [2022-07-20 01:03:00,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:00,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:03:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:03:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:03:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:03:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:03:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:03:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:03:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:03:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:03:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:03:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:03:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 01:03:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:03:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:03:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 01:03:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 01:03:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 01:03:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:03:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-20 01:03:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2022-07-20 01:03:01,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:01,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660782402] [2022-07-20 01:03:01,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660782402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:01,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:03:01,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-20 01:03:01,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762213653] [2022-07-20 01:03:01,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:01,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-20 01:03:01,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:01,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-20 01:03:01,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-07-20 01:03:01,406 INFO L87 Difference]: Start difference. First operand 17826 states and 23233 transitions. Second operand has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 6 states have internal predecessors, (118), 2 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 01:03:06,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:03:06,987 INFO L93 Difference]: Finished difference Result 36173 states and 47261 transitions. [2022-07-20 01:03:06,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:03:06,988 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 6 states have internal predecessors, (118), 2 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 332 [2022-07-20 01:03:06,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:03:07,039 INFO L225 Difference]: With dead ends: 36173 [2022-07-20 01:03:07,040 INFO L226 Difference]: Without dead ends: 18508 [2022-07-20 01:03:07,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2022-07-20 01:03:07,075 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 431 mSDsluCounter, 6996 mSDsCounter, 0 mSdLazyCounter, 5463 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 8330 SdHoareTripleChecker+Invalid, 5843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 5463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-07-20 01:03:07,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 8330 Invalid, 5843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 5463 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-07-20 01:03:07,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18508 states. [2022-07-20 01:03:07,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18508 to 18018. [2022-07-20 01:03:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18018 states, 12502 states have (on average 1.2708366661334187) internal successors, (15888), 12788 states have internal predecessors, (15888), 3752 states have call successors, (3752), 1728 states have call predecessors, (3752), 1763 states have return successors, (3841), 3686 states have call predecessors, (3841), 3725 states have call successors, (3841) [2022-07-20 01:03:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18018 states to 18018 states and 23481 transitions. [2022-07-20 01:03:07,764 INFO L78 Accepts]: Start accepts. Automaton has 18018 states and 23481 transitions. Word has length 332 [2022-07-20 01:03:07,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:03:07,764 INFO L495 AbstractCegarLoop]: Abstraction has 18018 states and 23481 transitions. [2022-07-20 01:03:07,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 6 states have internal predecessors, (118), 2 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 01:03:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 18018 states and 23481 transitions. [2022-07-20 01:03:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-20 01:03:07,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:07,789 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 3, 3, 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] [2022-07-20 01:03:07,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 01:03:07,789 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:07,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash 881482714, now seen corresponding path program 1 times [2022-07-20 01:03:07,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:07,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304313929] [2022-07-20 01:03:07,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:07,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:03:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:03:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:03:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:03:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:03:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:03:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:03:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:03:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:03:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:03:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:03:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 01:03:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:03:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 01:03:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 01:03:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 01:03:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:03:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-20 01:03:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 01:03:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2022-07-20 01:03:08,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:08,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304313929] [2022-07-20 01:03:08,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304313929] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:03:08,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680934927] [2022-07-20 01:03:08,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:08,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:03:08,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:03:08,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:03:08,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 01:03:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:09,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 3200 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 01:03:09,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:03:09,301 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2022-07-20 01:03:09,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:03:09,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680934927] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:09,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 01:03:09,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-20 01:03:09,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888371563] [2022-07-20 01:03:09,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:09,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:03:09,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:09,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:03:09,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:03:09,304 INFO L87 Difference]: Start difference. First operand 18018 states and 23481 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:03:09,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:03:09,982 INFO L93 Difference]: Finished difference Result 35995 states and 46935 transitions. [2022-07-20 01:03:09,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:03:09,983 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 338 [2022-07-20 01:03:09,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:03:10,169 INFO L225 Difference]: With dead ends: 35995 [2022-07-20 01:03:10,170 INFO L226 Difference]: Without dead ends: 18138 [2022-07-20 01:03:10,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:03:10,202 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 129 mSDsluCounter, 4215 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 5685 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:03:10,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 5685 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:03:10,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18138 states. [2022-07-20 01:03:10,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18138 to 17970. [2022-07-20 01:03:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17970 states, 12478 states have (on average 1.2703958967783298) internal successors, (15852), 12752 states have internal predecessors, (15852), 3740 states have call successors, (3740), 1728 states have call predecessors, (3740), 1751 states have return successors, (3817), 3674 states have call predecessors, (3817), 3713 states have call successors, (3817) [2022-07-20 01:03:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17970 states to 17970 states and 23409 transitions. [2022-07-20 01:03:10,840 INFO L78 Accepts]: Start accepts. Automaton has 17970 states and 23409 transitions. Word has length 338 [2022-07-20 01:03:10,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:03:10,841 INFO L495 AbstractCegarLoop]: Abstraction has 17970 states and 23409 transitions. [2022-07-20 01:03:10,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 01:03:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 17970 states and 23409 transitions. [2022-07-20 01:03:10,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-07-20 01:03:10,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:10,848 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:03:10,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-20 01:03:11,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:03:11,067 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:11,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:11,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1266665505, now seen corresponding path program 1 times [2022-07-20 01:03:11,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:11,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23905929] [2022-07-20 01:03:11,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:11,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:03:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:03:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:03:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:03:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:03:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:03:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:03:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:03:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:03:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:03:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:03:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 01:03:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 01:03:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:03:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:03:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 01:03:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 01:03:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-20 01:03:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 01:03:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 01:03:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:11,416 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2022-07-20 01:03:11,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:11,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23905929] [2022-07-20 01:03:11,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23905929] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:11,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:03:11,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:03:11,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533984285] [2022-07-20 01:03:11,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:11,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:03:11,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:11,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:03:11,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:03:11,419 INFO L87 Difference]: Start difference. First operand 17970 states and 23409 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 01:03:16,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:03:16,493 INFO L93 Difference]: Finished difference Result 32235 states and 41798 transitions. [2022-07-20 01:03:16,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 01:03:16,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 330 [2022-07-20 01:03:16,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:03:16,536 INFO L225 Difference]: With dead ends: 32235 [2022-07-20 01:03:16,537 INFO L226 Difference]: Without dead ends: 14426 [2022-07-20 01:03:16,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-20 01:03:16,568 INFO L413 NwaCegarLoop]: 2123 mSDtfsCounter, 2662 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 2582 mSolverCounterSat, 2307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2863 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 4889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2307 IncrementalHoareTripleChecker+Valid, 2582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:03:16,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2863 Valid, 3825 Invalid, 4889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2307 Valid, 2582 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-20 01:03:16,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14426 states. [2022-07-20 01:03:16,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14426 to 13917. [2022-07-20 01:03:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13917 states, 9674 states have (on average 1.2616291089518297) internal successors, (12205), 9870 states have internal predecessors, (12205), 2823 states have call successors, (2823), 1394 states have call predecessors, (2823), 1419 states have return successors, (2876), 2789 states have call predecessors, (2876), 2798 states have call successors, (2876) [2022-07-20 01:03:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13917 states to 13917 states and 17904 transitions. [2022-07-20 01:03:17,027 INFO L78 Accepts]: Start accepts. Automaton has 13917 states and 17904 transitions. Word has length 330 [2022-07-20 01:03:17,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:03:17,027 INFO L495 AbstractCegarLoop]: Abstraction has 13917 states and 17904 transitions. [2022-07-20 01:03:17,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 01:03:17,028 INFO L276 IsEmpty]: Start isEmpty. Operand 13917 states and 17904 transitions. [2022-07-20 01:03:17,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-07-20 01:03:17,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:17,033 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:03:17,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 01:03:17,034 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:17,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:17,034 INFO L85 PathProgramCache]: Analyzing trace with hash -321682397, now seen corresponding path program 1 times [2022-07-20 01:03:17,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:17,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162598569] [2022-07-20 01:03:17,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:17,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:03:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:03:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:03:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:03:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:03:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:03:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:03:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:03:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:03:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:03:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:03:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 01:03:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 01:03:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:03:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:03:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-20 01:03:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 01:03:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-20 01:03:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 01:03:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 01:03:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2022-07-20 01:03:17,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:17,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162598569] [2022-07-20 01:03:17,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162598569] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:17,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:03:17,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:03:17,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633774030] [2022-07-20 01:03:17,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:17,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:03:17,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:17,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:03:17,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:03:17,362 INFO L87 Difference]: Start difference. First operand 13917 states and 17904 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-20 01:03:26,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:03:26,517 INFO L93 Difference]: Finished difference Result 33624 states and 43180 transitions. [2022-07-20 01:03:26,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 01:03:26,518 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 330 [2022-07-20 01:03:26,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:03:26,570 INFO L225 Difference]: With dead ends: 33624 [2022-07-20 01:03:26,571 INFO L226 Difference]: Without dead ends: 19868 [2022-07-20 01:03:26,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2022-07-20 01:03:26,600 INFO L413 NwaCegarLoop]: 2141 mSDtfsCounter, 2202 mSDsluCounter, 4170 mSDsCounter, 0 mSdLazyCounter, 7680 mSolverCounterSat, 1789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 6311 SdHoareTripleChecker+Invalid, 9469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1789 IncrementalHoareTripleChecker+Valid, 7680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:03:26,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 6311 Invalid, 9469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1789 Valid, 7680 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-07-20 01:03:26,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19868 states. [2022-07-20 01:03:27,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19868 to 13971. [2022-07-20 01:03:27,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13971 states, 9710 states have (on average 1.260659114315139) internal successors, (12241), 9906 states have internal predecessors, (12241), 2841 states have call successors, (2841), 1394 states have call predecessors, (2841), 1419 states have return successors, (2894), 2807 states have call predecessors, (2894), 2816 states have call successors, (2894) [2022-07-20 01:03:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13971 states to 13971 states and 17976 transitions. [2022-07-20 01:03:27,144 INFO L78 Accepts]: Start accepts. Automaton has 13971 states and 17976 transitions. Word has length 330 [2022-07-20 01:03:27,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:03:27,144 INFO L495 AbstractCegarLoop]: Abstraction has 13971 states and 17976 transitions. [2022-07-20 01:03:27,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-20 01:03:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 13971 states and 17976 transitions. [2022-07-20 01:03:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-07-20 01:03:27,149 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:27,150 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:03:27,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-20 01:03:27,150 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:27,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:27,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1550623610, now seen corresponding path program 1 times [2022-07-20 01:03:27,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:27,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011486015] [2022-07-20 01:03:27,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:27,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:03:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:03:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:03:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:03:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:03:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:03:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:03:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:03:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:03:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:03:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:03:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 01:03:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-20 01:03:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:03:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-20 01:03:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-20 01:03:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 01:03:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-20 01:03:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:27,485 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2022-07-20 01:03:27,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:27,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011486015] [2022-07-20 01:03:27,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011486015] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:27,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:03:27,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-20 01:03:27,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102446246] [2022-07-20 01:03:27,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:27,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 01:03:27,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:27,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 01:03:27,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-20 01:03:27,488 INFO L87 Difference]: Start difference. First operand 13971 states and 17976 transitions. Second operand has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (33), 7 states have call predecessors, (33), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-20 01:03:38,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:03:38,626 INFO L93 Difference]: Finished difference Result 33585 states and 43358 transitions. [2022-07-20 01:03:38,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-20 01:03:38,627 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (33), 7 states have call predecessors, (33), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 336 [2022-07-20 01:03:38,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:03:38,683 INFO L225 Difference]: With dead ends: 33585 [2022-07-20 01:03:38,683 INFO L226 Difference]: Without dead ends: 19775 [2022-07-20 01:03:38,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756 [2022-07-20 01:03:38,715 INFO L413 NwaCegarLoop]: 2288 mSDtfsCounter, 1811 mSDsluCounter, 11854 mSDsCounter, 0 mSdLazyCounter, 9862 mSolverCounterSat, 922 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 14142 SdHoareTripleChecker+Invalid, 10784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 922 IncrementalHoareTripleChecker+Valid, 9862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:03:38,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 14142 Invalid, 10784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [922 Valid, 9862 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-07-20 01:03:38,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19775 states. [2022-07-20 01:03:39,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19775 to 14052. [2022-07-20 01:03:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14052 states, 9746 states have (on average 1.2596962856556535) internal successors, (12277), 9942 states have internal predecessors, (12277), 2877 states have call successors, (2877), 1394 states have call predecessors, (2877), 1428 states have return successors, (2939), 2852 states have call predecessors, (2939), 2852 states have call successors, (2939) [2022-07-20 01:03:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14052 states to 14052 states and 18093 transitions. [2022-07-20 01:03:39,432 INFO L78 Accepts]: Start accepts. Automaton has 14052 states and 18093 transitions. Word has length 336 [2022-07-20 01:03:39,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:03:39,433 INFO L495 AbstractCegarLoop]: Abstraction has 14052 states and 18093 transitions. [2022-07-20 01:03:39,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (33), 7 states have call predecessors, (33), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-20 01:03:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 14052 states and 18093 transitions. [2022-07-20 01:03:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-07-20 01:03:39,437 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:39,437 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 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] [2022-07-20 01:03:39,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-20 01:03:39,438 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:39,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:39,438 INFO L85 PathProgramCache]: Analyzing trace with hash 681136749, now seen corresponding path program 1 times [2022-07-20 01:03:39,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:39,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942205095] [2022-07-20 01:03:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:39,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:03:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:03:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:03:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:03:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:03:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:03:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:03:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:03:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:03:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:03:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:03:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 01:03:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 01:03:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:03:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:03:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 01:03:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 01:03:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 01:03:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-20 01:03:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 01:03:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-20 01:03:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-20 01:03:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:39,719 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2022-07-20 01:03:39,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:39,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942205095] [2022-07-20 01:03:39,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942205095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:39,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:03:39,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:03:39,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661352233] [2022-07-20 01:03:39,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:39,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:03:39,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:39,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:03:39,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:03:39,721 INFO L87 Difference]: Start difference. First operand 14052 states and 18093 transitions. Second operand has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 01:03:45,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:03:45,770 INFO L93 Difference]: Finished difference Result 33921 states and 43600 transitions. [2022-07-20 01:03:45,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 01:03:45,771 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 342 [2022-07-20 01:03:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:03:45,822 INFO L225 Difference]: With dead ends: 33921 [2022-07-20 01:03:45,822 INFO L226 Difference]: Without dead ends: 20030 [2022-07-20 01:03:45,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2022-07-20 01:03:45,850 INFO L413 NwaCegarLoop]: 2139 mSDtfsCounter, 2544 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 6015 mSolverCounterSat, 2268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2667 SdHoareTripleChecker+Valid, 5245 SdHoareTripleChecker+Invalid, 8283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2268 IncrementalHoareTripleChecker+Valid, 6015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:03:45,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2667 Valid, 5245 Invalid, 8283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2268 Valid, 6015 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-20 01:03:45,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20030 states. [2022-07-20 01:03:46,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20030 to 14034. [2022-07-20 01:03:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14034 states, 9734 states have (on average 1.2597082391617012) internal successors, (12262), 9930 states have internal predecessors, (12262), 2871 states have call successors, (2871), 1394 states have call predecessors, (2871), 1428 states have return successors, (2933), 2846 states have call predecessors, (2933), 2846 states have call successors, (2933) [2022-07-20 01:03:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14034 states to 14034 states and 18066 transitions. [2022-07-20 01:03:46,490 INFO L78 Accepts]: Start accepts. Automaton has 14034 states and 18066 transitions. Word has length 342 [2022-07-20 01:03:46,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:03:46,490 INFO L495 AbstractCegarLoop]: Abstraction has 14034 states and 18066 transitions. [2022-07-20 01:03:46,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 01:03:46,491 INFO L276 IsEmpty]: Start isEmpty. Operand 14034 states and 18066 transitions. [2022-07-20 01:03:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-07-20 01:03:46,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:46,495 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 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] [2022-07-20 01:03:46,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-20 01:03:46,495 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:46,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:46,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1960419061, now seen corresponding path program 1 times [2022-07-20 01:03:46,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:46,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155160703] [2022-07-20 01:03:46,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:46,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:03:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:03:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:03:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:03:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:03:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:03:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:03:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:03:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:03:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:03:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:03:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 01:03:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 01:03:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:03:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:03:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 01:03:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 01:03:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 01:03:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 01:03:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:03:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:03:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 01:03:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 01:03:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-20 01:03:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-20 01:03:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 01:03:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 01:03:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-07-20 01:03:46,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:46,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155160703] [2022-07-20 01:03:46,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155160703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:46,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:03:46,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 01:03:46,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073104144] [2022-07-20 01:03:46,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:46,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 01:03:46,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:46,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 01:03:46,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-20 01:03:46,862 INFO L87 Difference]: Start difference. First operand 14034 states and 18066 transitions. Second operand has 10 states, 10 states have (on average 13.4) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (39), 7 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-20 01:03:53,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:03:53,320 INFO L93 Difference]: Finished difference Result 18543 states and 25115 transitions. [2022-07-20 01:03:53,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 01:03:53,321 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.4) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (39), 7 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 373 [2022-07-20 01:03:53,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:03:53,373 INFO L225 Difference]: With dead ends: 18543 [2022-07-20 01:03:53,373 INFO L226 Difference]: Without dead ends: 18070 [2022-07-20 01:03:53,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2022-07-20 01:03:53,386 INFO L413 NwaCegarLoop]: 1865 mSDtfsCounter, 2534 mSDsluCounter, 5293 mSDsCounter, 0 mSdLazyCounter, 5285 mSolverCounterSat, 1795 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2660 SdHoareTripleChecker+Valid, 7158 SdHoareTripleChecker+Invalid, 7080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1795 IncrementalHoareTripleChecker+Valid, 5285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:03:53,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2660 Valid, 7158 Invalid, 7080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1795 Valid, 5285 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-20 01:03:53,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18070 states. [2022-07-20 01:03:54,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18070 to 13746. [2022-07-20 01:03:54,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13746 states, 9554 states have (on average 1.2569604354197195) internal successors, (12009), 9733 states have internal predecessors, (12009), 2770 states have call successors, (2770), 1386 states have call predecessors, (2770), 1421 states have return successors, (2834), 2753 states have call predecessors, (2834), 2747 states have call successors, (2834) [2022-07-20 01:03:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13746 states to 13746 states and 17613 transitions. [2022-07-20 01:03:54,204 INFO L78 Accepts]: Start accepts. Automaton has 13746 states and 17613 transitions. Word has length 373 [2022-07-20 01:03:54,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:03:54,205 INFO L495 AbstractCegarLoop]: Abstraction has 13746 states and 17613 transitions. [2022-07-20 01:03:54,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.4) internal successors, (134), 5 states have internal predecessors, (134), 2 states have call successors, (39), 7 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-20 01:03:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 13746 states and 17613 transitions. [2022-07-20 01:03:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-20 01:03:54,209 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:03:54,209 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:03:54,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-20 01:03:54,210 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:03:54,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:03:54,210 INFO L85 PathProgramCache]: Analyzing trace with hash 762041698, now seen corresponding path program 1 times [2022-07-20 01:03:54,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:03:54,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274916586] [2022-07-20 01:03:54,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:03:54,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:03:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:03:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:03:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:03:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:03:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:03:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:03:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:03:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:03:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:03:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:03:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:03:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:03:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:03:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:03:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:03:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:03:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:03:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:03:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:03:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:03:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:03:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-20 01:03:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 01:03:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 01:03:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 01:03:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 01:03:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 01:03:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 01:03:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 01:03:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 01:03:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 01:03:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 01:03:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 01:03:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-20 01:03:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-20 01:03:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 01:03:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 01:03:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:03:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-07-20 01:03:54,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:03:54,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274916586] [2022-07-20 01:03:54,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274916586] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:03:54,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:03:54,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 01:03:54,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975382185] [2022-07-20 01:03:54,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:03:54,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 01:03:54,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:03:54,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 01:03:54,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-20 01:03:54,510 INFO L87 Difference]: Start difference. First operand 13746 states and 17613 transitions. Second operand has 10 states, 10 states have (on average 13.9) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-20 01:04:00,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:04:00,571 INFO L93 Difference]: Finished difference Result 25287 states and 32957 transitions. [2022-07-20 01:04:00,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 01:04:00,572 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 377 [2022-07-20 01:04:00,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:04:00,773 INFO L225 Difference]: With dead ends: 25287 [2022-07-20 01:04:00,773 INFO L226 Difference]: Without dead ends: 11702 [2022-07-20 01:04:00,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2022-07-20 01:04:00,799 INFO L413 NwaCegarLoop]: 1679 mSDtfsCounter, 2283 mSDsluCounter, 4994 mSDsCounter, 0 mSdLazyCounter, 5407 mSolverCounterSat, 1790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 6673 SdHoareTripleChecker+Invalid, 7197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1790 IncrementalHoareTripleChecker+Valid, 5407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:04:00,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 6673 Invalid, 7197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1790 Valid, 5407 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-20 01:04:00,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11702 states. [2022-07-20 01:04:01,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11702 to 9476. [2022-07-20 01:04:01,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9476 states, 6595 states have (on average 1.2521607278241091) internal successors, (8258), 6713 states have internal predecessors, (8258), 1856 states have call successors, (1856), 1001 states have call predecessors, (1856), 1024 states have return successors, (1897), 1846 states have call predecessors, (1897), 1839 states have call successors, (1897) [2022-07-20 01:04:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9476 states to 9476 states and 12011 transitions. [2022-07-20 01:04:01,415 INFO L78 Accepts]: Start accepts. Automaton has 9476 states and 12011 transitions. Word has length 377 [2022-07-20 01:04:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:04:01,416 INFO L495 AbstractCegarLoop]: Abstraction has 9476 states and 12011 transitions. [2022-07-20 01:04:01,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-20 01:04:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 9476 states and 12011 transitions. [2022-07-20 01:04:01,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2022-07-20 01:04:01,425 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:01,425 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:04:01,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-20 01:04:01,425 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:01,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:01,426 INFO L85 PathProgramCache]: Analyzing trace with hash 430073238, now seen corresponding path program 1 times [2022-07-20 01:04:01,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:01,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232725774] [2022-07-20 01:04:01,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:01,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:04:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:04:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:04:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:04:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:04:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:04:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:04:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:04:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:04:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:04:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:04:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:04:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 01:04:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 01:04:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 01:04:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 01:04:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 01:04:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:04:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 01:04:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-20 01:04:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 01:04:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 01:04:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-20 01:04:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 01:04:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 01:04:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:01,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 01:04:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 01:04:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-20 01:04:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 01:04:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 01:04:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:04:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 01:04:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 01:04:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 01:04:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-20 01:04:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:04:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-20 01:04:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-20 01:04:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-20 01:04:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-20 01:04:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1357 trivial. 0 not checked. [2022-07-20 01:04:02,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:02,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232725774] [2022-07-20 01:04:02,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232725774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:04:02,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:04:02,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 01:04:02,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940200618] [2022-07-20 01:04:02,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:04:02,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 01:04:02,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:04:02,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 01:04:02,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-20 01:04:02,070 INFO L87 Difference]: Start difference. First operand 9476 states and 12011 transitions. Second operand has 10 states, 10 states have (on average 18.5) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (57), 7 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-20 01:04:06,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:04:06,082 INFO L93 Difference]: Finished difference Result 19086 states and 24269 transitions. [2022-07-20 01:04:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:04:06,083 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.5) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (57), 7 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 556 [2022-07-20 01:04:06,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:04:06,108 INFO L225 Difference]: With dead ends: 19086 [2022-07-20 01:04:06,109 INFO L226 Difference]: Without dead ends: 9771 [2022-07-20 01:04:06,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-07-20 01:04:06,121 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 677 mSDsluCounter, 4044 mSDsCounter, 0 mSdLazyCounter, 3105 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 5389 SdHoareTripleChecker+Invalid, 3816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 3105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:04:06,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 5389 Invalid, 3816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 3105 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 01:04:06,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9771 states. [2022-07-20 01:04:06,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9771 to 9494. [2022-07-20 01:04:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9494 states, 6613 states have (on average 1.2514743686677756) internal successors, (8276), 6731 states have internal predecessors, (8276), 1856 states have call successors, (1856), 1001 states have call predecessors, (1856), 1024 states have return successors, (1897), 1846 states have call predecessors, (1897), 1839 states have call successors, (1897) [2022-07-20 01:04:06,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9494 states to 9494 states and 12029 transitions. [2022-07-20 01:04:06,560 INFO L78 Accepts]: Start accepts. Automaton has 9494 states and 12029 transitions. Word has length 556 [2022-07-20 01:04:06,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:04:06,561 INFO L495 AbstractCegarLoop]: Abstraction has 9494 states and 12029 transitions. [2022-07-20 01:04:06,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.5) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (57), 7 states have call predecessors, (57), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-20 01:04:06,561 INFO L276 IsEmpty]: Start isEmpty. Operand 9494 states and 12029 transitions. [2022-07-20 01:04:06,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2022-07-20 01:04:06,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:06,569 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:04:06,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-20 01:04:06,570 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:06,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:06,570 INFO L85 PathProgramCache]: Analyzing trace with hash -143764295, now seen corresponding path program 1 times [2022-07-20 01:04:06,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:06,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272184404] [2022-07-20 01:04:06,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:06,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:04:06,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:04:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:04:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:04:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:04:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:04:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:04:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:04:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:04:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:04:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:04:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:04:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 01:04:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 01:04:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 01:04:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 01:04:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 01:04:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:04:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-20 01:04:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 01:04:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-20 01:04:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-20 01:04:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 01:04:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-20 01:04:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:04:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 01:04:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:04:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-20 01:04:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 01:04:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 01:04:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:04:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:04:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 01:04:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 01:04:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 01:04:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-20 01:04:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:04:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-20 01:04:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-20 01:04:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-20 01:04:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-20 01:04:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2022-07-20 01:04:07,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:07,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272184404] [2022-07-20 01:04:07,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272184404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:04:07,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:04:07,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 01:04:07,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944711509] [2022-07-20 01:04:07,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:04:07,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 01:04:07,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:04:07,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 01:04:07,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:04:07,177 INFO L87 Difference]: Start difference. First operand 9494 states and 12029 transitions. Second operand has 8 states, 8 states have (on average 23.125) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (56), 7 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-20 01:04:10,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:04:10,290 INFO L93 Difference]: Finished difference Result 19026 states and 24155 transitions. [2022-07-20 01:04:10,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:04:10,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.125) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (56), 7 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 528 [2022-07-20 01:04:10,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:04:10,315 INFO L225 Difference]: With dead ends: 19026 [2022-07-20 01:04:10,315 INFO L226 Difference]: Without dead ends: 9693 [2022-07-20 01:04:10,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-20 01:04:10,333 INFO L413 NwaCegarLoop]: 1336 mSDtfsCounter, 870 mSDsluCounter, 2386 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 3722 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 952 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 01:04:10,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 3722 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [952 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 01:04:10,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9693 states. [2022-07-20 01:04:10,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9693 to 9500. [2022-07-20 01:04:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9500 states, 6619 states have (on average 1.2512464118446895) internal successors, (8282), 6737 states have internal predecessors, (8282), 1856 states have call successors, (1856), 1001 states have call predecessors, (1856), 1024 states have return successors, (1897), 1846 states have call predecessors, (1897), 1839 states have call successors, (1897) [2022-07-20 01:04:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9500 states to 9500 states and 12035 transitions. [2022-07-20 01:04:10,938 INFO L78 Accepts]: Start accepts. Automaton has 9500 states and 12035 transitions. Word has length 528 [2022-07-20 01:04:10,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:04:10,939 INFO L495 AbstractCegarLoop]: Abstraction has 9500 states and 12035 transitions. [2022-07-20 01:04:10,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.125) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (56), 7 states have call predecessors, (56), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-20 01:04:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 9500 states and 12035 transitions. [2022-07-20 01:04:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2022-07-20 01:04:10,948 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:10,948 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:04:10,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-20 01:04:10,948 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:10,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:10,949 INFO L85 PathProgramCache]: Analyzing trace with hash -125714899, now seen corresponding path program 1 times [2022-07-20 01:04:10,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:10,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857565170] [2022-07-20 01:04:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:10,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:04:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:04:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:04:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:04:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:04:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:04:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:04:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:04:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:04:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:04:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:04:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:04:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 01:04:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 01:04:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 01:04:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 01:04:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 01:04:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 01:04:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-20 01:04:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-20 01:04:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-20 01:04:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 01:04:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-20 01:04:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 01:04:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-20 01:04:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 01:04:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 01:04:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 01:04:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:04:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 01:04:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 01:04:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 01:04:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 01:04:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 01:04:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 01:04:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-20 01:04:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:04:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-20 01:04:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-20 01:04:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-20 01:04:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-20 01:04:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 10 proven. 36 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2022-07-20 01:04:11,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:11,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857565170] [2022-07-20 01:04:11,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857565170] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:04:11,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873234040] [2022-07-20 01:04:11,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:11,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:04:11,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:04:11,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:04:11,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 01:04:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:18,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 5298 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-20 01:04:18,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:04:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1367 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-20 01:04:18,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:04:18,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873234040] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:04:18,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 01:04:18,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 14 [2022-07-20 01:04:18,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284394237] [2022-07-20 01:04:18,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:04:18,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:04:18,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:04:18,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:04:18,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-20 01:04:18,889 INFO L87 Difference]: Start difference. First operand 9500 states and 12035 transitions. Second operand has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 7 states have internal predecessors, (197), 2 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (56), 4 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-20 01:04:19,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:04:19,574 INFO L93 Difference]: Finished difference Result 18887 states and 23941 transitions. [2022-07-20 01:04:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 01:04:19,575 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 7 states have internal predecessors, (197), 2 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (56), 4 states have call predecessors, (56), 2 states have call successors, (56) Word has length 558 [2022-07-20 01:04:19,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:04:19,598 INFO L225 Difference]: With dead ends: 18887 [2022-07-20 01:04:19,598 INFO L226 Difference]: Without dead ends: 9548 [2022-07-20 01:04:19,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 722 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-07-20 01:04:19,618 INFO L413 NwaCegarLoop]: 1451 mSDtfsCounter, 9 mSDsluCounter, 10111 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 11562 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:04:19,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 11562 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 01:04:19,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9548 states. [2022-07-20 01:04:20,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9548 to 9530. [2022-07-20 01:04:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9530 states, 6645 states have (on average 1.2502633559066967) internal successors, (8308), 6759 states have internal predecessors, (8308), 1856 states have call successors, (1856), 1001 states have call predecessors, (1856), 1028 states have return successors, (1913), 1854 states have call predecessors, (1913), 1839 states have call successors, (1913) [2022-07-20 01:04:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9530 states to 9530 states and 12077 transitions. [2022-07-20 01:04:20,204 INFO L78 Accepts]: Start accepts. Automaton has 9530 states and 12077 transitions. Word has length 558 [2022-07-20 01:04:20,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:04:20,204 INFO L495 AbstractCegarLoop]: Abstraction has 9530 states and 12077 transitions. [2022-07-20 01:04:20,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.88888888888889) internal successors, (197), 7 states have internal predecessors, (197), 2 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (56), 4 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-20 01:04:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 9530 states and 12077 transitions. [2022-07-20 01:04:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2022-07-20 01:04:20,213 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:20,213 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:04:20,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:04:20,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-07-20 01:04:20,440 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:20,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:20,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1536033565, now seen corresponding path program 2 times [2022-07-20 01:04:20,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:20,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566141000] [2022-07-20 01:04:20,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:20,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:04:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:04:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:04:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:04:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:04:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:04:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:04:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:04:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:04:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:04:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:04:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:04:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 01:04:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 01:04:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:04:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 01:04:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 01:04:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 01:04:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 01:04:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-20 01:04:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 01:04:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 01:04:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 01:04:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:04:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:04:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 01:04:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-20 01:04:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 01:04:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:04:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 01:04:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 01:04:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 01:04:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 01:04:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 01:04:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 01:04:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-20 01:04:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:04:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-20 01:04:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-20 01:04:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-20 01:04:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-20 01:04:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1405 trivial. 0 not checked. [2022-07-20 01:04:21,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:21,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566141000] [2022-07-20 01:04:21,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566141000] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:04:21,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361306712] [2022-07-20 01:04:21,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:04:21,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:04:21,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:04:21,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:04:21,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 01:04:22,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-20 01:04:22,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 01:04:22,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 1941 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-20 01:04:22,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:04:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2022-07-20 01:04:22,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:04:22,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361306712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:04:22,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 01:04:22,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2022-07-20 01:04:22,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066007040] [2022-07-20 01:04:22,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:04:22,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:04:22,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:04:22,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:04:22,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-07-20 01:04:22,629 INFO L87 Difference]: Start difference. First operand 9530 states and 12077 transitions. Second operand has 6 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-07-20 01:04:23,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:04:23,167 INFO L93 Difference]: Finished difference Result 20157 states and 25934 transitions. [2022-07-20 01:04:23,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 01:04:23,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 564 [2022-07-20 01:04:23,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:04:23,196 INFO L225 Difference]: With dead ends: 20157 [2022-07-20 01:04:23,196 INFO L226 Difference]: Without dead ends: 10788 [2022-07-20 01:04:23,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 727 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2022-07-20 01:04:23,216 INFO L413 NwaCegarLoop]: 1916 mSDtfsCounter, 347 mSDsluCounter, 7191 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 9107 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:04:23,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 9107 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 01:04:23,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10788 states. [2022-07-20 01:04:23,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10788 to 9530. [2022-07-20 01:04:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9530 states, 6645 states have (on average 1.2493604213694507) internal successors, (8302), 6759 states have internal predecessors, (8302), 1856 states have call successors, (1856), 1001 states have call predecessors, (1856), 1028 states have return successors, (1913), 1854 states have call predecessors, (1913), 1839 states have call successors, (1913) [2022-07-20 01:04:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9530 states to 9530 states and 12071 transitions. [2022-07-20 01:04:23,836 INFO L78 Accepts]: Start accepts. Automaton has 9530 states and 12071 transitions. Word has length 564 [2022-07-20 01:04:23,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:04:23,836 INFO L495 AbstractCegarLoop]: Abstraction has 9530 states and 12071 transitions. [2022-07-20 01:04:23,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 3 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-07-20 01:04:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 9530 states and 12071 transitions. [2022-07-20 01:04:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2022-07-20 01:04:23,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:23,844 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:04:23,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:04:24,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-20 01:04:24,060 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:24,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:24,060 INFO L85 PathProgramCache]: Analyzing trace with hash -149830171, now seen corresponding path program 1 times [2022-07-20 01:04:24,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:24,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958928640] [2022-07-20 01:04:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:24,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:04:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:04:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:04:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:04:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:04:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:04:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:04:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:04:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:04:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:04:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:04:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:04:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 01:04:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 01:04:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:04:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 01:04:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 01:04:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 01:04:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 01:04:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-20 01:04:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 01:04:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 01:04:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 01:04:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:04:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:04:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 01:04:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-20 01:04:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 01:04:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 01:04:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 01:04:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 01:04:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 01:04:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 01:04:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 01:04:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 01:04:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-20 01:04:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:04:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-20 01:04:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-20 01:04:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-20 01:04:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-20 01:04:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:24,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1405 trivial. 0 not checked. [2022-07-20 01:04:24,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:24,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958928640] [2022-07-20 01:04:24,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958928640] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:04:24,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112117172] [2022-07-20 01:04:24,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:24,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:04:24,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:04:24,860 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:04:24,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 01:04:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:31,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 5325 conjuncts, 36 conjunts are in the unsatisfiable core [2022-07-20 01:04:31,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:04:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2022-07-20 01:04:31,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:04:31,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112117172] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:04:31,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 01:04:31,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 12 [2022-07-20 01:04:31,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015349421] [2022-07-20 01:04:31,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:04:31,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:04:31,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:04:31,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:04:31,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-20 01:04:31,087 INFO L87 Difference]: Start difference. First operand 9530 states and 12071 transitions. Second operand has 7 states, 7 states have (on average 29.0) internal successors, (203), 5 states have internal predecessors, (203), 2 states have call successors, (60), 2 states have call predecessors, (60), 4 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) [2022-07-20 01:04:31,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:04:31,696 INFO L93 Difference]: Finished difference Result 18929 states and 23995 transitions. [2022-07-20 01:04:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:04:31,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 5 states have internal predecessors, (203), 2 states have call successors, (60), 2 states have call predecessors, (60), 4 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) Word has length 564 [2022-07-20 01:04:31,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:04:31,718 INFO L225 Difference]: With dead ends: 18929 [2022-07-20 01:04:31,719 INFO L226 Difference]: Without dead ends: 9560 [2022-07-20 01:04:31,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 729 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-20 01:04:31,732 INFO L413 NwaCegarLoop]: 1451 mSDtfsCounter, 0 mSDsluCounter, 7247 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8698 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:04:31,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8698 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 01:04:31,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9560 states. [2022-07-20 01:04:32,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9560 to 9560. [2022-07-20 01:04:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9560 states, 6669 states have (on average 1.248463037936722) internal successors, (8326), 6777 states have internal predecessors, (8326), 1856 states have call successors, (1856), 1001 states have call predecessors, (1856), 1034 states have return successors, (1931), 1866 states have call predecessors, (1931), 1839 states have call successors, (1931) [2022-07-20 01:04:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9560 states to 9560 states and 12113 transitions. [2022-07-20 01:04:32,196 INFO L78 Accepts]: Start accepts. Automaton has 9560 states and 12113 transitions. Word has length 564 [2022-07-20 01:04:32,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:04:32,196 INFO L495 AbstractCegarLoop]: Abstraction has 9560 states and 12113 transitions. [2022-07-20 01:04:32,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 5 states have internal predecessors, (203), 2 states have call successors, (60), 2 states have call predecessors, (60), 4 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) [2022-07-20 01:04:32,197 INFO L276 IsEmpty]: Start isEmpty. Operand 9560 states and 12113 transitions. [2022-07-20 01:04:32,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-07-20 01:04:32,204 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:04:32,204 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 01:04:32,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-20 01:04:32,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:04:32,412 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:04:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:04:32,413 INFO L85 PathProgramCache]: Analyzing trace with hash 371101905, now seen corresponding path program 2 times [2022-07-20 01:04:32,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:04:32,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727397853] [2022-07-20 01:04:32,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:04:32,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:04:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:04:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:04:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:04:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 01:04:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 01:04:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:04:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:04:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 01:04:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 01:04:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-20 01:04:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 01:04:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 01:04:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 01:04:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 01:04:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 01:04:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 01:04:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 01:04:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 01:04:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:04:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:32,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 01:04:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 01:04:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 01:04:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 01:04:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 01:04:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 01:04:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-20 01:04:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-20 01:04:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-20 01:04:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 01:04:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-20 01:04:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:04:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 01:04:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 01:04:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-20 01:04:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 01:04:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 01:04:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-20 01:04:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 01:04:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 01:04:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 01:04:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 01:04:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 01:04:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 01:04:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-20 01:04:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:04:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 01:04:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-20 01:04:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-20 01:04:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-20 01:04:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-20 01:04:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:04:33,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1303 backedges. 16 proven. 30 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-07-20 01:04:33,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:04:33,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727397853] [2022-07-20 01:04:33,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727397853] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 01:04:33,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146234139] [2022-07-20 01:04:33,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 01:04:33,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 01:04:33,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:04:33,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 01:04:33,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process