./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-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-43_2a-drivers--usb--class--cdc-acm.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 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:51:17,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:51:17,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:51:17,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:51:17,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:51:17,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:51:17,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:51:17,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:51:17,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:51:17,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:51:17,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:51:17,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:51:17,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:51:17,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:51:17,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:51:17,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:51:17,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:51:17,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:51:17,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:51:17,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:51:17,276 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:51:17,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:51:17,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:51:17,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:51:17,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:51:17,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:51:17,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:51:17,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:51:17,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:51:17,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:51:17,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:51:17,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:51:17,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:51:17,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:51:17,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:51:17,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:51:17,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:51:17,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:51:17,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:51:17,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:51:17,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:51:17,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:51:17,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:51:17,317 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:51:17,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:51:17,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:51:17,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:51:17,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:51:17,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:51:17,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:51:17,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:51:17,321 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:51:17,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:51:17,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:51:17,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:51:17,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:51:17,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:51:17,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:51:17,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:51:17,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:51:17,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:51:17,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:51:17,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:51:17,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:51:17,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:51:17,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:51:17,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:51:17,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:51:17,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:51:17,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:51:17,325 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:51:17,325 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:51:17,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:51:17,325 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2022-07-23 01:51:17,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:51:17,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:51:17,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:51:17,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:51:17,528 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:51:17,529 INFO L432 ainManager$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-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-07-23 01:51:17,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c7bb407/6b6d367d3c01493e831696849a046a98/FLAGf9bd64448 [2022-07-23 01:51:18,108 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:51:18,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-07-23 01:51:18,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c7bb407/6b6d367d3c01493e831696849a046a98/FLAGf9bd64448 [2022-07-23 01:51:18,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c7bb407/6b6d367d3c01493e831696849a046a98 [2022-07-23 01:51:18,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:51:18,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:51:18,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:51:18,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:51:18,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:51:18,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:51:18" (1/1) ... [2022-07-23 01:51:18,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64956499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:18, skipping insertion in model container [2022-07-23 01:51:18,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:51:18" (1/1) ... [2022-07-23 01:51:18,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:51:18,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:51:20,067 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-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2022-07-23 01:51:20,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:51:20,150 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:51:20,395 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-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2022-07-23 01:51:20,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:51:20,525 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:51:20,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20 WrapperNode [2022-07-23 01:51:20,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:51:20,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:51:20,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:51:20,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:51:20,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:20,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:20,836 INFO L137 Inliner]: procedures = 286, calls = 3678, calls flagged for inlining = 140, calls inlined = 119, statements flattened = 7871 [2022-07-23 01:51:20,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:51:20,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:51:20,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:51:20,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:51:20,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:20,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:20,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:20,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:21,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:21,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:21,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:21,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:51:21,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:51:21,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:51:21,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:51:21,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (1/1) ... [2022-07-23 01:51:21,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:51:21,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:51:21,192 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) [2022-07-23 01:51:21,210 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 [2022-07-23 01:51:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2022-07-23 01:51:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2022-07-23 01:51:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2022-07-23 01:51:21,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2022-07-23 01:51:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-23 01:51:21,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-23 01:51:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-23 01:51:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-23 01:51:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:51:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:51:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:51:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:51:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:51:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:51:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-23 01:51:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-23 01:51:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2022-07-23 01:51:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2022-07-23 01:51:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-23 01:51:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-23 01:51:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 01:51:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 01:51:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:51:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:51:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:51:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:51:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-23 01:51:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-23 01:51:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-23 01:51:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-23 01:51:21,224 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2022-07-23 01:51:21,224 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2022-07-23 01:51:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:51:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:51:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-23 01:51:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-23 01:51:21,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:51:21,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:51:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-23 01:51:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-23 01:51:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-07-23 01:51:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-07-23 01:51:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:51:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:51:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:51:21,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:51:21,226 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 01:51:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 01:51:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2022-07-23 01:51:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2022-07-23 01:51:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2022-07-23 01:51:21,227 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2022-07-23 01:51:21,227 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2022-07-23 01:51:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2022-07-23 01:51:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:51:21,228 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:51:21,228 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:51:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 01:51:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2022-07-23 01:51:21,229 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2022-07-23 01:51:21,229 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-07-23 01:51:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-07-23 01:51:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:51:21,230 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2022-07-23 01:51:21,230 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2022-07-23 01:51:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-07-23 01:51:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-07-23 01:51:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:51:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:51:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:51:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:51:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 01:51:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 01:51:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2022-07-23 01:51:21,232 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2022-07-23 01:51:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:51:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:51:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-23 01:51:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-23 01:51:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-07-23 01:51:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-07-23 01:51:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:51:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:51:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 01:51:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 01:51:21,233 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2022-07-23 01:51:21,233 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2022-07-23 01:51:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-23 01:51:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-23 01:51:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2022-07-23 01:51:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2022-07-23 01:51:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-07-23 01:51:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-07-23 01:51:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2022-07-23 01:51:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2022-07-23 01:51:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 01:51:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2022-07-23 01:51:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2022-07-23 01:51:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 01:51:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 01:51:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 01:51:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-23 01:51:21,236 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-23 01:51:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:51:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2022-07-23 01:51:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2022-07-23 01:51:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-23 01:51:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-23 01:51:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:51:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:51:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 01:51:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 01:51:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2022-07-23 01:51:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2022-07-23 01:51:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2022-07-23 01:51:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2022-07-23 01:51:21,238 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 01:51:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 01:51:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 01:51:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 01:51:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:51:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:51:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2022-07-23 01:51:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2022-07-23 01:51:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2022-07-23 01:51:21,242 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2022-07-23 01:51:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-23 01:51:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-23 01:51:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:51:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:51:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:51:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2022-07-23 01:51:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2022-07-23 01:51:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 01:51:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 01:51:21,247 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2022-07-23 01:51:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2022-07-23 01:51:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2022-07-23 01:51:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2022-07-23 01:51:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2022-07-23 01:51:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2022-07-23 01:51:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 01:51:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 01:51:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:51:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:51:21,248 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-23 01:51:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-23 01:51:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-23 01:51:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-23 01:51:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2022-07-23 01:51:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2022-07-23 01:51:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:51:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:51:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:51:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:51:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:51:21,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:51:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:51:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 01:51:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-23 01:51:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-23 01:51:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2022-07-23 01:51:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2022-07-23 01:51:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 01:51:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 01:51:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 01:51:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 01:51:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2022-07-23 01:51:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2022-07-23 01:51:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2022-07-23 01:51:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2022-07-23 01:51:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2022-07-23 01:51:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2022-07-23 01:51:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2022-07-23 01:51:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2022-07-23 01:51:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 01:51:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 01:51:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 01:51:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 01:51:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:51:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-23 01:51:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-23 01:51:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-07-23 01:51:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-07-23 01:51:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2022-07-23 01:51:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2022-07-23 01:51:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:51:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:51:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-07-23 01:51:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-07-23 01:51:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:51:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:51:21,882 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:51:21,886 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:51:22,039 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:51:33,615 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:51:33,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:51:33,644 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:51:33,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:51:33 BoogieIcfgContainer [2022-07-23 01:51:33,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:51:33,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:51:33,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:51:33,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:51:33,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:51:18" (1/3) ... [2022-07-23 01:51:33,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8ac640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:51:33, skipping insertion in model container [2022-07-23 01:51:33,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:51:20" (2/3) ... [2022-07-23 01:51:33,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8ac640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:51:33, skipping insertion in model container [2022-07-23 01:51:33,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:51:33" (3/3) ... [2022-07-23 01:51:33,654 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-07-23 01:51:33,664 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:51:33,664 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:51:33,714 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:51:33,722 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@544b07fa, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7bac7b64 [2022-07-23 01:51:33,722 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:51:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 1540 states, 1110 states have (on average 1.3513513513513513) internal successors, (1500), 1126 states have internal predecessors, (1500), 343 states have call successors, (343), 86 states have call predecessors, (343), 85 states have return successors, (334), 334 states have call predecessors, (334), 334 states have call successors, (334) [2022-07-23 01:51:33,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-23 01:51:33,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:51:33,760 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:51:33,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:51:33,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:51:33,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1903586400, now seen corresponding path program 1 times [2022-07-23 01:51:33,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:51:33,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970319800] [2022-07-23 01:51:33,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:51:33,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:51:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:51:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:51:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:51:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:51:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:51:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:51:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:51:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:51:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:51:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:51:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:51:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:51:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:51:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:51:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:51:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:51:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:51:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:51:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:51:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:51:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:51:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:51:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 01:51:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-23 01:51:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 01:51:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 01:51:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:35,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1526 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2022-07-23 01:51:35,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:51:35,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970319800] [2022-07-23 01:51:35,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970319800] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:51:35,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:51:35,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:51:35,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186735383] [2022-07-23 01:51:35,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:51:35,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:51:35,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:51:35,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:51:35,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:51:35,123 INFO L87 Difference]: Start difference. First operand has 1540 states, 1110 states have (on average 1.3513513513513513) internal successors, (1500), 1126 states have internal predecessors, (1500), 343 states have call successors, (343), 86 states have call predecessors, (343), 85 states have return successors, (334), 334 states have call predecessors, (334), 334 states have call successors, (334) Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-23 01:51:40,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:51:42,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:51:44,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:51:49,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:51:51,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:51:53,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:51:55,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:51:57,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:51:57,588 INFO L93 Difference]: Finished difference Result 3126 states and 4524 transitions. [2022-07-23 01:51:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 01:51:57,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (31), 5 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 354 [2022-07-23 01:51:57,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:51:57,620 INFO L225 Difference]: With dead ends: 3126 [2022-07-23 01:51:57,620 INFO L226 Difference]: Without dead ends: 1568 [2022-07-23 01:51:57,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:51:57,637 INFO L413 NwaCegarLoop]: 2057 mSDtfsCounter, 584 mSDsluCounter, 3118 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 762 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 5175 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:51:57,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 5175 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 1568 Invalid, 7 Unknown, 0 Unchecked, 22.2s Time] [2022-07-23 01:51:57,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2022-07-23 01:51:57,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1517. [2022-07-23 01:51:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1100 states have (on average 1.3363636363636364) internal successors, (1470), 1105 states have internal predecessors, (1470), 332 states have call successors, (332), 85 states have call predecessors, (332), 84 states have return successors, (331), 331 states have call predecessors, (331), 331 states have call successors, (331) [2022-07-23 01:51:57,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2133 transitions. [2022-07-23 01:51:57,766 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2133 transitions. Word has length 354 [2022-07-23 01:51:57,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:51:57,768 INFO L495 AbstractCegarLoop]: Abstraction has 1517 states and 2133 transitions. [2022-07-23 01:51:57,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-23 01:51:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2133 transitions. [2022-07-23 01:51:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-23 01:51:57,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:51:57,777 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:51:57,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:51:57,778 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:51:57,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:51:57,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2104755332, now seen corresponding path program 1 times [2022-07-23 01:51:57,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:51:57,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572116510] [2022-07-23 01:51:57,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:51:57,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:51:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:51:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:51:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:51:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:51:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:51:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:51:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:51:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:51:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:51:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:51:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:51:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:51:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:51:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:51:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:51:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:51:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:51:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:51:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:51:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:51:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:51:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:51:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:51:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:51:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 01:51:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-23 01:51:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 01:51:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 01:51:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:51:58,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1526 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2022-07-23 01:51:58,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:51:58,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572116510] [2022-07-23 01:51:58,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572116510] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:51:58,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:51:58,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:51:58,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637089892] [2022-07-23 01:51:58,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:51:58,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:51:58,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:51:58,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:51:58,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:51:58,750 INFO L87 Difference]: Start difference. First operand 1517 states and 2133 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-23 01:52:00,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:01,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:05,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:09,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:13,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:52:13,132 INFO L93 Difference]: Finished difference Result 4425 states and 6258 transitions. [2022-07-23 01:52:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:52:13,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 354 [2022-07-23 01:52:13,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:52:13,151 INFO L225 Difference]: With dead ends: 4425 [2022-07-23 01:52:13,151 INFO L226 Difference]: Without dead ends: 2961 [2022-07-23 01:52:13,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:52:13,159 INFO L413 NwaCegarLoop]: 2262 mSDtfsCounter, 2814 mSDsluCounter, 3650 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 1503 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3046 SdHoareTripleChecker+Valid, 5912 SdHoareTripleChecker+Invalid, 3638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1503 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:52:13,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3046 Valid, 5912 Invalid, 3638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1503 Valid, 2133 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2022-07-23 01:52:13,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2022-07-23 01:52:13,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2857. [2022-07-23 01:52:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2857 states, 2083 states have (on average 1.3403744599135863) internal successors, (2792), 2094 states have internal predecessors, (2792), 607 states have call successors, (607), 167 states have call predecessors, (607), 166 states have return successors, (606), 605 states have call predecessors, (606), 606 states have call successors, (606) [2022-07-23 01:52:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 4005 transitions. [2022-07-23 01:52:13,281 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 4005 transitions. Word has length 354 [2022-07-23 01:52:13,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:52:13,284 INFO L495 AbstractCegarLoop]: Abstraction has 2857 states and 4005 transitions. [2022-07-23 01:52:13,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-23 01:52:13,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 4005 transitions. [2022-07-23 01:52:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-23 01:52:13,290 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:52:13,290 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:52:13,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:52:13,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:52:13,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:52:13,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1001625361, now seen corresponding path program 1 times [2022-07-23 01:52:13,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:52:13,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540384545] [2022-07-23 01:52:13,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:52:13,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:52:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:52:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:52:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:52:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:52:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:52:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:52:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:52:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:52:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:52:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:52:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:52:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:52:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:52:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:52:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:52:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:52:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:52:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:52:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:52:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:52:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:52:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:52:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 01:52:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 01:52:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1526 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2022-07-23 01:52:14,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:52:14,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540384545] [2022-07-23 01:52:14,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540384545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:52:14,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:52:14,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:52:14,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880621870] [2022-07-23 01:52:14,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:52:14,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:52:14,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:52:14,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:52:14,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:52:14,352 INFO L87 Difference]: Start difference. First operand 2857 states and 4005 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 01:52:15,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:17,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:19,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:23,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:27,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:29,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:52:29,349 INFO L93 Difference]: Finished difference Result 7704 states and 10817 transitions. [2022-07-23 01:52:29,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 01:52:29,350 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 354 [2022-07-23 01:52:29,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:52:29,368 INFO L225 Difference]: With dead ends: 7704 [2022-07-23 01:52:29,368 INFO L226 Difference]: Without dead ends: 4900 [2022-07-23 01:52:29,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-07-23 01:52:29,375 INFO L413 NwaCegarLoop]: 2359 mSDtfsCounter, 3172 mSDsluCounter, 2828 mSDsCounter, 0 mSdLazyCounter, 2826 mSolverCounterSat, 2597 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 5187 SdHoareTripleChecker+Invalid, 5426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2597 IncrementalHoareTripleChecker+Valid, 2826 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-07-23 01:52:29,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 5187 Invalid, 5426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2597 Valid, 2826 Invalid, 3 Unknown, 0 Unchecked, 14.7s Time] [2022-07-23 01:52:29,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4900 states. [2022-07-23 01:52:29,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4900 to 4735. [2022-07-23 01:52:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4735 states, 3435 states have (on average 1.3283842794759826) internal successors, (4563), 3454 states have internal predecessors, (4563), 1006 states have call successors, (1006), 294 states have call predecessors, (1006), 293 states have return successors, (1005), 1004 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-23 01:52:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 4735 states and 6574 transitions. [2022-07-23 01:52:29,481 INFO L78 Accepts]: Start accepts. Automaton has 4735 states and 6574 transitions. Word has length 354 [2022-07-23 01:52:29,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:52:29,482 INFO L495 AbstractCegarLoop]: Abstraction has 4735 states and 6574 transitions. [2022-07-23 01:52:29,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 01:52:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 6574 transitions. [2022-07-23 01:52:29,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-23 01:52:29,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:52:29,486 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-23 01:52:29,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 01:52:29,486 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:52:29,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:52:29,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2000818191, now seen corresponding path program 1 times [2022-07-23 01:52:29,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:52:29,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75892451] [2022-07-23 01:52:29,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:52:29,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:52:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:52:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:52:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:52:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:52:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:52:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:52:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:52:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:52:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:52:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:52:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:52:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:52:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:52:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:52:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:52:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:52:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:52:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:52:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:52:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:52:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:52:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:52:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 01:52:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 01:52:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 01:52:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-23 01:52:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-23 01:52:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:30,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1533 trivial. 0 not checked. [2022-07-23 01:52:30,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:52:30,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75892451] [2022-07-23 01:52:30,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75892451] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:52:30,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:52:30,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:52:30,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816052626] [2022-07-23 01:52:30,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:52:30,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:52:30,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:52:30,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:52:30,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:52:30,284 INFO L87 Difference]: Start difference. First operand 4735 states and 6574 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 01:52:31,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:34,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:37,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:42,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:44,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:46,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:52:46,075 INFO L93 Difference]: Finished difference Result 11807 states and 16459 transitions. [2022-07-23 01:52:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 01:52:46,076 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 367 [2022-07-23 01:52:46,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:52:46,108 INFO L225 Difference]: With dead ends: 11807 [2022-07-23 01:52:46,108 INFO L226 Difference]: Without dead ends: 7125 [2022-07-23 01:52:46,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-07-23 01:52:46,122 INFO L413 NwaCegarLoop]: 2076 mSDtfsCounter, 3564 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 2549 mSolverCounterSat, 2584 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3751 SdHoareTripleChecker+Valid, 4835 SdHoareTripleChecker+Invalid, 5137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2584 IncrementalHoareTripleChecker+Valid, 2549 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:52:46,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3751 Valid, 4835 Invalid, 5137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2584 Valid, 2549 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2022-07-23 01:52:46,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7125 states. [2022-07-23 01:52:46,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7125 to 6836. [2022-07-23 01:52:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6836 states, 5031 states have (on average 1.3390975949115485) internal successors, (6737), 5055 states have internal predecessors, (6737), 1365 states have call successors, (1365), 440 states have call predecessors, (1365), 439 states have return successors, (1364), 1362 states have call predecessors, (1364), 1364 states have call successors, (1364) [2022-07-23 01:52:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6836 states to 6836 states and 9466 transitions. [2022-07-23 01:52:46,455 INFO L78 Accepts]: Start accepts. Automaton has 6836 states and 9466 transitions. Word has length 367 [2022-07-23 01:52:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:52:46,455 INFO L495 AbstractCegarLoop]: Abstraction has 6836 states and 9466 transitions. [2022-07-23 01:52:46,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 01:52:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 6836 states and 9466 transitions. [2022-07-23 01:52:46,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-07-23 01:52:46,463 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:52:46,463 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-23 01:52:46,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 01:52:46,464 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:52:46,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:52:46,464 INFO L85 PathProgramCache]: Analyzing trace with hash -903360242, now seen corresponding path program 1 times [2022-07-23 01:52:46,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:52:46,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493522827] [2022-07-23 01:52:46,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:52:46,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:52:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:52:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:52:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:52:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:52:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:52:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:52:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:52:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:52:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:52:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:52:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:52:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:52:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:52:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:52:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:52:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:52:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:52:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:52:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:52:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:52:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:52:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:52:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:52:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 01:52:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 01:52:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:52:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 01:52:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 01:52:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-23 01:52:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 01:52:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:52:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-23 01:52:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:52:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1729 trivial. 0 not checked. [2022-07-23 01:52:47,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:52:47,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493522827] [2022-07-23 01:52:47,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493522827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:52:47,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:52:47,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 01:52:47,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137441360] [2022-07-23 01:52:47,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:52:47,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 01:52:47,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:52:47,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 01:52:47,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:52:47,292 INFO L87 Difference]: Start difference. First operand 6836 states and 9466 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:52:48,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:54,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:56,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:52:59,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:01,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:08,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:10,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:53:15,322 INFO L93 Difference]: Finished difference Result 17026 states and 24457 transitions. [2022-07-23 01:53:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:53:15,323 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 425 [2022-07-23 01:53:15,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:53:15,418 INFO L225 Difference]: With dead ends: 17026 [2022-07-23 01:53:15,418 INFO L226 Difference]: Without dead ends: 10257 [2022-07-23 01:53:15,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-07-23 01:53:15,440 INFO L413 NwaCegarLoop]: 2388 mSDtfsCounter, 4335 mSDsluCounter, 5740 mSDsCounter, 0 mSdLazyCounter, 4662 mSolverCounterSat, 2896 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4598 SdHoareTripleChecker+Valid, 8128 SdHoareTripleChecker+Invalid, 7564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2896 IncrementalHoareTripleChecker+Valid, 4662 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2022-07-23 01:53:15,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4598 Valid, 8128 Invalid, 7564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2896 Valid, 4662 Invalid, 6 Unknown, 0 Unchecked, 27.5s Time] [2022-07-23 01:53:15,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10257 states. [2022-07-23 01:53:15,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10257 to 6782. [2022-07-23 01:53:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6782 states, 4991 states have (on average 1.3398116609897817) internal successors, (6687), 5017 states have internal predecessors, (6687), 1357 states have call successors, (1357), 434 states have call predecessors, (1357), 433 states have return successors, (1356), 1352 states have call predecessors, (1356), 1356 states have call successors, (1356) [2022-07-23 01:53:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 9400 transitions. [2022-07-23 01:53:15,820 INFO L78 Accepts]: Start accepts. Automaton has 6782 states and 9400 transitions. Word has length 425 [2022-07-23 01:53:15,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:53:15,821 INFO L495 AbstractCegarLoop]: Abstraction has 6782 states and 9400 transitions. [2022-07-23 01:53:15,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:53:15,821 INFO L276 IsEmpty]: Start isEmpty. Operand 6782 states and 9400 transitions. [2022-07-23 01:53:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-23 01:53:15,827 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:53:15,827 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-23 01:53:15,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 01:53:15,828 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:53:15,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:53:15,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2140891056, now seen corresponding path program 1 times [2022-07-23 01:53:15,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:53:15,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761923485] [2022-07-23 01:53:15,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:53:15,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:53:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:53:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:53:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:53:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:53:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:53:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:53:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:53:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:53:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:53:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:53:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:53:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:53:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:53:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:53:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:53:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:53:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:53:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:53:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:53:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:53:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:53:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:53:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:53:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 01:53:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 01:53:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 01:53:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 01:53:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 01:53:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 01:53:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-23 01:53:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-23 01:53:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1943 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1936 trivial. 0 not checked. [2022-07-23 01:53:16,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:53:16,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761923485] [2022-07-23 01:53:16,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761923485] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:53:16,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:53:16,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 01:53:16,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978857837] [2022-07-23 01:53:16,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:53:16,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 01:53:16,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:53:16,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 01:53:16,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:53:16,989 INFO L87 Difference]: Start difference. First operand 6782 states and 9400 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:53:18,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:20,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:22,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:23,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:26,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:28,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:31,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:36,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:38,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:41,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:53:41,270 INFO L93 Difference]: Finished difference Result 13831 states and 19283 transitions. [2022-07-23 01:53:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:53:41,271 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 429 [2022-07-23 01:53:41,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:53:41,337 INFO L225 Difference]: With dead ends: 13831 [2022-07-23 01:53:41,338 INFO L226 Difference]: Without dead ends: 7108 [2022-07-23 01:53:41,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-23 01:53:41,360 INFO L413 NwaCegarLoop]: 2011 mSDtfsCounter, 702 mSDsluCounter, 6049 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 809 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 8060 SdHoareTripleChecker+Invalid, 3704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 809 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:53:41,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 8060 Invalid, 3704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [809 Valid, 2890 Invalid, 5 Unknown, 0 Unchecked, 24.0s Time] [2022-07-23 01:53:41,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7108 states. [2022-07-23 01:53:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7108 to 6782. [2022-07-23 01:53:41,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6782 states, 4991 states have (on average 1.3382087757964336) internal successors, (6679), 5017 states have internal predecessors, (6679), 1357 states have call successors, (1357), 434 states have call predecessors, (1357), 433 states have return successors, (1356), 1352 states have call predecessors, (1356), 1356 states have call successors, (1356) [2022-07-23 01:53:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 9392 transitions. [2022-07-23 01:53:41,590 INFO L78 Accepts]: Start accepts. Automaton has 6782 states and 9392 transitions. Word has length 429 [2022-07-23 01:53:41,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:53:41,591 INFO L495 AbstractCegarLoop]: Abstraction has 6782 states and 9392 transitions. [2022-07-23 01:53:41,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:53:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 6782 states and 9392 transitions. [2022-07-23 01:53:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-07-23 01:53:41,599 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:53:41,601 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-23 01:53:41,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 01:53:41,602 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:53:41,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:53:41,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1806317194, now seen corresponding path program 1 times [2022-07-23 01:53:41,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:53:41,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120297447] [2022-07-23 01:53:41,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:53:41,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:53:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:53:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:53:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:53:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:53:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:53:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:53:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:53:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:53:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:53:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:53:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:53:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:53:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:53:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:53:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:53:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:53:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:53:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:53:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:53:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:53:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:53:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:53:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:53:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 01:53:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 01:53:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 01:53:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 01:53:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 01:53:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:53:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:53:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 01:53:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-23 01:53:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 01:53:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-23 01:53:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:53:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1943 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1943 trivial. 0 not checked. [2022-07-23 01:53:42,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:53:42,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120297447] [2022-07-23 01:53:42,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120297447] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:53:42,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:53:42,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 01:53:42,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200991429] [2022-07-23 01:53:42,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:53:42,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 01:53:42,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:53:42,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 01:53:42,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 01:53:42,677 INFO L87 Difference]: Start difference. First operand 6782 states and 9392 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 01:53:44,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:46,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:47,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:50,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:52,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:53:54,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:01,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:03,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:05,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:08,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:54:08,878 INFO L93 Difference]: Finished difference Result 7365 states and 10228 transitions. [2022-07-23 01:54:08,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 01:54:08,878 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 437 [2022-07-23 01:54:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:54:08,897 INFO L225 Difference]: With dead ends: 7365 [2022-07-23 01:54:08,897 INFO L226 Difference]: Without dead ends: 7362 [2022-07-23 01:54:08,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-23 01:54:08,900 INFO L413 NwaCegarLoop]: 2022 mSDtfsCounter, 2355 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 2286 mSolverCounterSat, 969 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 SdHoareTripleChecker+Valid, 6083 SdHoareTripleChecker+Invalid, 3261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 969 IncrementalHoareTripleChecker+Valid, 2286 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:54:08,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2583 Valid, 6083 Invalid, 3261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [969 Valid, 2286 Invalid, 6 Unknown, 0 Unchecked, 25.9s Time] [2022-07-23 01:54:08,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7362 states. [2022-07-23 01:54:09,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7362 to 7006. [2022-07-23 01:54:09,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7006 states, 5144 states have (on average 1.3332037325038881) internal successors, (6858), 5170 states have internal predecessors, (6858), 1384 states have call successors, (1384), 478 states have call predecessors, (1384), 477 states have return successors, (1383), 1379 states have call predecessors, (1383), 1383 states have call successors, (1383) [2022-07-23 01:54:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7006 states to 7006 states and 9625 transitions. [2022-07-23 01:54:09,086 INFO L78 Accepts]: Start accepts. Automaton has 7006 states and 9625 transitions. Word has length 437 [2022-07-23 01:54:09,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:54:09,087 INFO L495 AbstractCegarLoop]: Abstraction has 7006 states and 9625 transitions. [2022-07-23 01:54:09,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-23 01:54:09,087 INFO L276 IsEmpty]: Start isEmpty. Operand 7006 states and 9625 transitions. [2022-07-23 01:54:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-07-23 01:54:09,094 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:54:09,094 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-23 01:54:09,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 01:54:09,094 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:54:09,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:54:09,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1385520131, now seen corresponding path program 1 times [2022-07-23 01:54:09,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:54:09,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358933038] [2022-07-23 01:54:09,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:54:09,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:54:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:54:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:54:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:54:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:54:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:54:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:54:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:54:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:54:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:54:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:54:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:54:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:54:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:54:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:54:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:54:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:54:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:54:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:54:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:54:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:54:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:54:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:54:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:54:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 01:54:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 01:54:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 01:54:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 01:54:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 01:54:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-23 01:54:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 01:54:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:10,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1941 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1936 trivial. 0 not checked. [2022-07-23 01:54:10,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:54:10,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358933038] [2022-07-23 01:54:10,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358933038] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:54:10,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:54:10,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 01:54:10,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017252273] [2022-07-23 01:54:10,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:54:10,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 01:54:10,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:54:10,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 01:54:10,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:54:10,194 INFO L87 Difference]: Start difference. First operand 7006 states and 9625 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (37), 7 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:54:11,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:13,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:15,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:16,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:18,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:20,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:22,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:26,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:28,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:35,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:37,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:43,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:54:43,731 INFO L93 Difference]: Finished difference Result 18659 states and 25773 transitions. [2022-07-23 01:54:43,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 01:54:43,731 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (37), 7 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 437 [2022-07-23 01:54:43,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:54:43,763 INFO L225 Difference]: With dead ends: 18659 [2022-07-23 01:54:43,763 INFO L226 Difference]: Without dead ends: 11720 [2022-07-23 01:54:43,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2022-07-23 01:54:43,781 INFO L413 NwaCegarLoop]: 2680 mSDtfsCounter, 3662 mSDsluCounter, 6271 mSDsCounter, 0 mSdLazyCounter, 6372 mSolverCounterSat, 2246 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3931 SdHoareTripleChecker+Valid, 8951 SdHoareTripleChecker+Invalid, 8624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2246 IncrementalHoareTripleChecker+Valid, 6372 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:54:43,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3931 Valid, 8951 Invalid, 8624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2246 Valid, 6372 Invalid, 6 Unknown, 0 Unchecked, 33.0s Time] [2022-07-23 01:54:43,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11720 states. [2022-07-23 01:54:44,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11720 to 11005. [2022-07-23 01:54:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11005 states, 8154 states have (on average 1.3313711062055433) internal successors, (10856), 8194 states have internal predecessors, (10856), 2098 states have call successors, (2098), 753 states have call predecessors, (2098), 752 states have return successors, (2097), 2091 states have call predecessors, (2097), 2097 states have call successors, (2097) [2022-07-23 01:54:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11005 states to 11005 states and 15051 transitions. [2022-07-23 01:54:44,067 INFO L78 Accepts]: Start accepts. Automaton has 11005 states and 15051 transitions. Word has length 437 [2022-07-23 01:54:44,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:54:44,068 INFO L495 AbstractCegarLoop]: Abstraction has 11005 states and 15051 transitions. [2022-07-23 01:54:44,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (37), 7 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 01:54:44,068 INFO L276 IsEmpty]: Start isEmpty. Operand 11005 states and 15051 transitions. [2022-07-23 01:54:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-07-23 01:54:44,078 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:54:44,079 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-23 01:54:44,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 01:54:44,079 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:54:44,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:54:44,079 INFO L85 PathProgramCache]: Analyzing trace with hash -662440301, now seen corresponding path program 1 times [2022-07-23 01:54:44,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:54:44,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825689396] [2022-07-23 01:54:44,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:54:44,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:54:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:54:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:54:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:54:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:54:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:54:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:54:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:54:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:54:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:54:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:54:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:54:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:54:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:54:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:54:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:54:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:54:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:54:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:54:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:54:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:54:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:54:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:54:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:54:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 01:54:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 01:54:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 01:54:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-23 01:54:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 01:54:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:54:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 01:54:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-23 01:54:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-23 01:54:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-23 01:54:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:54:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-23 01:54:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:54:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2170 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2167 trivial. 0 not checked. [2022-07-23 01:54:44,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:54:44,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825689396] [2022-07-23 01:54:44,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825689396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:54:44,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:54:44,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 01:54:44,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277226575] [2022-07-23 01:54:44,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:54:44,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 01:54:44,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:54:44,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 01:54:44,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:54:44,877 INFO L87 Difference]: Start difference. First operand 11005 states and 15051 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-23 01:54:52,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:54,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:54:56,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:04,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:06,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:10,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:12,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:14,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:17,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:19,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:24,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:26,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:55:29,794 INFO L93 Difference]: Finished difference Result 26571 states and 36384 transitions. [2022-07-23 01:55:29,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 01:55:29,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 465 [2022-07-23 01:55:29,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:55:29,923 INFO L225 Difference]: With dead ends: 26571 [2022-07-23 01:55:29,923 INFO L226 Difference]: Without dead ends: 15633 [2022-07-23 01:55:29,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2022-07-23 01:55:29,951 INFO L413 NwaCegarLoop]: 3044 mSDtfsCounter, 2725 mSDsluCounter, 6638 mSDsCounter, 0 mSdLazyCounter, 6167 mSolverCounterSat, 1585 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3005 SdHoareTripleChecker+Valid, 9682 SdHoareTripleChecker+Invalid, 7764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1585 IncrementalHoareTripleChecker+Valid, 6167 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:55:29,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3005 Valid, 9682 Invalid, 7764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1585 Valid, 6167 Invalid, 12 Unknown, 0 Unchecked, 44.2s Time] [2022-07-23 01:55:29,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15633 states. [2022-07-23 01:55:30,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15633 to 14715. [2022-07-23 01:55:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14715 states, 11005 states have (on average 1.3333939118582463) internal successors, (14674), 11052 states have internal predecessors, (14674), 2672 states have call successors, (2672), 1038 states have call predecessors, (2672), 1037 states have return successors, (2671), 2664 states have call predecessors, (2671), 2671 states have call successors, (2671) [2022-07-23 01:55:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14715 states to 14715 states and 20017 transitions. [2022-07-23 01:55:30,400 INFO L78 Accepts]: Start accepts. Automaton has 14715 states and 20017 transitions. Word has length 465 [2022-07-23 01:55:30,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:55:30,400 INFO L495 AbstractCegarLoop]: Abstraction has 14715 states and 20017 transitions. [2022-07-23 01:55:30,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (41), 7 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-23 01:55:30,401 INFO L276 IsEmpty]: Start isEmpty. Operand 14715 states and 20017 transitions. [2022-07-23 01:55:30,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-07-23 01:55:30,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:55:30,414 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:55:30,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 01:55:30,415 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:55:30,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:55:30,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1138428322, now seen corresponding path program 1 times [2022-07-23 01:55:30,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:55:30,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298480694] [2022-07-23 01:55:30,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:55:30,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:55:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:55:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:55:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:55:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:55:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:55:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:55:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:55:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:55:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 01:55:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:55:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 01:55:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 01:55:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 01:55:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 01:55:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 01:55:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 01:55:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:55:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 01:55:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 01:55:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:55:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 01:55:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 01:55:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 01:55:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 01:55:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 01:55:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 01:55:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 01:55:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 01:55:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:55:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:55:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-23 01:55:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 01:55:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-23 01:55:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:55:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1943 trivial. 0 not checked. [2022-07-23 01:55:31,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:55:31,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298480694] [2022-07-23 01:55:31,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298480694] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:55:31,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:55:31,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 01:55:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994733019] [2022-07-23 01:55:31,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:55:31,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 01:55:31,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:55:31,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 01:55:31,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:55:31,575 INFO L87 Difference]: Start difference. First operand 14715 states and 20017 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-23 01:55:32,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:34,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:35,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:55:38,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []